• 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 yarn feeding and guide device for knitting machines has at least one yarn feeder, which delivers the yarn arriving from a yarn package and being supplied as needed at a predetermined tension by a yarn delivery unit or fournisseur to the needles of a row of needles. The yarn feeder is disposed in a stationary manner on the machine such that it does not contact the needles of the needle row, and yarn guide elements located in the path of the yarn are associated with it. In order to obtain gentle handling of the yarn, in particular in the vicinity of the yarn feeder, and to attain easy manipulation of the yarn feeding and guide device, the arrangement is such that the yarn feeder has at least one open yarn guide groove formed on the circumference of a yarn feeder body provided with a securing device, and the bottom of this guide groove is curved in an arc-as viewed in the direction of yarn travel-and the yarn can be deflected in this guide groove into a direction extending obliquely with respect to the needles.
    公开号:SU1429943A3
    申请号:SU843758547
    申请日:1984-07-05
    公开日:1988-10-07
    发明作者:Кюн Фальк；Бук Альфред
    申请人:Меммингер Гмбх (Фирма)；
    IPC主号:
    专利说明:

    one
    The invention relates to a yarn feeder for dressing or knitting mats with at least One yarn feeder, feeding the needles of one needle needle and thread, unwound from the reel, and in this case, the thread fed by the threading device and having a predetermined tension that is fixed on the needle and does not touch the needles of the needle row and to which the thread-guiding elements located along the thread movement path are also connected.
    The purpose of the invention is to reduce damage to the threads.
    In Fig.1 depicts the yarn feeder; Fig.2 is the same, side view; ka fig. 3 - the same, top view; wa fig. 4 - section A-A in FIG. 3; in fig. 5 - section bb in fig.Z; in fig. 6 - Device thread guide.

    WITH
    side view; figure 7 is a view In figure 6; in FIG. 8, the same, rotated 180 °; in fig. 9 is a top view of the yarn reader without guide elements; FIG. 10 - Thread guide, top view with a thread-guiding element; in fig.
    Feed driver
    dp thread-feeding device, option, side view; in fig. 12 is a view of FIG. 11; in fig. 13 is a yarn reader for the yarn feeder, optionally, side view; in fig. 14 is a section dD in FIG. FIG. 15 shows the yarn feed device with a yarn drive of FIG. 13,1-4, side view; in fig. 16 is a thread-feeding device with an image of the needle pull-out curve in the masking machine; on LA, 17 - E-E section in FIG. sixteen; in fig. 18 —the drum to the plate of the thread-feeding device connected to it, side view; in fig. 19 - the same, top view; n
    four
    Yu
    with so
    four
    with

    cm
    314
    FIG. 20 is a section of an LF in FIG. 6; in fig. 21 is a section of an AND-I in FIG. 16, {In FIGS. I and 2, a thread-giving device for a circular yashin is shown; at the same time, only one thread of the thread is shown to the only one in the hall b system, the image of spools p1-1ika is rejected.
    i On the side surface of the needle |; the cylinder 1 shows the limited pa- ters) 1) 1 edges 2 grooves 3, in which fangs 4 needles 4 that are moved in the tallomanus direction are installed, which are controlled with the help of lock wedges. Each tongue-needle 4 has a hook 5 and a fixed hinge pin 6, I On the side of the needle pull-out curve 7 (FIG. 3) there is a yarn guide 8, | in the form of a drum, which is fastened with a bracket 9 on the frame ring IO round: of the filling machine, the thread guide 8 has a partially cylindrical body of the thread guide 1 1, the cytindrical part 12 of which covers approximately 180 and is adjacent to the zone formed by two perpendicular surfaces 13. In the thread guide body 11 Complied with the basic with the longitudinal axis 14 of the installation. an aperture 15, by means of which the case of the yarn feeder 11 is fastened ka to the shoulder of an L-shaped cylindrical retaining element 9, which is non-iodinely locked in the appropriate-feem position by means of a countersunk screw 16 passing through surface 13.
    The bracket 9 is installed rotatably in the corresponding hole 1-1 and 17 of the ring frame 10 (figure 2) and locked in the appropriate position by the clamping screw 18.
    In the cylindrical zone 12, the yarn guide body 11 has two thread guides of the troughs 19 and 20, which (FIG. 4) are located in planes Inclined with respect to the longitudinal axis 14, as a result of which they have a different inclination to the longitudinal axis 14 of the yarn feeder body 11 i.e. they converge along the direction of movement of the thread to the needles 4. Each groove of the filament-facing 19 is bounded by wedge-converging surfaces 21 and the arc-curved surface 22, forming the bottom of the groove, the gunir of which is consistent with the fed thread 23,
    0
    five
    0
    five
    about
    five
    0
    five
    0
    five
    as a result, the filament of the yarn in the channels 19 or 20 is eliminated.
    On the input side of the thread on the yarn feeder 8, there is a thread guide element in the form of an open eye 24, which intersects both thread guides 19 and 20 and is made of wire that is spiral-mounted on the bracket 9. The helix allows you to move The thread guide element is along the cylindrical zone 1-1Ы 12, i.e. along the thread guides 19 and 20.
    On the path of the thread directly in front of the case of the yarn feeder 1, they are set apart from each other, —but the path of the threads, guide the yurdae of parts with a circular cross-section, which are curved; they are in the form of two endless rings 25 and 26 running along the machine’s circumference . Both coaxial rings 25 and 26, spaced from each other, are mounted, as shown in Fig. 2, on the frame of the mashina 27. They are partially entwined with two supplied threads 28 and 29 so that each thread 28 and 29 is adjacent to both rings 25 and 26 to respective opposite sides, wherein both threads 28 and 29 in the zone between the two rings are crossed and are thus kept at a distance from each other, and then introduced into the thread direction of the groove 19 and 20 of the corresponding yarn feeder 8.
    g
    Threads coming from bobbins 28 and
    29 are guided by a yarn feeder 30, which consists of a rotatable drum, around which several turns of the thread are wound, thereby ensuring that the yarn adheres to the drum without slipping the yarn. The drums of all threading devices
    30 various systems of circular machines are driven by a common toothed belt driven through a regulating transmission mechanism 31.
    Both under the desired tension from the thread-feeding device 30, threads 28 and 29 are fed through endless rings 25 and 26 to thread-sending complaints 19 and 20 of the yarn guide 8. At the same time, threads 28 and 29 on both rings 25 and 26 may slightly
    51
    fold out laterally, avoiding embedding the yarn in the ring material or undesirable deposition of fragments and fluff from the yarns.
    Both yarns 28 and 29 are guided by the curved surface 22 of the thread-aligning grooves 19 and 20 in a direction extending at an angle to the needles (Fig. 3), while the thread-guiding eye 24 on the side of the thread entering the thread yarn 8 prevents the thread from their insertion from the strands of the grooves, if even the tension of the strands is loose.
    The body of the yarn feeder 11 (FIG. 3) is located relative to the path of the needles 7 so that, on the one hand, mechanical contact between the needles 4 or their part is excluded. and that of the yarn guide 11 and that, on the other hand, the thread being fed to the cooler thread of pigs 4, serves as an open end of the neighboring needle, which moves the extension on the upward branch of the needle moving curve 7, simultaneously, on the other hand, With this tensioned section of the thread, the tongue 6 of the fully extended needles and needles 4, lowering, respectively, the branch of the path of extension of the needles 7, is held in the open
    position, while not requiring any mechanical action on the needles 4 or on the tongues of the needles 6.
    In order to ensure reliable opening of the tongues of the needles 6, they are slightly elongated, as shown in Fig. 4, a small Y-shaped space 32 is formed in the area of the thicket relative to the needle point, which, on the one hand, is limited the inside of the bowl and, on the other hand, the outside of the hook in the area of the tip of the hook. If the needles 4 are pulled out according to the branch of moving the curve of the needles 7, the thread section taut between the needle 4 and the body of the thread guide I 11 falls into this Y-shaped space 32, due to which, as the needle is further extended, the tongue 6 is forcibly transferred to the open position. .
    To do this, it is necessary that the radial position of the housing of the n1 Id bodies relative to the needle cylinder 1 is set so that
    A36
    The tensioned thread section adjoined to the front side of the hook 5 and to the rod of the needles 4.
    Upon further extension of the needle, the tensioned section of the thread rests on the open tab 6, as shown in Fig. 3, whereby the needle tab of the needle 6 during the entire process of needle movement is kept forcibly in the open position and when the needle is lowered it can only close when the thread will be enclosed in a needle hook.
    If, for example, when a thread breaks into a knitted product, it is dropped from a needle, then this leads to the fact that the tension of the thread drops. Due to this, the usually tensioned section of the thread between the needle 4 and the body of the yarn feeder 11 does not fulfill its function of opening the tabs. In order to start the process again, the underdrive is provided by the regulating transmission mechanism 31, which must be set manually so that the thread-feeding device 30 artificially increases the tension of the thread held by the needles, so that after a few turns masters, it automatically draws several rows of loops. Thereafter, the regulating gear 31 is moved back to the operating position.
    FIG. 11-15 show the embodiments of the yarn feeder 8.
    The body of the yarn feeder 8 has two semi-cylindrical zones 12, which are made with different diameters. In each circumferential zone, a guide chute 20 or -19 is provided, the base surface 2 of which has thus a different radius, which is chosen to reduce friction at the places of change of the direction of movement of the thread and during its feeding.
    In the case of the yarn feeder II (Fig. 13-15), on the semi-conical circumferential surface of the body 12, the chutes 20 and 19 are located at a distance from each other. This achieves the fact that the p-radius of curvature of the surfaces 22 of the base of the thread guides 20, 19, 19a is different from each other. While in FIG. 11,12 Both threads of equalizing grooves 19, 20 are located in planes extending at an angle, h to the longitudinal axis, have a different angle of inclination to the axis, and the thread exit yarn 20, 19 converges , 19a (Figs. 13-15) are installed in parallel planes, which are arranged perpendicular to the longitudinal axis 14, in such an inclined position of the yarn feeder body 11, both threads 28 and 29 are optimally fitted to the hooks 5 of the needles 4.
    The cases of the yarn drivers 11, shown in three forms of embedment of the yarn of the Evoditel 8, can be either integral and turned, or cast parts, They can also be composite pieces, with an atom, individual parts of 1FS can be made in the form of washers installed on the front side on the other. Thus, it is possible to take into account local crafts by replacing individual parts. -: The device is explained in the description of the rounding machine and is suitable for round knitting machines, also for flat and flat knitting machines. In the latter machines, the thread direction of the electron avents 25, 26 is not in the form of endless rings, but in the form of straight ytangs of circular cross section. The case of the yarn feeder 1 is fixed by means of the central mounting hole 15 and the cylindrical Fastening element 9 entering it.
    Other forms of fastening device (fig. 14, 15) are also possible. For this purpose, a fastening bracket 9 consisting of a flat material is provided, which is screwed to the surface 13a of the yarn feeder body 11 and is intended to be mounted on the ring of the mat bed.
    The heads of the raised needles 4 for gripping the threads of the needles 4 are located on the curve of the rising of the needles 7, forming an envelope (Fig. 16), which basically has a triangular shape, which is determined by the pushing part of the lock in the shaft machine.
    In the area of extension of the needles 7, there is also installed a yarn feeder 8, which has a cylindrical body 11, the core area 12 of which, having an angle of more than 180 °, is adjacent to the flat surface 13, which is a continuation of the section plane of the cylindrical zone 12.
    0
    5 0 5 0
    Q
    -
    g
    five
    five
    The mounting hole 15, coaxial to the longitudinal axis 14, is inserted into the mounting cylindrical element 9, which is fixed on the ring of the machine bed. The body of the yarn feeder 11 is connected to the fastening element 9 rigidly, but has the possibility of permutation. .
    In the cylindrical circumferential zone 12, the yarn feeder housing 11 has two thread guiding chutes 19 and 20, which are located in parallel perpendicular longitudinal axis 14 of the yarn feeder housing 11 planes (Fig. 17). The nitrile groove 1 9, located adjacent to the needle hooks and associated with the main thread 29, is bounded on the left side (Fig. 17) by a flat side wall 21, which is perpendicular to the longitudinal axis 14 and on which the groove with the surface 22 is located, forming its bottom. The other side wall of the groove 19 is located at an angle relative to the longitudinal axis 14.
    The second thread guide chute 20, coupled with the plating thread, is bounded by two wedge-converging side surfaces 21.
    The main thread 29 and the plating thread are led to both thread guide grooves 19 and 20 through the open eye 24, made of a piece of wire, which is mounted with the possibility of movement by means of a spiral 33 on the fastening bracket 9.
    The body of the yarn feeder 11 is planted on a side 34 protruding from the side and at an angle to the needles 4, on which it is installed in this case.
    The case of the yarn feeder 11 can be mounted on the plate 34 with the possibility of shifting around its longitudinal axis 14. As can be seen from Fig. 17, the plate 34 together with the case 11 is mounted on the fastening bracket 9.
    The plate 34 has an open recess 35, which is made in the plate 34 and is limited by a triangular-shaped frame that follows the contour of the curve of raising of the needles 7 in the area of the needles pulled out to seize the thread, as shown in FIG. 16, while between the heads of the needles 36 and the circumferential face 37, there is a small space which, even with a high speed machine, provides for the exclusion of mechanical contact between the heads of the needles 36 and the bezel.
    On the side facing the body of the yarns, the bezel 37 forms the surface 13 of the body 11 which is made in this case as a flat surface. The surface 13 in this area can be rounded according to the exact contour of the needle extension path 7.
    The framing face 37 and the surface 13 are located perpendicular to the surface of the base 38 of the recess 35 (Fig. 18), which runs at a small distance X (Fig. 17), i.e. with clearance for extended needles 4,
    In another form of implementation, the recess 35 may be designed in such a way that a planck-like edging 37 is attached to the flat film 34 or welded to it.
    The framing face 37, when viewed at a right angle to the surface of the base 38 of the recess 35, is equal to the height of the needle hook and at the same time the gap X, having between the head-Nm of the needles and the surface of the base 38,
    Accordingly, the distance perpendicular to the surface 38 between the flat side surface 21 of the guide rail 19 and the surface 38 is approximately equal to the height of the needle hooks and the gap X.
    The surface of the base 38 of the recess 35 is flat. It is also possible to do this when it is rounded and repeats the shape of the needle cylinder 1 with a radius of curvature reduced by the magnitude of X compared to the radius of qi / 1indra.
    A portion of the end surface 39 of the plate 34 (FIG. 16) passes directly in the vicinity of the edge of the needle cylinder 1, i.e. Border Edge, do not touch her. Directly at a part of the end surface 39, the plate has at its end, where the thread comes off, an inclined guide surface 40 facing the needle heads which serves the thread as a deflecting surface towards the hooks of the needles and ends above
    Needles A around the point
    41 of locking the lock (Fig. 16) with two adjoining plates 42, which are mounted in a known manner between the needles 4 on the same
    the distance around the circumference would be.
    A protrusion 43 is installed on the plate 34 (FIGS. 18-21) in the area of the surface of the base 36 of the recess 35 and located near the bottom of the needle cylinder 1, the length of which in the direction of the circumference of the needle cylinder is approximately the width of the needle pitch. In this case, it is set so that the beginning of the protrusion 43 is approximately two needles before the needle 44, which engages the thread (Fig. 16).
    The needles 4, incidental with their backs near the hook 5 to the protrusion 43, are folded in the radial direction by a predetermined amount outward, i.e. towards the portion of the thread 29 supplied to the needles, due to which a reliable npojc thread is secured to the hooks of the needles 5. The needles coming off the protrusion 43 again return to their original position (Fig. 17) due to their elasticity, therefore there is no adverse effect on looping process.
    Finally, a bevel 44 adjoining the framing face 37 (Fig. 16) is installed on the plastinum.
    With the aid of a plate 34, the surface of the base 38 of the recess 45 of which passes at a small distance X behind the needles and the shaping face of which 37 bends around a short distance of the head of the needles arranged according to the curve of the movement of the needles, the thread 29 is prevented from getting by the hooks of the needles 5. At the same time Self-cleaning of the recess 35 with the help of needles 4, as a result of which fragments of yarn and fluff cannot accumulate in the recess.
    The feeding of the yarns to the hooks of the needles 5 is the main one. There is no metal contact with the needle tabs. This eliminates the danger of deformation of the needles of the needles 6. When the loops are reset, the machine begins to automatically enter without needling the needles of the needles 6. When the needle breaks, the needle 4 left in its unfolded position automatically returns to a circular rotation position with the framing edge 37.
    权利要求:
    Claims (1)
    [1]
    Invention Formula
    1, A yarn-feeding device for dressing or knitting machines, containing at least one rigidly secured by means of a fixing element on the machine without the possibility of contact with the needles of the thread-guide ™ (gel, which feeds the threads coming from the thread with a given tension , and {) located on the path of the movement of the filaments 1 guiding elements, which is so that, in order to reduce the damage of the filaments, the filament is made in the form of a drum, iiero on its surface is located | circumferentially circumferential AO at least one groove, the basis of which is in the cross section is made in the shape of an arc, while the reporter element is fixed on the machine at an angle, ensuring the position of the thread is inclined relative to the needles. i 2, The device according to p., about tl and - giving so that the chute is arranged at an angle to the longitudinal axis of the forepus of the yarn feeder,
    I 3, the Device in PP. 1 and 2, т т - Preferred by the fact that the root of the yarn feeder has two gutters located near each other. 4. The device pop. 3, which is molded by the fact that the chutes are located in parallel planes. . .
    5. Device on PP. 3 n 4 ,. about t - L and the fact that the grooves are located at different angles to the longitudinal axis of the body of the yarn guide,
    6. The device according to claim 5, about t l and often that the grooves are made converging in the direction of unwinding of the thread. -
    7. The device according to PP, 3-6, about tl and which is so that the drum of the barrel is made conical and Leloby is located on the conical part of the drum.
    8. The device according to PP, 3-6, about tons of l and the fact that the drum is made of a composite of two coaxial Cylindrical parts with different diameters, each of which carries a groove,
    9. The device according to PP, 1-8, about tl and which is so, that the case of the yarn feeder from the entrance or you
     , five
    0 5
    d
    five
    with
    0
    the yarn has a thread assembly to hold the thread in the corresponding groove,
    10. The device according to claim 9, characterized in that the yarn guide member is designed as an open wire eye,
    P. The device according to PP. 9 and 10, characterized in that the yarn guide member is located above the chutes and with the possibility of their overlapping.
    12o The device according to a PP, characterized in that the thread guide member is mounted for movement along respective thread guide chutes,
    13, The apparatus according to claim 3-12, which is characterized by the fact that at least two elements are installed in front of the drum, having at least a partially circular cross section for separating the lines and spaced apart from each other and perpendicular to the direction of movement of the filaments,
    14, The apparatus according to claim 13, from those in which the elements for separating the filaments are made as endless rings extending along the circumference of the machine,
    15. The device according to PP.1-14, about tl y-h and y y. This is due to the fact that the chute with its limiting side surface is located in a plane adjacent to the front side of the needle hook making the movement.
    16. The device according to PP, 1-15, O T - L and often so that on the drum of the yarn feeder on the side facing the needles is located, ... a bottom plate having a recess at least partially repeating the path of movement of the needles in the zone of their ascent, while the heads of the extended needles are at some distance from the framing edge of the recess,
    17, The apparatus according to claim .15, characterized in that the framing face is perpendicular to the surface of the recess,
    18. A device according to claims, 15 to I6j, characterized in that the height of the framing face corresponds to the height of the needle hook and the distance between the heads of the needles and the surface of the recess.
     ig.u
    23
    29
    Fig.Z
    FIG.
     nineteen
    74
    FIG. AT
    AT 6
    71
    FIG. five
    & B
    Yo
    76
    P
    20 G9 FIG. 9
    .
    7 /
    Jj
    th 19 FIG.
    S go
    7ff
    yy 12
    11
    iz
    FIG. ft
    A
    yo g jga
    ITn /
    22
    2ZZ
    L
    l
    . / J
    LD
    FIG. f
    Phi1.1
    figl
    Gz
    37
    539 43
    C} ig. nineteen
    w
    lg
     22
    Gz Iggo
    // Figs.
    类似技术:
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    同族专利:
    公开号 | 公开日
    DE3324245C2|1986-03-20|
    DE3324245A1|1985-01-24|
    ES534046A0|1985-04-01|
    JPS6052660A|1985-03-25|
    IT1179005B|1987-09-16|
    GB2142939A|1985-01-30|
    ES8504287A1|1985-04-01|
    GB8417011D0|1984-08-08|
    CS524884A2|1989-05-12|
    US4688401A|1987-08-25|
    IT8453609V0|1984-07-05|
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    DD222363A5|1985-05-15|
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    GB2142939B|1987-04-01|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US130866A|1872-08-27|Improvement in knitting-machines |
    US824403A|1897-11-29|1906-06-26|Moritz Boas|Knitting-machine.|
    FR32318E|1926-04-03|1927-11-28|Mechanical motion converter|
    GB395519A|1932-07-22|1933-07-20|Oliver Herbert Walton|Machine for knitting fabric|
    US2616276A|1949-07-20|1952-11-04|Jacquard Knitting Machine Co Inc|Knitting machine for and method of plating|
    US2690313A|1951-05-26|1954-09-28|American Viscose Corp|Thread guide|
    SU111708A1|1957-05-25|1957-11-30|Е.К. Подлазов|Adaptation to a round knitting machine to turn off its press and turn on scissors when the thread is broken and tightened|
    US3245624A|1964-02-25|1966-04-12|Formica Corp|Filament winding apparatus|
    US3590601A|1967-06-27|1971-07-06|Asahi Chemical Ind|Apparatus for feeding elastic yarn to a circular knitting machine|
    US3529442A|1967-07-24|1970-09-22|Harry Harris Gelber|Rib knitting machine|
    DE2014229A1|1969-04-04|1970-10-22|Feeding yarn to a knitting machine|
    IT944796B|1970-11-16|1973-04-20|Redeco Sa|PROCEDURE AND DEVICE FOR THE FEEDING OF YARNS IN MACHINE CHINES FOR KNITWEAR|
    US3800564A|1971-10-13|1974-04-02|Pilot Res Corp|Yarn plating method and apparatus for circular knitting machines|
    DE2318966A1|1973-04-14|1974-10-24|Horst Paepke|THREAD CONVEYOR DEVICE FOR KNITTING MACHINES|
    US3918135A|1973-09-17|1975-11-11|Hercules Inc|Methods of making fabrics from synthetic tapes|
    DE2457702A1|1974-12-06|1976-06-10|Terrot Soehne & Co C|Feeder for elastic threads to circular knitting machines, etc. - magnetic foot plate positions feed roller wherever required|
    GB1536664A|1975-12-17|1978-12-20|Wildt Mellor Bromley Ltd|Combined yarn guides and latch-guards|
    SU785168A1|1977-06-07|1980-12-07|Ленинградское Машиностроительное Производственное Объединение Им. Карла Маркса|Device for feeding thread into a textile machine|DE3920408A1|1989-06-22|1991-01-03|Sipra Patent Beteiligung|Thread feeding device with at least one thread guide for a circular knitting machine|
    DE4001761C2|1990-01-23|1992-01-09|Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh, 7470 Albstadt, De|
    DE19804211A1|1998-02-03|1999-08-05|Teixits De Punt Campmany S A|Yarn guide for production of pleated knitted fabric|
    JP2002530188A|1998-11-23|2002-09-17|ゼノン、エンバイロンメンタル、インコーポレーテッド|Filtration of water using immersion membrane|
    JP2003055866A|2001-08-20|2003-02-26|Hakuryu Kikaisho Kofun Yugenkoshi|Yarn feeder structure of circular knitting machine|
    US7036342B1|2005-09-19|2006-05-02|Pai Lung Machinery Mill Co., Ltd.|Yarn feeder|
    CN100368614C|2005-11-02|2008-02-13|徐国斌|Method for knitting out half-turn X yarn half-turn Y yarn structural texture and yarn guide|
    EP2196570B1|2008-12-12|2011-04-13|Groz-Beckert KG|Circular knitting machine without holding sinkers|
    DE102009035401A1|2009-07-30|2011-02-03|Hydac Filter Systems Gmbh|filter means|
    JP2012062585A|2010-09-14|2012-03-29|Precision Fukuhara Works Ltd|Yarn guide device for off-set knitting|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE3324245A|DE3324245C2|1983-07-06|1983-07-06|Thread feed device for knitting or warp knitting machines|
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