• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A process for the extrusion of patterned sheets of thermoplastic synthetic resins wherein a transparent basic synthetic resin material is combined with at least one differently colored secondary synthetic resin material, and wherein the combined stream of material made up of the basic material and the secondary material flows, during the extrusion, at least in partial zones at right angles to the extrusion flow direction, based on the flow cross section, is disclosed.
    公开号:SU753352A3
    申请号:SU772480951
    申请日:1977-05-18
    公开日:1980-07-30
    发明作者:Вебермайер Курт；Виссингер Вальдемар；Рулле Отто
    申请人:Динамит Нобель Аг (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to the chemical and polymer industries and can be used for extrusion molding of polymer multicolor profiles, for example spectacle frames.
    A device is known for extruding multicolor profiles from plastic materials, containing an extruder with a profiling head, an additional extruder for supplying a different color mass, a distributor located in the passage for the combined mass of material and made in the form of a mixer, the shaft of which is mounted along the longitudinal axis of the profiling head (1 )
    A disadvantage of the known device is that it does not achieve thin patterns on the product due to insufficient mixing of the combined mass flow.
    The closest in technical essence to the invention is a device for the extrusion of multi-color profiles from polymers, containing at least two extruders for supplying the melt, an extrusion slit head with a passage for a combined melt flow and a distributor made with openings for passing the melt And mounted in a passage perpendicular its longitudinal axis (2).
    In the latter device, due to the location of the distributor perpendicular to the longitudinal axis of the passage channel, the opening of the distributor and its installation with the possibility of moving in the transverse direction, melt mixing is ensured. However, the disadvantage of this device is that it provides a turbulence of only the middle part of the flow, without affecting the outer layers, which reduces the efficiency of mixing.
    The purpose of the invention is improving the efficiency of mixing the melt.
    This goal is achieved due to the fact that in the device for extrusion of multi-color profiles made of polymers containing at least two extruders for feeding the melt, an extrusion slot head with a passage for a combined melt flow and a distributor made with openings for passing the melt and mounted in the passage channel perpendicular to its longitudinal axis, according to the invention, the distributor is made cylindrical with a diameter of 753352 meters equal to the diameter of the passage channel, and is equipped with a drive Eden.
    In FIG. 1 shows the described device, a General view; in FIG. 2 — view of the extrusion head and distributor; in FIG. 3 - extrusion head with a distributor, longitudinal section; in FIG. 4 - a distributor according to the invention; in FIG. 5 - 9 - embodiments of the distributor, cross section; in FIG. 9a is the same, section A — A in FIG. 9; in FIG. 10 is an embodiment of a device with multiple distributors; in FIG. And - the profile of the polymer obtained according to the invention.
    The device comprises an extruder 1 for supplying the bulk of the polymer melt, mainly transparent, extruders 2, 3 for supplying colored additional masses of the melt by means of feeders 4 to the extrusion slit head 5, made with channel 6 for the bulk and with a passage channel 7 for the combined melt flow, and a distributor 8 mounted in the passage channel Ί perpendicular to its longitudinal axis and made cylindrical with a diameter equal to the diameter of the passage channel 7 and openings 9 (see Fig. 4) for passage Av. The distributor 8 is equipped with a drive 10 for its rotation. The openings 9 of the distributor 8 having an oval cross-section (see Fig. 4) are located at an angle of about 70 ° to the longitudinal axis of the distributor 8 and are offset 90 ° from each other. The openings can also have a cross section in the form of a circle, with the cross-sectional area of the openings being 20% of the outer surface of the distributor 8. The openings can be located vertically relative to the longitudinal axis of the distributor 8. The cross section of the openings 9, their inclination to the longitudinal axis of the distributor 8, the number of openings selected by any, depending on the required pattern of the manufactured profile. Rotating worms 11 are mounted in feeders 4 ‘.
    The device operates as follows.
    The bulk of the melt from the extruder 1 enters the channel 6 and then into the passage channel 7 of the extrusion head 5, where it is intensively mixed with streams of additional melt masses supplied by feeders 4 with worms And from extruders 2, 3 using the distributor 8. Due to the action of the rotating distributor 8 filamentary or strip-like additional masses of the melt are distributed in the bulk and a well-distributed pattern is formed, which is almost random (see Fig. II).
    In FIG. Figures 5–7 show options for performing cross sections of the distributor4, showing the possibilities of placing openings on the distributor. According to FIG. 5, two openings are connected, for example according to FIG. 7, the openings are crossed, and in FIG. 6 provides for a T-shaped crossing of the openings. In FIG. 8 shows a distributor made with a cavity and with openings in the form of radial holes or grooves connecting the outside of the distributor with its cavity. The mass falling through the openings 9 into the cavity of the distributor, due to the rotation of the distributor, leaves the openings 9 in another place, which helps to obtain the desired pattern. In FIG. 9 shows a distributor having openings in the form of slotted slots 12, between which ridges 13 are located. Slots 12 and ridges 13 are located at an angle to the longitudinal axis of the distributor. The width, height, offset relative to each other of the slots can vary depending on the desired pattern.
    Due to the profiling of the distributor, not only the forced deviation of the mass of the melt occurs, but also due to the rotation of the distributor, a change in the direction of flow.
    In FIG. 10 shows an embodiment of a device with several distributors located in the passage channel for the combined mass. Due to the sequential placement of several distributors, each of them can have a certain configuration, a certain direction and speed of rotation, and, therefore, perform an independent task of distributing, mixing and deflecting the mass flow, which increases the variety of the obtained profile patterns.
    This invention provides the formation of multi-color profiles of polymers in which the mass is located with the formation of an unoriented chaotic pattern.
    权利要求:
    Claims (2)
    [1]
    meter equal to the diameter of the flow channel, and provided with a drive of its rotation. FIG. 1 given the described device, a general view; in fig. 2-view of the extrusion head and distributor; in fig. 3 — Extrusion head with distributor, longitudinal section; in fig. 4 - distributor according to the invention; on fng. 5 to 9 are embodiments of the distributor. cross section; in fig. 9, and the same, section A-A in FIG. 9; in FIG. 10 shows an embodiment of a device with several distributors; in fig. 11 is a polymer profile obtained according to the invention. The device contains an extruder 1 for nodachi the main mass of the polymer melt, mostly transparent, extruders 2, 3 for nodachi shredded additional mass of the melt by means of feeders 4 to the extrusion slit head 5, made with channel 6 for the main mass and with a through channel 7 for the combined melt flow, and distributor a, mounted in the passage channel 7 perpendicular to its longitudinal axis and made cylindrical with a diameter equal to the diameter of the passage channel 7 and openings 9 (see Fig. 4) for passage alloy. The distributor 8 is provided with a drive 10 for its rotation. The openings 9 of the distributor 8, having an oval cross-section (see fng. 4), are located at an angle of about 70 ° to the longitudinal axis of the distributor 8 and are offset from each other by 90 °. The openings can also have a section in the form of a circle, and the sectional area of the openings should be 20% of the outer surface of the distributor 8. The openings can be located vertically relative to the longitudinal axis of the distributor 8. The cross section of the openings 9, their inclination to the longitudinal axis of the distributor 8, the number of openings can to be chosen any, depending on the required pattern of the manufactured profile. In feeders 4 rotary screws I. are mounted. The device operates as follows. The main melt mass from extruder 1 enters channel 6 and further into throughput channel 7 of extrusion head 5, where by means of distributor 8 intensively moves with flows of additional masses of melt supplied by feeders 4 with worms 11 from extruders 2, 3. Due to the effect of the rotating distributor 8, the thread-like or band-like additional masses of the melt are distributed in the bulk and a well-distributed pattern is formed, Which is practical chaotic (see fig. I). FIG. 5-7, embodiments of the cross section of the distributor are shown, showing the possibilities of placing openings on the distributor. According to FIG. 5, two openings are connected, for example, the embodiments of FIG. 7, the openings are crossed, and in FIG. 6 provides for a T-shaped crossing openings. FIG. Figure 8 shows a distributor made with a cavity and with hoses in the form of radial holes or grooves connecting the outer side of the distributor with its cavity. The mass entering through the openings 9 into the cavity of the distributor, due to the rotation of the distributor, leaves the openings 9 in another place, which contributes to obtaining the desired pattern. FIG. 9 shows a distributor having openings in the form of slill-shaped slits 12, between which ridges 13 are located. Nroresi 12 and ridges 13 are located at an angle to the longitudinal axis of the distributor. The width, height, offset relative to each other of the slots may vary depending on the desired pattern. Due to the profiling of the distributor, not only is the forced deflection of the melt mass, but also due to the rotation of the distributor, the flow direction changes. Pa fng. 10 shows a variant of the implementation with several distributors located in the passage channel for the combined mass. Due to the sequential placement of several distributors, each of them can have a specific configuration, a certain direction and speed of rotation, and, therefore, perform an independent task of distributing, displacing and deflecting the mass flow, which increases the diversity of the resulting profile patterns. This invention provides multi-color molding of polymers in which a mass is arranged with a non-oriented chaotic pattern, Formula of the Invention A device for extruding multi-color profiles from polymers containing at least two extruders for melt feeding, an extrusion slit head with a flow channel for an integrated melt flow and a distributor made with nroaems for the passage of the melt and mounted in the passage channel perpendicular to its longitudinal axis, about ec in that, with a view to the Enhance efficiency neremeschivani melt distributor is cylindrical with a diameter equal to the diameter of the passageway, and provided with a drive of its rotation.
    Sources of information taken into account in the examination 1. US Patent No. 3823215, cl. 264-75, publ. 07.09.74.
    [2]
    2. US patent 3531828, cl. In 29 F 3/12, publ. 05.10.70 (prototype).
    C ±
    .h
      with;
    类似技术:
    公开号 | 公开日 | 专利标题
    SU753352A3|1980-07-30|Device for extrusion of multicoloured polymeric profiles
    US4128386A|1978-12-05|Apparatus for the extrusion of patterned sheets or panels of thermoplastic synthetic resin compositions
    US4478516A|1984-10-23|Apparatus for mixing and blending constituents of a flow of thermoplastics material
    US4848920A|1989-07-18|Static mixer
    US5318357A|1994-06-07|Extruder injection apparatus
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    US4201482A|1980-05-06|Perforated mixing elements for static and dynamic mixers
    US6863967B2|2005-03-08|Coextruded multi color plastic sheets
    US3946998A|1976-03-30|Single worm extruder
    US3609806A|1971-10-05|Orifice plates and worm extruders containing same
    US5672303A|1997-09-30|Process and extruding head for the manufacture and/or coating of extruding profiles
    FI87750C|1993-02-25|Device for re-injecting a core, especially an electrical conduit
    US4082488A|1978-04-04|Apparatus for the extrusion of temperature sensitive thermoplastics
    US5154865A|1992-10-13|Process for the production of moldings from thermotropic, liquid-crystalline substances
    EP0596248B1|1999-04-21|Extrusion head for two-component fibers, having a spinneret with high perforation density
    GB1019015A|1966-02-02|Process and apparatus for producing plastic net
    US4011292A|1977-03-08|Method for producing sheet material with multicolor striated pattern and sheet material produced thereby
    US3715105A|1973-02-06|Homogenising
    US4224272A|1980-09-23|Blow-molding nozzle and method
    EP0122703B1|1990-04-11|Single lip rotary die
    US5088909A|1992-02-18|Apparatus for extruding a marbleized synthetic-resin strand
    GB1573940A|1980-08-28|Extrusion head incorporating a mixing means
    SU1650228A1|1991-05-23|Static mixer for viscous materials
    US3740025A|1973-06-19|Apparatus for conveying, mixing and homogenizing high viscosity materials
    同族专利:
    公开号 | 公开日
    DE2622289B2|1979-07-26|
    DE2622289C3|1980-03-20|
    GB1550517A|1979-08-15|
    US4185951A|1980-01-29|
    BE854787A|1977-09-16|
    DE2622289A1|1977-12-01|
    DD129877A5|1978-02-15|
    NL7705508A|1977-11-22|
    IT1115943B|1986-02-10|
    FR2351776A1|1977-12-16|
    JPS5310657A|1978-01-31|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    US2803041A|1953-02-11|1957-08-20|Celanese Corp|Extrusion of plastic materials|
    DE1170616B|1961-05-26|1964-05-21|Hermann Berstorff Maschb Ansta|Process for the production of color effects on extruded profile pieces made of thermoplastic material and device for performing the process|
    BE640251A|1962-11-21|
    US3274646A|1963-05-13|1966-09-27|Rowlaud Products Inc|Apparatus for making extruded sheet material|
    US3422175A|1965-10-23|1969-01-14|Rowland Products Inc|Method for extruding synthetic thermoplastic sheet material|
    CH513714A|1969-07-01|1971-10-15|Sordelli Spa|Process for the manufacture of a thermoplastic laminate and machine to implement it|
    DE2013856A1|1970-03-23|1971-10-14|Witulski A|Imitation buffalo horn buttons prodn|
    FR2110666A5|1970-10-26|1972-06-02|Clair Bernard Savonnerie|
    US3792945A|1972-07-21|1974-02-19|Rowland Prod Inc|Apparatus for producing multicolor patterns and sheet material produced thereby|
    US3920366A|1974-04-04|1975-11-18|Rowland Inc|Extrusion apparatus using perforated member in discharge passage for producing sheet material with multicolor striated pattern|
    JPS50151848U|1974-06-04|1975-12-17|GB1591605A|1978-05-18|1981-06-24|Gen Eng Radcliffe|Method and apparatus for the injection of additives into plastics material|
    DE3132509C2|1981-08-18|1984-06-14|Dynamit Nobel Ag, 5210 Troisdorf|Method and slot tool for producing a color wedge film|
    US4562023A|1981-08-18|1985-12-31|Dynamit Nobel Aktiengesellschaft|Process and apparatus for producing a synthetic resin sheet having a colored band of varying color intensity|
    DE3239782C2|1982-10-27|1985-01-31|Dynamit Nobel Ag, 5210 Troisdorf|Device for coextruding a film with a color wedge made of an uncolored thermoplastic material|
    FR2588797B1|1985-10-18|1988-07-22|Siamp Cedap Reunies|PROCESS FOR THE MANUFACTURE OF A MULTICOLORED PLASTIC SHEET|
    DE3538116C3|1985-10-26|1993-12-23|Rehau Ag & Co|Device for the production of marbled profiles, strips, tapes or the like|
    US4923551A|1988-03-07|1990-05-08|The Dow Chemical Company|Method for the production of composite plastic film|
    US4888146A|1988-05-19|1989-12-19|Dandeneau James V|Method and apparatus of forming extruded article|
    DE9007494U1|1990-03-07|1992-02-20|W. Doellken & Co. Gmbh, 4300 Essen, De|
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    US5066444A|1990-07-05|1991-11-19|Dowbrands Inc.|Process and apparatus for reducing color contamination in the process recycle of zippered thermoplastic bags|
    US5110530A|1990-09-07|1992-05-05|W. R. Grace & Co.-Conn.|Striped film method|
    US5648104A|1991-01-17|1997-07-15|The University Of Manchester Institute Of Science And Technology|Extrusion die|
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    FR2697774B1|1992-11-10|1994-12-23|Albert Plastiques|Flat die for the extrusion of plastic film, sheet or plate.|
    US5516273A|1994-09-06|1996-05-14|Minnesota Mining And Manufacturing Company|Die for extruding a fluid stream|
    JP2928108B2|1994-11-17|1999-08-03|三菱レイヨン株式会社|Apparatus and method for manufacturing composite resin sheet|
    AU2564797A|1996-04-02|1997-10-22|Dening Yang|Stereo ceramic granite and marble|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE2622289A|DE2622289C3|1976-05-19|1976-05-19|Apparatus for extruding a patterned sheet of thermoplastics|
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