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    • 专利摘要:
    agitator to stabilize unfinished liquid agglutination products intended to form ceramic items. an agitator (1; 100) to stabilize unfinished products of liquid agglutination intended to form ceramic items comprising a support axis (2) individualizing a longitudinal rotation axis (y) and contained in an agitation tank (v) of the unfinished product of liquid agglutination, motor means (3) operatively connected to the support axis (2), to rotate it around the longitudinal axis (y), and a main operating blade (4), coupled to the support axis (2 ) through interconnection means (5), in such a way as to be contained in the agitation tank (v) to interfere in the unfinished liquid agglutination product and cause its continuous mechanical agitation action inside the agitation tank itself (v), when the support axis (2) rotates about the longitudinal axis (y). in this case, the agitator (1) includes a thermoregulation circuit (6), which extends inside the support shaft (2) and inside the main operating blade (4) and is connected to an external source to supply a heat transfer that passes through the thermoregulation circuit (6) in such a way as to exchange heat with the unfinished liquid agglutination product inside the agitation tank (v), to bring it to a predetermined temperature, while the support axis (2 ) and the main operating blade (4) integral with it rotate around the longitudinal axis (y).
    公开号:BR112014030421B1
    申请号:R112014030421-1
    申请日:2013-05-23
    公开日:2021-04-06
    发明作者:Andrea Pozzan；Leonardo Pozzan；Pietro Posenato
    申请人:Cer Group S.R.L.；
    IPC主号:
    专利说明:

    [0001] - uma mistura principalmente composta de água e argilas, mais propriamente viscosa e com consistência cremosa (mais comumente conhecida no jargão pelo termo pasta), feita para moldar ou formar artigos de cerâmica tais como artigos sanitários, ladrilhos, pratos, itens e materiais decorativos, entre outros; - uma mistura principalmente composta por água, caulim e feldspato, mais propriamente viscosa e com consistência cremosa (mais comumente conhecida no jargão pelo termo esmalte cerâmico), feita para revestir por aspersão artigos cerâmicos, por exemplo, artigos sanitários, ladrilhos, pratos, itens e materiais decorativos, entre outros. [001] The present invention relates to an agitator to stabilize unfinished products of liquid agglutination, such as typically and illustratively: - a mixture mainly composed of water and clays, more properly viscous and with a creamy consistency (more commonly known in jargon by the term paste), made to mold or form ceramic articles such as sanitary articles, tiles, dishes, items and decorative materials, between others; - a mixture mainly composed of water, kaolin and feldspar, more properly viscous and with a creamy consistency (more commonly known in jargon by the term ceramic enamel), made to sprinkle ceramic articles, for example, sanitary articles, tiles, dishes, items and decorative materials, among others.
    [0002] [002] Such unfinished liquid agglutination products are first subjected to preliminary thermoregulation processing in a usual octagonal or cylindrical agitation tank, made, for example, of stainless metal, to which the agitator of the present invention is properly and operatively associated.
    [0003] [003] It should be noted immediately that in the present description that the term thermoregulation (or conditioning) is intended to comprise any operation of heat treatment of the unfinished product of liquid agglutination, such as heating (temperatures typically in the range of 30 to 40ºC), or cooling (typically to a temperature below room temperature) of the latter, depending on the processing to be done downstream of the operation that is performed in the stirring tank using the stabilizing stirrer of the invention.
    [0004] [004] It should also be noted that in the present invention the term "stabilization" indicates the effect resulting from the combination of the stirring process and the thermoregulation treatment that the stirrer of the present invention conducts on the unfinished liquid agglutination product.
    [0005] [005] As known, the production of ceramic articles, such as toilet bowls for bathrooms, provides, among numerous operational steps, the operation of stabilizing an unfinished product of liquid agglutination, properly prepared in the chosen dose and composition, where "stabilization" means the thermomechanical treatment with which the unfinished product of liquid agglutination reaches the conditions of consistency and projected and desired temperatures.
    [0006] [006] According to the state of the art, the stabilization operation takes place in special stirring tanks (or basins) - having a capacity varying from relatively low values (for example, 5m³) to more much more significant values (even higher than 75m³) and an octagonal or cylindrical shape - through the use of stirring devices (commonly called stirrers) coupled to the stirring tank on its closing lid.
    [0007] [007] A known traditional agitator, such as that of document CA 2506286 A1, includes a support axis defining an axis of longitudinal rotation and, essentially, inserted in the agitation tank of the unfinished liquid agglutination product, as well as means of operatively motorization connected to the support axis to rotate it around said longitudinal axis.
    [0008] [008] A common state-of-the-art stirrer also comprises a main operating blade coupled via interconnection means to the support shaft in such a way that, under application conditions, the main operating blade itself is contained in the stirring tank for interfere in the unfinished product of liquid agglutination and cause a continuous mechanical agitation action of the same, when the support axis rotates around such longitudinal axis.
    [0009] [009] The modern state-of-the-art stirrer thus described in its essential characteristics, when operating in combination with a stirring tank, therefore, allows the unfinished liquid agglutination product to be subjected to a useful mechanical stirring action in the stirring tank. to give the unfinished liquid agglutination product the desired consistency and density.
    [0010] [010] Obviously, such a mechanical stirring action, produced by the rotation of the operating blade around the longitudinal axis of the support axis, is not in itself capable of conferring the necessary physico-chemical properties for the unfinished product of liquid agglutination, suitable for subsequent work steps, since such an unfinished liquid agglutination product must also reach its own predefined temperature at the end of the stabilization phase in the stirring tank.
    [0011] [011] For this purpose, the technique of the sector concerned provides the use of means of thermoregulation, cooperating closely with the unfinished liquid agglutination product contained in the stirring tank.
    [0012] [012] Traditionally and conventionally, the thermoregulation means comprise a classic coil, crossed with heat exchanger fluid (usually water) and directly coupled to the stirring tank: in some construction solutions, the coil is fixed to the interior side wall of the water tank. stirring, while, in other construction solutions, the coil is fixed to the inner bottom of the stirring tank.
    [0013] [013] In this way, it is possible to intervene, still in the stabilization phase in the stirring tank, at the temperature of the unfinished liquid agglutination product, bringing it to the appropriate value for the subsequent work steps.
    [0014] [014] However, the current operating situation, associated with the stabilization of unfinished products of liquid agglutination intended to form common ceramic items, has some known and evident disadvantages.
    [0015] [015] More specifically, a first disadvantage of the state of the art is constituted by the fact that the adaptation to the agitation tank of the thermoregulation systems complicates and somewhat articulates the production of the tank itself, with the consequent and always unwanted increase in time and cost of manufacture (obviously, labor and raw materials used being the same).
    [0016] [016] A second disadvantage, in some ways much more significant than that indicated above, is determined by the fact that the thermoregulation means, as currently designed in the relevant field of concern, represent a static system of heat transmission, since are fixed internally to the stirring tank.
    [0017] [017] Now, it is well known that heat is a transfer of energy between two bodies in contact or close to each other that are initially at different temperatures, and that temperature is a measure of the average kinetic energy of molecules in a body, kinetic energy that is regulated by the mathematical formula: Ec = ½ mv², where: m = body mass; v = body speed.
    [0018] [018] It is evident that the thermoregulation means used to stabilize an unfinished liquid agglutination product intended to form ceramic items, such as sanitary fittings, does not operate with optimum efficiency and requires a source of electrical energy to bring the temperature of the unfinished product of liquid agglutination to the desired value, which, as it tries to contain, can still be largely minimized or otherwise reduced.
    [0019] [019] In essence, therefore, it is currently necessary to provide a relevant amount of electricity in the time unit so that the thermoregulation means effectively fulfill their functions in the unfinished liquid agglutination product.
    [0020] [020] It happens, therefore, that in the current state of the art, time and costs required to thermally stabilize an unfinished liquid agglutination product, contained in the stirring tank and destined to form a ceramic item, are not optimal, just depending on the electrical energy absorbed by means of thermoregulation.
    [0021] [021] Another disadvantage of the known technique referred to here derives from the fact that some unfinished products of liquid agglutination with which ceramic items are manufactured, typically based on clay, for example, the liquid paste first introduced eventually adheres significantly to the media. thermoregulation that face the internal volume of the agitation tank, thus forming an insulating layer that limits, to a not negligible extent, the efficiency of the thermoregulation means.
    [0022] [022] An additional disadvantage of the state of the art is due to the fact that current systems for stabilizing an unfinished semi-liquid agglutination product, intended to form ceramic items, end up over-pouring the unfinished liquid agglutination product itself, creating in it the phenomenon of anisotropy which, in turn, can cause problems in subsequent process steps (for example, molding).
    [0023] [023] Therefore, beginning with the recognition of the preceding disadvantages of the current state of the art, the present invention proposes to give them conclusive remedies.
    [0024] [024] In particular, the primary purpose of the present invention is to provide an agitator to stabilize unfinished products of liquid agglutination intended to form ceramic items, which, in general terms, allows to simplify, compared to the state of the art, construction design of the thermoregulation system of the previously mentioned unfinished liquid agglutination products contained in a stirring tank.
    [0025] [025] In the cognitive sphere of this purpose, it is a task of the invention to make concrete an agitator to stabilize unfinished products of liquid agglutination destined to form ceramic items which, labor and raw materials used being equal, allows to reduce cost and the time of manufacture of the devices properly used for such stabilization operation.
    [0026] [026] It is a second purpose of the invention to maximize, or at least make more efficient than equivalent systems of the known type, the efficiency of the devices, in particular the thermoregulation system, used to stabilize the unfinished liquid agglutination products intended to form items of ceramic.
    [0027] [027] In other words, it is a purpose of the present invention to achieve, on the state of the art, energy savings in the effective processing of unfinished liquid agglutination products intended to form ceramic items - the duration of the processing cycle being equal - or, alternatively, reducing, compared to the state of the art, the time required to achieve effective processing of the unfinished liquid agglutination products intended to form ceramic items - electricity supplied, especially in relation to the operation of the thermoregulation media / system, being the same.
    [0028] [028] It is an additional purpose of the invention to develop an agitator to stabilize unfinished products of liquid agglutination intended to form ceramic items that allows to keep the initial functional efficiency of the thermoregulation system unchanged over time or, in any case, for longer periods than those that can currently be found.
    [0029] [029] It is a last, but not the least, purpose of the present invention to design an agitator to stabilize unfinished liquid agglutination products intended to form ceramic items, such that the attack of the anisotropy phenomenon for processed or unfinished liquid agglutination products treated by it, causing processing problems in subsequent work steps (for example, molding), is substantially avoided or quite limited compared to the known technique.
    [0030] [030] Said purposes are achieved by means of a stirrer to stabilize unfinished products of liquid agglutination intended to form ceramic items as defined in the attached claim 1, which is hereinafter referred to for the purposes of brevity of display.
    [0031] [031] Additional technical features of details of the stirrer of the invention are contained in the respective dependent claims.
    [0032] [032] The aforementioned claims, hereinafter specifically and concretely defined, are considered an integral part of the present description.
    [0033] [033] Advantageously, the stirrer of the invention globally simplifies, compared with the known technique, the constructive design of the thermoregulation system of the unfinished products of liquid agglutination contained in a stirring tank: this due to the fact that the thermoregulation circuit already integrated and made rigidly coupled with the support shaft and the main operating blade of the stirrer of the invention and, as a consequence, it is not necessary to provide any costly fixing operation of the thermoregulation circuit of the stirring tank, as with the devices currently used to stabilize unfinished liquid agglutination products intended for molding to form sanitary fittings.
    [0034] [034] Still advantageously, the agitator for unfinished products of liquid agglutination intended to form ceramic items, which is the object of the invention described here, presents an optimal efficiency or at least better than the known systems with which, in the state of the art , the thermoregulation of these unfinished products of liquid agglutination contained in the agitation tank is obtained.
    [0035] [035] This characteristic comes from the fact that, in the invention, the thermoregulation circuit is integral with the support shaft and the main operating blade and, therefore, moves with these constituent components of the agitator: in application and conditions of operation of the stirrer of the invention, the support shaft and the main operating blade in the form of thermoregulation operation (heating or cooling, depending on the situation) emerge in motion.
    [0036] [036] Consequently, since, as seen above, the kinetic energy of a moving body is directly proportional to the square of the speed, the unfinished product of liquid agglutination present in the stirring tank is brought to the desired temperature, useful for the steps of subsequent work, in a shorter period than those allowed by an apparatus (including a stirrer and stirring tank) of the known type, the electrical energy absorbed to feed the thermoregulation circuit being equal.
    [0037] [037] Equally advantageous, therefore, in the stirrer of the invention, the thermoregulation circuit is able to transfer, in a short period, to the unfinished product of liquid agglutination a high amount of heat, considerably higher than that transferred by known systems, avoiding expensive time transitions to allow the accumulation of thermal energy in the thermoregulation circuit (phenomenon of thermal inertia) and to reach a given and adequate temperature.
    [0038] [038] Advantageously, the dynamics, not the static, characteristic of the thermoregulation circuit allows the agitator of the present invention to avoid the typical phenomenon of the state of the art, according to which the unfinished product of liquid agglutination, present within of the agitation tank and destined to the formation of ceramic items, it eventually adheres to the thermoregulation circuit, forming a harmful thermal insulating layer.
    [0039] [039] The stirrer of the invention, therefore, allows the efficiency of the initial functional thermoregulation circuit to remain unchanged over time, or in any case for a much longer period than that provided by equivalent technological solutions, compared with which the present one. The invention also restricts inconvenient and painful maintenance and / or replacement interventions.
    [0040] - figura 1 é uma vista isométrica parcialmente truncada e seccionada do agitador da invenção em condições de aplicação; - figura 2 é uma vista seccional longitudinal do agitador da figura 1; - figura 3 é uma vista lateral do agitador da figura 1; - figura 4 é uma isométrica explodida de uma primeira montagem construtiva do agitador da figura 1; - figura 5 é uma vista isométrica parcialmente explodida de uma segunda montagem construtiva do agitador da figura 1; - figura 6 é uma vista isométrica alargada da construção particular da figura 5; - figura 7 é uma vista truncada seccionada do agitador da figura 1 que esquematiza o percurso da termorregulação, condicionamento ou troca de calor, fluido de transferência de calor na parte superior do próprio agitador; - figura 8 é uma vista truncada lateral do agitador da figura 1 que esquematiza o percurso da termorregulação, condicionamento ou troca de calor, fluído de transferência de calor na parte inferior do próprio agitador; - figura 9 é uma vista isométrica de outra realização do agitador da figura 1; - figura 10 é uma vista isométrica de uma construção particular da figura 9. [040] Additional characteristics and specificities of the invention will appear to a great extent from the description that follows, related to a preferential realization of the agitator object of this exclusive industrial right, given in a purely indicative and illustrative way, but not limiting, in relation to the accompanying drawings, in which: figure 1 is a partially truncated and sectioned isometric view of the stirrer of the invention under application conditions; figure 2 is a longitudinal sectional view of the agitator in figure 1; figure 3 is a side view of the agitator in figure 1; figure 4 is an exploded isometric view of a first constructive assembly of the agitator in figure 1; figure 5 is a partially exploded isometric view of a second constructive assembly of the agitator in figure 1; figure 6 is an enlarged isometric view of the particular construction of figure 5; - figure 7 is a truncated sectional view of the agitator of figure 1 which outlines the course of the thermoregulation, conditioning or heat exchange, heat transfer fluid on the upper part of the agitator itself; figure 8 is a truncated side view of the agitator in figure 1 which outlines the course of thermoregulation, conditioning or heat exchange, heat transfer fluid at the bottom of the agitator itself; figure 9 is an isometric view of another embodiment of the agitator in figure 1; figure 10 is an isometric view of a particular construction of figure 9.
    [0041] [041] The agitator of the present invention, used to stabilize unfinished products of liquid agglutination intended to form ceramic items, is illustrated under application conditions in figure 1, where it is generically indicated with 1.
    [0042] - um eixo de suporte 2 que define um eixo de rotação longitudinal Y e que, neste caso específico, é internamente oco e é quase completamente contido dentro do tanque de agitação V do produto inacabado de aglutinação líquida, não visível e constituído, por exemplo, por uma mistura de água e argila (pasta); - meios de motorização, indicado geralmente por 3, conectados operativamente com o eixo de suporte 2 para ajustá-lo rodando em torno do eixo longitudinal Y; - uma lâmina operacional principal 4, acoplada ao eixo de suporte 2 através de meios de interconexão, geralmente indicado por 5, de tal modo a estar contido no tanque de agitação V, para interferir no produto inacabado de aglutinação líquida e causar uma ação de mistura mecânica contínua do mesmo, dentro do tanque de agitação V, quando o eixo de suporte 2 roda em torno do eixo longitudinal Y, como resultado da atuação dos meios de motorização 3. [042] As can be seen, agitator 1 includes: - a support axis 2 which defines a longitudinal axis of rotation Y and which, in this specific case, is internally hollow and is almost completely contained within the agitation tank V of the unfinished liquid agglutination product, not visible and constituted, for example, by a mixture of water and clay (paste); - motorization means, usually indicated by 3, operatively connected with the support axis 2 to adjust it by rotating around the longitudinal axis Y; - a main operating blade 4, coupled to the support shaft 2 by means of interconnection, usually indicated by 5, so that it is contained in the agitation tank V, to interfere with the unfinished liquid agglutination product and cause a mixing action continuous mechanics thereof, inside the agitation tank V, when the support axis 2 rotates around the longitudinal axis Y, as a result of the actuation of the motorization means 3.
    [0043] [043] According to the invention, the agitator 1 includes a thermoregulation circuit, as a whole reported by 6, which extends within the support axis 2 and the main operating blade 4 and is connected with an external source, not illustrated, to supply a heat transfer fluid passing through the thermoregulation circuit 6 in such a way as to exchange heat with the unfinished liquid agglutination product inside the agitation tank V, to bring the unfinished liquid agglutination product itself to a predefined temperature, while the support axis 2 and, with it, the main operating blade 4, rotate about the longitudinal axis Y.
    [0044] [044] In essence, therefore, in the stirrer 1 of the invention, the thermoregulation circuit 6 is rigidly coupled to moving components, in particular the support shaft 2 and the main operating blade 4.
    [0045] [045] It is briefly emphasized that the stirring tank V, made, for example, of stainless steel, has, in a purely preferable and not mandatory manner, a cylindrical shape and a bottom plate F; it can typically have a volumetric capacity of 5 ± 15 m³ and a minimum thickness of 6 mm.
    [0046] [046] Additionally, an external power supply for the heat exchange transfer fluid can be properly represented by the water system, a heating circuit (if it is necessary to heat the unfinished liquid agglutination product), a cooler (if necessary to cool the unfinished product of liquid agglutination), a tank, a small service boiler that makes the agitator and the apparatus as a whole independent.
    [0047] [047] In all these cases, the heat transfer fluid, circulating within the thermoregulation circuit 6 can be water or other suitable fluids, such as, for example, diathermic oil, glycolic water, among others. The support shaft 2 and the motorization means 3 are designed in such a way that they are fixed externally and above the cover C of the agitation tank V by means of anchoring, as a whole indicated by 7 and which, preferably, include a base plate 8, suitable to be fixed directly to the cover C, a centering block 9, arranged above the base plate 8, and a support with flange 10 arranged above the centering block 9.
    [0048] [048] The components of the anchoring means 7, just defined, are held together by coupling pins 11 and nuts 12 and have a respective through hole 13, 14 and 15 through which the support shaft 2 passes (therefore, the three through holes 13, 14 and 15 are coaxial to each other along the longitudinal axis Y of the support axis 2).
    [0049] [049] Insofar as the motorization means 3 are included, which includes, for example, a three-phase asynchronous electric motor 16 and a gear 17 coupled to the motor, they are operatively connected with the support shaft 2 via transmission means, as a whole indicated by 18, and suitable to be arranged superiorly outside the agitation tank V, properly protected by a box-shaped enclosure 19 that prevents it from being accessed easily or accidentally, and therefore extremely dangerous.
    [0050] [050] Preferably, but not necessarily, the transmission means 18 comprise, in this case, a first toothed pulley 20, arranged above the support flange 10 and further coupled with the support shaft 20 by means of a locking key 21, and a second toothed pulley 22, coupled with a drive shaft 23 pertaining to the driving means 3 and mechanically connected to the first toothed pulley 20 by means of a toothed belt 24.
    [0051] [051] Referring to the thermoregulation circuit 6, figure 1 and partially figures 2 and 3, show that it includes an inlet 25 and an outlet 26 adapted to be connected to the external source for supplying the heat transfer fluid through , respectively, of a delivery duct and a return duct, not illustrated for simplicity, but, in any case, of the flexible type and commonly known to the technician in the subject.
    [0052] [052] In any case, the input 25 and the output 26 of the thermoregulation circuit 6 project out of the support axis 2 in such a way that they are external to the agitation tank V and easily accessible for the connection / disconnection of the delivery and return ducts, which, together with the external source, close the thermoregulation circuit 6.
    [0053] [053] In a preferred but not mandatory mode, the inlet 25 and the outlet 26 of the thermoregulation circuit 6 belong to a rotation joint 27 coupled by means of engagement, not shown, to the support shaft 2 at a first end 2a, which remains outside the stirring tank V and, in this case, also the box-shaped housing 19.
    [0054] - um primeiro conduto 28, contido no eixo de suporte 2 e se comunicando com a entrada 25, adequado para ser atravessado pelo fluido de transferência de calor ao longo de uma primeira direção predeterminada, indicada pela flecha F1 na figura 1; - um segundo conduto 20, que é também contido no eixo de suporte 2 e se comunicando com a saída 26, adequado para ser atraverssado pelo fluido de transferência de calor ao longo de uma segunda direção predeterminada, indicada por F2 e contrária à primeira direção F1, de maneira que o fluído de transferência de calor circula em contracorrente o primeiro conduto 28 e o segundo conduto 20; - duas serpentinas ramificadas 30, 31, embutidas e integradas em duas seções construtivas distintas e respectivas 32, 33, nas quais é possível dividir a lâmina de operação principal 4: cada uma das serpentinas ramificadas 30, 31 é provida com uma entrada de encaixe 34, que se comunica com uma abertura de saída 35 do primeiro conduto 28, e com uma saída de encaixe 36, que se comunica com a abertura de entrada 37 do segundo conduto 29. [054] According to the preferred embodiment of the invention described here, the thermoregulation circuit 6 is composed of: - a first conduit 28, contained in the support axis 2 and communicating with the inlet 25, suitable to be crossed by the heat transfer fluid along a first predetermined direction, indicated by the arrow F1 in figure 1; - a second conduit 20, which is also contained in the support axis 2 and communicating with the outlet 26, suitable to be traversed by the heat transfer fluid along a second predetermined direction, indicated by F2 and contrary to the first direction F1 , so that the heat transfer fluid circulates in countercurrent to the first conduit 28 and the second conduit 20; - two branched coils 30, 31, inlaid and integrated into two separate and respective construction sections 32, 33, in which it is possible to divide the main operating blade 4: each of the branched coils 30, 31 is provided with a plug-in entrance 34 , which communicates with an outlet opening 35 of the first conduit 28, and with a socket outlet 36, which communicates with the inlet opening 37 of the second conduit 29.
    [0055] [055] In essence, therefore, the first conduit 28 and second conduit 29 are coaxial with respect to each other and with the support axis 2, along the axis of longitudinal rotation Y defined by the last one.
    [0056] [056] The branched streamers 30,31 are the same when considered separately, while, when coupled to the main operating blade 4, they are symmetrically and inversely arranged opposite each other: for this reason, they are visible simultaneously in the same figure only partially in figure 1, while they are visible separated in a single example in figure 6, where the branched serpentine 30, 31 is represented by a dashed line, because it is not visible. The outlet 25 of the first conduit 28 and the inlet 37 of the second conduit 29 are clearly better seen in figure 5.
    [0057] [057] It is understood that, in other embodiments of the agitator of the present invention, not shown in the drawings that follow, the thermoregulation circuit could comprise a single branched coil, embedded only in a limited and very specific constructive section of the main operating blade or evenly distributed over the entire length or development surface of the blade itself.
    [0058] [058] As shown again in figure 1, the support shaft 2 comprises a molded collar 38 around its outer surface 2c and extending substantially the entire axial length of the support shaft 2 itself: the molded collar 38 (having , for example, a diamond-shaped profile in the top view) has the function of increasing the handling capacity of the unfinished product of liquid agglutination by the rotating support axis 2 and avoiding harmful turbulence effects of the external wall 2c of the support axis 2, otherwise determined by the chemical aggressiveness of the unfinished liquid agglutination product.
    [0059] [059] Referring now to the main operating blade 4, figures 1 to 3 and 5 illustrate how it projects laterally from the support axis 2 and is arranged on a second end 2b of the same, which, under application conditions of the agitator 1 of the invention, faces the bottom F of the agitation tank V.
    [0060] [060] In more detail, the main operating blade 4 is oriented along an inclined plane in relation to a hypothetical vertical plane, with which it defines an acute angle, to facilitate the disposal, drainage, sliding or slipping of the unfinished product of liquid agglutination, in which the operating blade 4 interferes during the rotation of the support shaft 2, driven by the motorization means 3 previously presented.
    [0061] [061] Additionally, the aforementioned figures, as well as figure 6, emphasize that the main operating blade 4 has a plurality of through lightening holes 39, interposed between the hinged and curved sections of the branched coils 30, 31, which they contribute to promote the disposal, flow or sliding of the unfinished product of liquid agglutination, in which the main operating blade 4 interferes during the rotation of the support shaft 2, driven by the means of motorization 3.
    [0062] - é conectado com o eixo de suporte 2, o qual é firmemente acoplado através dos primeiros meios de fixação, geralmente indicados por 41, de tal maneira a projetar-se axialmente a partir do limite perimétrico inferior 2d do eixo de suporte oco 2; - é associado com a lâmina de operação principal 4 em um recuo central 42; - apresenta, neste caso, um par de canais internos passantes 43, 44, mais bem vistos na figura 8, cada um dos quais se comunicando, em um lado, com a abertura de saída 35 do primeiro conduto 28, e, no outro lado, com a entrada de encaixe 34 das serpentinas ramificadas 30, 31, e um canal axial 45 que se comunica, em um lado, com a saída de encaixe 36 das serpentinas ramificadas 30, 31 e, no outro lado, com a abertura de entrada 37 do segundo conduto 29. [062] As an indicative but not limiting example, the interconnecting means 5 comprise a distribution block 40, which, as shown in figure 5: - it is connected with the support axis 2, which is firmly coupled through the first fixing means, generally indicated by 41, in such a way as to project axially from the lower perimetric limit 2d of the hollow support axis 2; - is associated with the main operating blade 4 in a central recess 42; - presents, in this case, a pair of internal through channels 43, 44, best seen in figure 8, each of which communicates, on one side, with the outlet opening 35 of the first conduit 28, and, on the other side , with the groove inlet 34 of the branched coils 30, 31, and an axial channel 45 that communicates, on one side, with the groove outlet 36 of the branched coils 30, 31 and, on the other side, with the inlet opening. 37 of the second conduit 29.
    [0063] [063] In particular, the distribution block 40 is, in this case, a separate part from the main operating blade 4, which is coupled through second fixing means, as a whole numbered by 46, always clearly visible in figure 5 and of the type you know.
    [0064] [064] In alternative embodiments of the stirrer of the invention, not shown in the accompanying drawings, the distribution block could be made in a single piece, monolithic, with the main operating blade, whose construction sections could therefore only be hypothetically distinguished each one, but not materially and physically separated from each other, such as, for example, the preferred embodiment described with the help of the attached figures 1 to 8.
    [0065] [065] In additional constructive solutions of the stirrer of the invention, also in this case without explanatory drawings attached, the distribution block of the interconnection means could present a single internal through channel, which communicates, on one side, with the outlet opening of the first flue and, on the other hand, with the slot inlet of the only branched coil in the case provided.
    [0066] [066] Figure 5 shows that, in a preferential and advantageous, but not essential, the main operating blade 4 is composed of two semi-molded blades 47, 48, the same and distinct from each other, symmetrically arranged in relation to the longitudinal axis of rotation Y, along planes that imaginatively converge and intersect each other below the semi-molded blades 47,48.
    [0067] [067] Each of these semi-molded blades 47,48 is firmly coupled to the distribution block 40 through the above mentioned second fixing means 46.
    [0068] [068] Additionally, preferentially, but not exclusively, each of the semi-molded blades 47,48 of the main operating blade 4 has a composite profile, which includes a substantially linear horizontal extension 49, suitable to allow the use of the blade of operation 4 in a stirring tank V, having a flat bottom F, as in the specific example of the solution of figures 1 to 8 (in this case, the stirring tank V will not be provided in the flat bottom F with two spatially separate discharges used for classify the unfinished product of liquid agglutination).
    [0069] [069] The composite profile of the main operating blade 4 also includes an oblique linear extension 50, which tilts in the lower direction from the longitudinal axis Y and allows the use of the operating blade 4 itself in a V stirring tank, having a tapered or tapered bottom, so that the operating blade 4 takes the operating configuration of figures 9 and 10, which illustrate an alternative embodiment of the stirrer of the invention, now generally indicated by 100: it should be noted that the main operating blade 4 is oriented in the inverted position at a right angle to the position it assumes in Figures 1 to 8.
    [0070] [070] It is stated precisely that the agitation tank, for which the agitator 100 of the invention is intended, will be equipped on the tapered or tapered bottom with a single central discharge of the unfinished liquid agglutination product.
    [0071] [071] As figures 1 to 8 still illustrate, the linear sections 49, 50 of the composite profile of the main operating blade 4 of the agitator 100 are connected to each other by flat edges 51: this to greatly facilitate the disposal or disposal of the product unfinished liquid agglutination in the main operating blade 4.
    [0072] [072] Figures 9 and 10 show, on the contrary, that the extensions 49, 50 of the composite profile of the main operating blade 4 of the agitator 100 are joined by pointed edges 151: this solution seems clearly preferable in the case where, during the phase In terms of design, it is opted for an increase in the disposal surface of the unfinished liquid agglutination product, rather than for a faster disposal of the latter by the main operating blade 4.
    [0073] - serem substancialmente associadas com uma porção intermediária do eixo de suporte e acima da própria lâmina de operação principal; - serem ainda contidas no tanque de agitação para interferir, similarmente à lâmina de operação principal, com o produto inacabado de aglutinação líquida e causar sua ação de mistura mecânica contínua dentro do tanque de agitação, quando o eixo de suporte roda em torno do eixo longitudinal. [073] In other embodiments of the invention, not shown, the agitator could also include one or more auxiliary operating blades, each of which is made integrally with the support shaft through joining means, preferably of the same type as the interconnecting means , in such a way as to: - be substantially associated with an intermediate portion of the support shaft and above the main operating blade itself; - be still contained in the agitation tank to interfere, similarly to the main operating blade, with the unfinished liquid agglutination product and cause its continuous mechanical mixing action inside the agitation tank, when the support axis rotates around the longitudinal axis .
    [0074] [074] More specifically, the agitator could comprise a plurality of auxiliary operating blades separated and spaced from each other along the longitudinal axis of the support axis (probably, but not limiting, in number of two), the thermoregulation extending within at least part of at least one of these auxiliary operating blades.
    [0075] - eixo de suporte e lâmina de operação principal providos com circuito de termorregulação; - eixo de suporte e lâmina de operação principal providos com circuito de termorregulação, uma lâmina de operação auxiliar de manipulação mecânica simples do produto inacabado de aglutinação líquida para aumentar seu fluxo; - eixo de suporte e lâmina de operação principal providos com circuito de termorregulação, uma lâmina de operação auxiliar de manipulação mecânica simples do produto inacabado de aglutinação líquida para aumentar a sua aceleração na direção da lâmina de operação principal (essa solução se diferencia da anterior, na medida em que se relaciona com o arranjo mútuo de lâminas semi-moldadas); - eixo de suporte e lâmina de operação principal providos com circuito de termorregulação e uma lâmina de operação auxiliar também completam o circuito de termorregulação; - eixo de suporte e lâmina de operação principal providos com circuito de termorregulação e uma pluralidade de lâminas de operação auxiliares tendo apenas uma função mecânica (aumentar o fluxo do produto inacabado de aglutinação líquida ou a aceleração para baixo, dependendo do caso); - eixo de suporte e lâmina de operação principal providos com circuitos de termorregulação e uma pluralidade de lâminas de operação auxiliares, pelo menos um das quais providas com um circuito de termorregulação. [075] To summarize, according to the result of the structural characteristics described above, the stirrer of the invention will then be made available in the following variations of its components: - support shaft and main operating blade provided with thermoregulation circuit; - support shaft and main operating blade provided with thermoregulation circuit, an auxiliary operating blade for simple mechanical manipulation of the unfinished liquid agglutination product to increase its flow; - support shaft and main operating blade provided with thermoregulation circuit, an auxiliary operating blade for simple mechanical manipulation of the unfinished liquid agglutination product to increase its acceleration towards the main operating blade (this solution differs from the previous one, insofar as it relates to the mutual arrangement of semi-molded sheets); - support shaft and main operating blade provided with a thermoregulation circuit and an auxiliary operating blade also complete the thermoregulation circuit; - support shaft and main operating blade provided with thermoregulation circuit and a plurality of auxiliary operating blades having only a mechanical function (increasing the flow of the unfinished liquid agglutination product or accelerating downwards, depending on the case); - support shaft and main operating blade provided with thermoregulation circuits and a plurality of auxiliary operating blades, at least one of which provided with a thermoregulation circuit.
    [0076] [076] From an operational point of view, the agitator 1 of the present invention is fixed by the anchoring means 7 to a cover C of the agitation tank V, such that the motor means 3, the transmission means 18 , the first end 2a of the support shaft 2 slopes upwards from the agitation tank V and is easily accessible to the operator for maintenance and / or replacement, with the precaution, however, that during normal operation or phases periodic stoppings of the agitator 1, the transmission means 18 remain protected and inaccessible due to the presence of the box-shaped housing 19.
    [0077] [077] The main operating blade 4 is therefore arranged close to the flat bottom F of the agitation tank V, slightly spaced and separated from it, while the hollow support shaft 2 extends along the inner central zone and throughout remainder of the agitation tank V length.
    [0078] [078] Subsequently, the operator fixes the delivery duct and the return duct from one side, respectively, to the inlet 25 and the outlet 26 of the rotary joint 27, and, on the other side, to the external source of fluid supply. heat transfer, usually water.
    [0079] [079] To perform the thermomechanical processing of the unfinished liquid agglutination product present in the agitation tank V, a control and a dedicated central processing unit, belonging to the control panel installed, for example, in the body of the agitation tank V, triggers the drive means 3, which, through the transmission means 19, rotate the support axis 2 about the longitudinal axis Y, together with the rotary joint 27 and the main operating blade 4.
    [0080] [080] At the same time, the heat transfer fluid is circulated within the thermoregulation circuit 6: in this case, the heat transfer fluid enters the rotary joint 27 through inlet 25 and, from here, flows downwards through the first conduit 28 in the direction of arrow F1, shown in figure 1 and, in more detail, in figure 7.
    [0081] [081] Having reached the end of the support shaft 2, the heat transfer fluid first enters through the internal channels 43, 44 of the distribution block 40 of the interconnection means 5, passing through the outlet opening 35 of the first conduit 28 and the diametrically opposed holes 52, 53 made in the upper wall of the distribution block 40.
    [0082] [082] The heat transfer fluid subsequently enters the inlet 34 of the two branched coils 30, 31 integrated in the respective construction sections 32, 33 (or semi-molded blades 47, 48) of the main operating blade 4.
    [0083] [083] By doing this, the heat transfer fluid flows through the articulated path of the branched coils 30, 31, exchanging heat with the unfinished liquid agglutination product of the V stirring tank (until the latter reaches the desired level of temperature) and escapes from the opposite sides of the branched coils 30, 31 through the respective socket outlet 36 that carries it, passing through the inlet opening 37, in the second conduit 29, coaxially disposed within the first conduit 28.
    [0084] [084] The heat transfer fluid then returns to the second conduit 29 along the direction indicated by arrow F2 in figure 1 and, in greater detail, in figure 8, that is, in countercurrent in relation to the F1 direction along from which it passes through the first conduit 28 and, passing through the exit 26 of the rotary joint 27, as even better illustrated in figures 1 and 8, it escapes from the support axis 2 of the agitator 1 of the invention to enter the delivery duct and, from there from there, to the external energy source where it is recirculated.
    [0085] [085] It turns out that the agitator 1 of the present invention provides the passage of a heat transfer fluid inside the moving components, that is, the support shaft 2 and the main operating blade 4, with the obvious advantages that this entails and which have already been widely emphasized in the course of the description presented here.
    [0086] [086] The same components (support shaft 2 and main operating blade 4) that perform the mechanical action on the unfinished liquid agglutination product are also involved in the thermal processing of the latter, thanks to the fact that they integrate the thermoregulation circuit 6.
    [0087] [087] The operation of the agitator 100 of figures 9 and 10 is completely equivalent to that described for agitator 1; furthermore, it is confirmed that the agitator 100 differs from the agitator 1 only by the orientation or spatial arrangement of the main operating blade 4, which makes the agitator 100 suitable to be installed in agitation tanks that have conical or tapered towards the central bottom.
    [0088] [088] Based on the description just given, it is understood, therefore, that the agitator to stabilize unfinished liquid agglutination product intended to form ceramic items, which is the object of the present invention, achieves the purposes and achieves the advantages mentioned above.
    [0089] [089] The agitator for stabilizing unfinished liquid agglutination product intended to form sanitary items also has the advantage of being adaptable to still existing agitation tanks, not necessarily new and manufactured with it, since the essential components of the innovative agitator here proposed by the depositor can be fixed and fixed to the cover of a given agitation tank and do not provide interventions on the internal parts of the latter for its installation.
    [0090] [090] The adaptability of the agitator of the invention allows its application also in agitation tanks of mutually different volumetric capacity, thanks to the adaptation of the length of the support shaft (for example, through tubular extensions) or the replacement of only the support shaft. by another of suitable length for the new application.
    [0091] [091] The absence of large thermoregulation circuits, as well as their direct installations / applications on the support shaft and on the main operating blade, make the equipment as a whole, formed as said by the agitation tank agitator, quite economical.
    [0092] [092] In the execution phase, alterations could be made to the agitator to stabilize unfinished products of liquid agglutination intended to form ceramic items, object of the invention, consisting, for example, in different means of motorization from those described in a brief and indicative way during the previous description and which, in any case, can be deduced in great detail by the attached figures.
    [0093] [093] In addition, other embodiments of the stirrer of the invention, not illustrated, could provide that the support shaft is only partly contained in the stirring tank of the unfinished liquid agglutination product.
    [0094] [094] Additionally, in other realizations of the agitator claimed here as an exclusive title of industrial property, the main operating blade and any auxiliary operating blades could be coupled to the support shaft by means, respectively, of interconnection means and means of union. different from those described above, which do not affect the advantage brought by the present invention.
    [0095] [095] It is also underlined that the stirrer of the invention could be used to process any unfinished liquid agglutination product to be used in the composition of sanitary accessories, and therefore not only for mixing water and clays, but also for enamels, paints , between others.
    [0096] [096] Finally, it is clear that several other changes could be made in the designed agitator, without departing from the principle of novelty intrinsic in the inventive idea expressed here, as it is clear that, in the practical implementation of the invention, materials, shapes and sizes of details illustrated can be changed as needed and replaced with technically equivalent ones.
    [0097] [097] Where the constructive and technical characteristics mentioned in the following claims are followed by reference numbers or signs, those signs have been introduced for the sole purpose of increasing the intelligibility of the claims themselves and, therefore, they have no limiting effects on interpretation of each element identified, by way of example only, by these reference signs.
    权利要求:
    Claims (15)
    [0001]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 110) to stabilize unfinished products of liquid agglutination intended to form ceramic items, comprising: - a support axis (2) individualizing an axis of longitudinal rotation (Y) and suitable to be at least partially contained in a stirring tank (V) of said unfinished liquid agglutination product; motorization means (3) operatively connected with said support axis (2) to rotate it around said longitudinal axis (Y); - a main operating blade (4), coupled to said support axis (2) by means of interconnection (5), in such a way as to be contained in the agitation tank (V), to interfere with the unfinished agglutination product liquid and cause a continuous mechanical stirring action when said support axis (2) rotates about said longitudinal axis (Y); - a thermoregulation circuit (6), which extends within said support axis (2) and within at least part of said main operating blade (4) and is connected to the external source to provide a heat transfer fluid suitable for crossing said thermoregulation circuit (6), in such a way as to exchange heat with said unfinished liquid agglutination product inside the stirring tank (V), to bring said unfinished liquid agglutination product to a predefined temperature, while the said support axis (2) and the main operating blade (4) rotate about said longitudinal axis (Y), wherein said thermoregulation circuit (6) includes an appropriate inlet (25) and an outlet (26) to be connected to said external source to supply said heat transfer fluid through, respectively, a delivery duct and a return duct, and is composed of: - a first conduit (28), contained in said support axis (2) and in communication with said inlet (25), suitable to be traversed by said heat transfer fluid along a first predetermined direction (F1); - a second conduit (29), contained in said support axis (2) and in communication with said outlet (26), suitable to be traversed by said heat transfer fluid along a second predetermined direction (F2), opposite to said first direction (F1), in such a way that said heat transfer fluid circulates in countercurrent within said first and second ducts (28, 29); - at least one branched coil (30, 31), embedded in at least one construction section (32, 33) of said main operating blade (4) and provided with a plug-in entrance (34) communicating with the opening of outlet (35) of said first conduit (28) and with a socket outlet (36) communicating with the inlet opening (37) of said second conduit (29), and wherein said interconnecting means (5) include a distribution block that: - is connected to said support axis (2), which is firmly coupled by means of first fixing means (41) in such a way as to project axially from the lower perimeter edge (2d) of said support axis (2); - it is associated with the main operating blade (4) in a central recess (42); - has at least one internal channel through (43, 44), communicating on one side with said outlet opening (35) of said first conduit (28) and on the other side with said plug-in entrance (34) of said branched coil (30, 31), and a through axial channel (45), communicating on one side with said plug-in outlet (36) of said branched coil (30, 31) and on the other side with said inlet opening (37) of said branched serpentine (29); characterized by the fact that the main operating blade (4) is composed of two semi-molded blades (47, 48) equal and distinct from each other, symmetrically arranged in relation to the axis of longitudinal rotation (Y) along planes that they intercept one another in an imaginary and convergent way at the bottom of said semi-molded blades (47, 48), each of the semi-molded blades (47, 48) being firmly coupled to a distribution block (40) through said seconds fastening means (46).
    [0002]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100) according to claim 1, characterized in that said motorization means (3) are operatively connected to said support shaft (2) by means of transmission (18) suitable to be disposed outside and above the stirring tank (V).
    [0003]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100) according to claim 2, characterized in that said transmission means (18) include a first toothed pulley (20), coupled to said support shaft (2), using a key locking (21), and a second toothed pulley (22) coupled to a drive shaft (23) of said motorization means (3) and mechanically connected to the first toothed pulley (20) by means of a toothed belt (24) .
    [0004]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100) according to claim 1, characterized in that said inlet (25) and said outlet (26) of said thermoregulation circuit (6) tilt out of said support axis ( 2) in such a way as to be external to the agitation tank (V).
    [0005]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100), according to claims 1 and 4, characterized by the fact that said outlet (25) and the inlet day (26) of said thermoregulation circuit (6) belong to a rotation joint (27 ) coupled to said support shaft (2) at a first end (2a) suitable to remain outside said agitation tank (V).
    [0006]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100), according to claim 1, characterized by the fact that said first conduit (28) and said second conduit (29) of said thermoregulation circuit (6) are coaxial to each other and in relation to the said support axis (2) along the axis of longitudinal rotation (Y) defined by the support axis (2).
    [0007]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100) according to the preceding claims, characterized in that said support shaft (2) comprises a molded collar (38) around the outer wall (2c) of said support shaft (2) and extends substantially over the entire axial extension of said support axis (2), suitable to increase the handling capacity of said unfinished liquid agglutination product by said support axis (2) in rotation and to avoid harmful turbulence effects of said external wall (2c) of said support axis (2) caused by the chemical aggressiveness of said unfinished liquid agglutination product.
    [0008]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100), according to the preceding claims, characterized by the fact that said main operating blade (4) projects laterally from said support axis (2) and is disposed at a second end of said support axis (2), said second end (2b) being suitable for facing the bottom (F) of said agitation tank (V).
    [0009]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100), according to the preceding claims, characterized by the fact that said main operating blade (4) is oriented along an inclined plane in relation to a hypothetical vertical plane, which defines an acute angle, to facilitate the disposal, flow or sliding of said unfinished liquid agglutination product in which said operating blade (4) interferes during the rotation of said support axis (2) driven by said motorization means (3).
    [0010]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100) according to claims 1 and 6 to 9, characterized by the fact that said main operating blade (4) has a plurality of through lightening holes (39), interposed between the hinged sections of the said branched serpentine (30, 31), suitable to facilitate the disposal, flow or sliding of said unfinished liquid agglutination product in which said operating blade (4) interferes during the rotation of said support axis (2) driven by said motorisation means (3).
    [0011]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100), according to claim 1, characterized in that said distribution block (40) is a separate part from the main operating blade (4) to which it is coupled by means of second clamping means ( 46).
    [0012]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator, according to claim 1, characterized by the fact that the distribution block is made in a single piece, monolithic, with said main operating blade.
    [0013]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator (1; 100) according to claim 1, characterized in that each of the semi-molded blades of said main operating blade (4) has a composite profile that includes a substantially horizontal linear extension (49) suitable for allow the use of said operating blade (4) in the presence of a flat bottom (F) for said agitation tank (V), and an oblique linear extension (50), which tilts in the lower direction from said longitudinal axis (Y), suitable to allow the use of said operating blade (4) in the presence of a tapered or tapered bottom of said agitation tank.
    [0014]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator according to the preceding claims, characterized by the fact that it comprises one or more auxiliary operating blades, each of which is coupled by means of joining to said support axis in such a way as to be substantially associated with the intermediate portion of the said support axis and above said main operating blade still to be contained in said agitation tank to interfere with the unfinished liquid agglutination product and cause a continuous mechanical agitation action therein within said agitation tank, when said axis support wheel rotates about said longitudinal axis.
    [0015]
    SHAKER FOR STABILIZING UNFINISHED LIQUID BINDING PRODUCTS INTENDED TO FORM CERAMIC ITEMS; agitator according to claim 14, characterized by the fact that it comprises a plurality of said auxiliary operating blades, said thermoregulation circuit extending within at least part of at least one of said auxiliary operating blades.
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    同族专利:
    公开号 | 公开日
    RU2014153148A|2016-08-10|
    EP2855111A1|2015-04-08|
    ES2598857T3|2017-01-30|
    CN104540653B|2016-10-12|
    PL2855111T3|2017-12-29|
    BR112014030421A2|2017-06-27|
    MX2014014966A|2015-06-17|
    HRP20161259T1|2016-12-02|
    RS55247B1|2017-02-28|
    HUE030213T2|2017-04-28|
    US9757700B2|2017-09-12|
    MX352658B|2017-12-04|
    PT2855111T|2016-10-24|
    SI2855111T1|2017-01-31|
    ITPD20120180A1|2013-12-06|
    CN104540653A|2015-04-22|
    WO2013182943A1|2013-12-12|
    RU2606476C2|2017-01-10|
    US20150117138A1|2015-04-30|
    EP2855111B1|2016-07-20|
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    USD935497S1|2021-08-02|2021-11-09|Elliot Kremerman|Spinner|
    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-01-28| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-10-27| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-01-12| B09X| Republication of the decision to grant [chapter 9.1.3 patent gazette]|
    2021-04-06| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/05/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    ITPD20120180|ITPD20120180A1|2012-06-05|2012-06-05|AGITATOR FOR THE STABILIZATION OF SEMI-FINISHED LIQUID BINDERS INTENDED FOR THE COMPOSITION OF CERAMIC ARTICLES|
    ITPD2012A000180|2012-06-05|
    PCT/IB2013/054277|WO2013182943A1|2012-06-05|2013-05-23|Stirrer for stabilizing liquid binding unfinished products intended to form ceramic items|
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