US3838583A - Circular knitting machine - Google Patents

Circular knitting machine Download PDF

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Publication number
US3838583A
US3838583A US00236068A US23606872A US3838583A US 3838583 A US3838583 A US 3838583A US 00236068 A US00236068 A US 00236068A US 23606872 A US23606872 A US 23606872A US 3838583 A US3838583 A US 3838583A
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United States
Prior art keywords
dial
needle cylinder
loop
transfer
needle
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Expired - Lifetime
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US00236068A
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English (en)
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G Rumi
A Rumi
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Individual
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/10—Patterned fabrics or articles
    • D04B1/102—Patterned fabrics or articles with stitch pattern
    • D04B1/104—Openwork fabric, e.g. pelerine fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/02—Loop-transfer points
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/18—Dials
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D04B35/04—Latch needles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/26—Circular knitting machines with independently-movable needles for producing patterned fabrics
    • D04B9/38—Circular knitting machines with independently-movable needles for producing patterned fabrics with stitch patterns

Definitions

  • Albert Josif 5 7 ABSTRACT A circular knitting and stocking making machine for the manufacture of perforated stockings with transfer stitch patterns having a dial plate eccentric with respect to the needle cylinder and defining therewith an enlarged loop transfer zone.
  • On this plate there is provided a plurality of punches slidable in a radial direction and devices for the advancement and withdrawal of said punches so as to permit the taking up of the loop from determined needles and its discharge on to others substantially adjacent.
  • the needles slidable along the cylinder are provided below their point with means adapted to retain the loop and shaped in such a manner as to facilitate the taking up by said punches.
  • the needle cylinder is provided with cams for raising this means on the needles substantially to the level of the punches.
  • the present invention relates to a circular knitting and stocking machine for the manufacture of perforated stockings with transfer stitch pattern.
  • the main object of the present invention is to provide a circular knitting machine which, in addition to its normal operations, permits the manufacture of perforated stockings with transfer stitch pattern, which up to the present time have only been obtainable from straight bar or flat bed machines.
  • a further object of the present invention is that a common circular knitting machine may be used adapted by particular modifications for this type of manufacture so as to guarantee reliability of operation and easy setting up,
  • a further object is to provide a machine which has a high rate of production with respect to those at present in use, so allowing manufacturing cost to be considerably reduced.
  • a further object of the invention is to be able to execute 21 wide range of transfer stitch pattern on stockings for women, men and children, with yarn of different types and thicknesses.
  • the circular knitting and stocking making machine comprising a dial plate internal to, and a planetary gear external to a needle cylinder, said plate and said planetary gear being eccentric on opposite sides with respect to said cylinder, on said plate there being provided a plurality of internal punches slidable in a substantially radial direction, on said planetary gear there being provided a plurality of external punches slidable in a radial direction, and devices for the advancement and withdrawal of said internal and external punches so as to permit the taking up of the loop from determined needles and its discharge on to others substantially adjacent, said needles slidable on said cylinder being provided appreciably below their point with means adapted to retain the loop and shaped in such a manner as to facilitate said taking up by said internal and external punches, said needle cylinder being provided with cam means for raising said means on said needles substantially to the level of said punches.
  • FIG. 1 is a partially full and partially sectional view of the constituent members and driving means of the machine according to the invention
  • FIG. 2 is a'diagrammatic representation of the working positions of the needles and punches of the plate and planetary gear respectively;
  • FIG. 3 is a plan view of the dial plate according to the v which drive the external punches;
  • FIGS. 7 and 8 are lateral views of a plate punch and a planetary gear punch respectively;
  • FIG. 9 is a lateral view of a sinker of the machine according to the invention. 7
  • FIG. 10 shows the stitch discharge hook in the working position
  • FIGS. 11a, 11b, 11c, 12a, 12b, 120, 13a, 13b, 13c, are
  • FIG. 14 is an enlargement which shows indicatively the mode of operation of the external punch with respect to a needle
  • FIG. 15 shows one of the possible transfer stitch patterns obtainable by the circular machine on stockings for men, women and children.
  • the circular knitting machine comprises a needle cylinder 1, either as a single piece or composed of two portions 1a and 1b, on the external surface of which there are grooves 2 which extend over the whole of the height of the cylinder 1, and in which the needles 3, the neutral elements 4 and the selectors or jacks 5 are slidable.
  • Said needles 3 are provided with a projection or shoulder 3a placed appreciably under thehook 3b and corresponding tongue 3c, and adapted to retain the loop. Suitable undercuts 3d are provided immediately below said projection to facilitate the coupling of the internal punches 6 and external punches 7. With the needles 3 a plurality of resilient rings 3e are engaged. inserted into a suitable groove and normally provided for maintaining the needles adhering to the cylinder shell.
  • the selectors 5 are provided with teeth 8 which engage with a plurality of control means including slides 9 mounted horizontally slidable on a support 10 and arranged for driving by a drum 11 for the develop ment of the pattern.
  • the cylinder 1 comprises an internal cylindrical crown l2 and an external cylindrical crown 13, in a conventional arrangement, on which the sinkers 15 are slidably mounted in appropriate radial grooves 14.
  • said sinkers 15 are provided with an upper beak 15a, the purpose of whichis to enlarge the loop carried by the needle so as to result in a successful transfer stitch. They also comprise a tooth 15b in a known arrangement, which driven by an appropriate cam moves said sinkers forwards and backwards radially.
  • the dial plate 16 is mounted above the needle cylinder 1 and eccentrically with respect to it to define respect to the axis of theneedle cylinder 1 in the direction opposite to the transfer zone. so that the transfer zone includes an enlarged interspace extending for substantially a half of the circunference of the needle cylinder and the dial.
  • the dial 16 is provided with a sleeve 16a by which it is locked on the shaft 17, and that side of it facing downwards is shaped so as not to interfere with the radial motion of said sinkers.
  • the upper face of the plate is provided on its outside 16b with a plurality of grooves 160 for housing the punches 6, which are disposed not in the traditionally radial direction but inclined suitably in the direction contrary to the direction of rotation so as to constitute the envelope of the circumference 160' which has a radius substantially corresponding to the extent of eccentricity of said dial with respect to the needle cylinder (FIGS. 2 and 3).
  • said design gives greater reliability of operation in that it causes an inclination of the punches 6 which is particularly favourable to their insertion into the undercuts 3d in the needles 3 during the taking up of the loops. 1
  • Said cover is also provided with fins (not visible in the figure) which allow it to be fixed to the frame of the machine.
  • the cylinder 1, the plate 16 and the planetary gear 18 rotate at the same rotational speed and in the same direction. They are rotated by a single driving unit which drives each of these members separately through different paths.
  • FIG. I also shows cams 35 and 36 which cause the punches 6 of the plate to advance and return by acting on their projection 60.
  • the circular knitting machine according to the invention operates in the following manner.
  • the needles 3 can be raised. As a slide 9 driven by the drum 11 approaches, a certain number of selectors 5 are raised by way of the teeth 8, with consequent raising of the corresponding neutral elements 4 and the needles 3. (All or a part of the needles may be made to rise.)
  • the needles 3 on being raised pass from a normal working position to a position for effecting the transfer stitch, which is appreciably above the usual position.
  • the initial stage which takes place slightly before the zone marked with a. consists of raising the required needles so that the loop is disposed and rests hooked on the projection or shoulder 30 or on some other notch provided on them.
  • the sinker 15 advances and its hook 15a enters the loop. causing it to enlarge.
  • one of the two plungers relative to said needle either the internal or external one respectively, is made to advance. It enters the loop at the level of the undercut 3d provided on said needle and hooks it so that when the needle is successively returned to the normal position. the punch transports it.
  • the stitch is transferred in the forward direction from the needle B to the needle A, because the eccentricity of the plate with respect to the cylinder causes a lateral movement component so that in rotating from zone a to zone 2) the needles 3 become staggered with respect to the punches 6 by approximately one step.
  • the stitch is moved in the backward direction from the needle C to the needle D because of the opposite eccentricity of the planetary gear 18 with respect to the cylinder 1, which in rotating the cylinder 1 from zone a to zone b caused the needles 3 to become staggered with respect to the punches 7 by about one step in the opposite direction to the preceding stagger between the needles 3 and needles 3 which are formed by cross grooves inclined to the lateral surfaces of said needles, substantially as shown in FIGS. 11 to 14.
  • the machine according to the invention permits rhomboidal cross Jacquard patterns or others to be obtained.
  • FIG. 15 shows diagrammatically for demonstration purposes one of the possible patterns which can be made with said machine. It comprises a first section 37 obtained by known processes, and constituting the edge of the stocking, then a complete turn 38 of transfer stitches in the course of which all the needles concerned work alternately with the external and internal punches in transferring the loop, and then the tubular portion 39 of the stocking with an inverted V motif of transfer stitches, the branches 40 and 41 of which are obtained by making different needles operate in successive turns, said needles operating always with the external punches or internal punches according to whether the branch 40 or 41 is considered. Vertical lines are also included, each comprising two series of holes 42 and 43 obtained respectively by the external and internal punches.
  • a circular knitting machine for the manufacturing of fabrics such as stockings having transfer stitch pat tern, comprising a rotatably grooved needle cylinder, a plurality of needles each having a loop retaining shoulder and slidable within the grooves of said needle cylinder, a rotatable dial arranged above said needle cylinder and having a plurality of substantially radial grooves, said dial defining with said needle cylinder a loop transfer zone and being arranged eccentrically with respect to said needle cylinder, transfer elements slidable within the grooves of said dial for cooperation with the needles of said needle cylinder to transfer a loop from a needle to another needle in said loop transfer zone, and control means for operating said needles and said transfer elements, wherein, according to the improvement, said dial is eccentrically offset with respect to the axis of said needle cylinder in the direction opposite to said transfer zone, whereby said transfer zone includes an enlarged interspace extending for substantially a half of the circumference of the needle cylinder and the dial, and wherein the machine further comprises driving means for rotating said
  • a circular knitting machine for the manufacturing of fabrics such as stockings having transfer stitch pattern, comprising a rotatable grooved needle cylinder, a plurality of needles each having a loop retaining shoulder and slidable within the grooves of said needle cylinder, a rotatable dial arranged above said needle cylinder and control means for operating said needles.
  • the machine further comprising a grooved annular member having a diameter substantially greater than that of said needle cylinder and arranged substantially on the'same plane than said dial eccentrically with respect to said needle cylinder, said annular member having transfer elements slidable within the grooves thereof and each having hooked ends at the inside of said annular member, said circular knitting machine further comprising cam means for actuating said transfer elements of said annular member and driving means for rotating said annular member synchronously with said dial and said needle cylinder.
  • a circular knitting machine for the manufacturing of fabrics such as stockings having transfer stitch pattern comprising a rotatable grooved needle cylinder, a plurality of needles each having a loop retaining shoulder and slidable within the grooves of said needle cylinder, a rotatable dial arranged above said needle cylinder and having a plurality of substantially radial grooves, said dial defining with said needle cylinder a loop transfer zone and being arranged eccentrically offset with respect to the axis of said needle cylinder in the direction opposite to said transfer zone, whereby said transfer zone includes an enlarged interspace extending for substantially a half of the circumference of the needle cylinder and the dial, transfer elements slidable within the grooves of said dial for cooperation with the needles of said needle cylinder to transfer a loop from a needle to another needle in said loop transfer zone, driving means for rotating said dial and said needle cylinder at substantially the same rotational speed during the loop transfer operation, and control means for operating said needles and said transfer elements, said control means comprising cam means for operating said transfer

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Socks And Pantyhose (AREA)
US00236068A 1971-03-29 1972-03-20 Circular knitting machine Expired - Lifetime US3838583A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2242771 1971-03-29

Publications (1)

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US3838583A true US3838583A (en) 1974-10-01

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US00236068A Expired - Lifetime US3838583A (en) 1971-03-29 1972-03-20 Circular knitting machine

Country Status (8)

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US (1) US3838583A (zh)
BE (1) BE780590A (zh)
CS (1) CS160056B2 (zh)
DE (1) DE2214989A1 (zh)
ES (1) ES401241A1 (zh)
FR (1) FR2131425A5 (zh)
GB (1) GB1383240A (zh)
NL (1) NL7203319A (zh)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3913357A (en) * 1972-12-29 1975-10-21 Lonati Cost Mecc Dial operated stocking toe closer
US3969911A (en) * 1974-02-06 1976-07-20 Costruzioni Meccaniche Lonati Di Lonati Francesco & Figli (Ettore, Faust, Tiberio) S.N.C. Toe closer
US6085554A (en) * 1999-02-02 2000-07-11 Edelweiss Manufacturing Co., Inc. Loop transfer needle for a circular knitting machine
US6089045A (en) * 1999-02-02 2000-07-18 Edelweiss Manufacturing Co., Inc. Method and apparatus for transferring a loop from a selected needle to an adjacent needle for creating a decorative open work pattern
US6170299B1 (en) * 1999-02-02 2001-01-09 Edelweiss Manufacturing Co., Inc. Method and apparatus for transferring a loop from a selected needle to an adjacent needle for creating a decorative open-work pattern
US6230523B1 (en) * 1999-02-02 2001-05-15 Francesco Gavagnin Apollonio Loop transfer needle for a circular knitting machine
US6321578B1 (en) * 2001-02-28 2001-11-27 Francesco Gavagnin Apollonio Method and apparatus for transferring a loop from a selected needle to an adjacent needle for creating a decorative open-work pattern with no-run stitch and loop transfer knitting needle
US6539752B1 (en) * 2002-06-10 2003-04-01 Francesco Gavagnin Apollonio Fine gauge knitted fabric with open-work pattern
EP2337885A1 (en) * 2008-09-29 2011-06-29 Rumi S.r.l. Circular knitting and hosiery machine
CN102108597A (zh) * 2009-12-24 2011-06-29 山德霓股份公司 在针织机中选择针盘的针的方法和用于实施该方法的针盘
US10455885B2 (en) 2014-10-02 2019-10-29 Adidas Ag Flat weft-knitted upper for sports shoes
US10834992B2 (en) 2013-04-19 2020-11-17 Adidas Ag Shoe
US10939729B2 (en) 2013-04-19 2021-03-09 Adidas Ag Knitted shoe upper
US11044963B2 (en) 2014-02-11 2021-06-29 Adidas Ag Soccer shoe
CN113564796A (zh) * 2021-08-11 2021-10-29 浙江越发科技集团有限公司 一种袜机转动升降传动机构
US20220243370A1 (en) * 2019-06-11 2022-08-04 Santoni S.P.A. A flat part for a knitting machine and a knitting machine comprising such flat part
US11583009B2 (en) 2018-12-28 2023-02-21 Nike, Inc. Sock with lateral toe seam
US11589637B2 (en) 2013-04-19 2023-02-28 Adidas Ag Layered shoe upper
US11613832B2 (en) 2018-12-28 2023-03-28 Nike, Inc. Open toe sock with toe anchor
US11666113B2 (en) 2013-04-19 2023-06-06 Adidas Ag Shoe with knitted outer sole
US12082639B2 (en) 2012-04-13 2024-09-10 Adidas Ag Shoe upper

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108914355A (zh) * 2018-09-05 2018-11-30 诸暨市通威针织机械厂 用于袜面成孔的袜机拨针装置及其网孔袜机

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2060020A (en) * 1934-08-15 1936-11-10 Celanese Corp Production of knitted fabrics
US2188125A (en) * 1937-12-30 1940-01-23 Wigley Arthur Transfer instrument
US2677257A (en) * 1950-02-27 1954-05-04 H D Hines Dial transfer knitting needle
US3225569A (en) * 1963-04-17 1965-12-28 Solis Societa A Responsabilita Circular knitting machine having welt hooks which cooperate only with alternate needles
US3470715A (en) * 1965-08-30 1969-10-07 Richard Parthum Round knitting machine for the production of runproof stockings with a welt
US3508420A (en) * 1966-08-26 1970-04-28 Texpatent Gmbh Circular knitting machine for the manufacture of runproof stockings
US3609998A (en) * 1969-09-08 1971-10-05 Whirkmaschinenbau Karl Marx St Circular knitting machine with a pivotable half dial
US3636730A (en) * 1968-11-26 1972-01-25 Texpatent Gmbh Textile mesh and method and apparatus for its manufacture

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2060020A (en) * 1934-08-15 1936-11-10 Celanese Corp Production of knitted fabrics
US2188125A (en) * 1937-12-30 1940-01-23 Wigley Arthur Transfer instrument
US2677257A (en) * 1950-02-27 1954-05-04 H D Hines Dial transfer knitting needle
US3225569A (en) * 1963-04-17 1965-12-28 Solis Societa A Responsabilita Circular knitting machine having welt hooks which cooperate only with alternate needles
US3470715A (en) * 1965-08-30 1969-10-07 Richard Parthum Round knitting machine for the production of runproof stockings with a welt
US3508420A (en) * 1966-08-26 1970-04-28 Texpatent Gmbh Circular knitting machine for the manufacture of runproof stockings
US3636730A (en) * 1968-11-26 1972-01-25 Texpatent Gmbh Textile mesh and method and apparatus for its manufacture
US3609998A (en) * 1969-09-08 1971-10-05 Whirkmaschinenbau Karl Marx St Circular knitting machine with a pivotable half dial

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3913357A (en) * 1972-12-29 1975-10-21 Lonati Cost Mecc Dial operated stocking toe closer
US3969911A (en) * 1974-02-06 1976-07-20 Costruzioni Meccaniche Lonati Di Lonati Francesco & Figli (Ettore, Faust, Tiberio) S.N.C. Toe closer
US6085554A (en) * 1999-02-02 2000-07-11 Edelweiss Manufacturing Co., Inc. Loop transfer needle for a circular knitting machine
US6089045A (en) * 1999-02-02 2000-07-18 Edelweiss Manufacturing Co., Inc. Method and apparatus for transferring a loop from a selected needle to an adjacent needle for creating a decorative open work pattern
US6170299B1 (en) * 1999-02-02 2001-01-09 Edelweiss Manufacturing Co., Inc. Method and apparatus for transferring a loop from a selected needle to an adjacent needle for creating a decorative open-work pattern
US6230523B1 (en) * 1999-02-02 2001-05-15 Francesco Gavagnin Apollonio Loop transfer needle for a circular knitting machine
US6321578B1 (en) * 2001-02-28 2001-11-27 Francesco Gavagnin Apollonio Method and apparatus for transferring a loop from a selected needle to an adjacent needle for creating a decorative open-work pattern with no-run stitch and loop transfer knitting needle
US6539752B1 (en) * 2002-06-10 2003-04-01 Francesco Gavagnin Apollonio Fine gauge knitted fabric with open-work pattern
US6662599B1 (en) * 2002-06-10 2003-12-16 Lonati S.P.A. Fine gauge knitted fabric with open-work pattern
US20040000172A1 (en) * 2002-06-10 2004-01-01 Lonati S.P.A. Method of forming a fine gauge knitted fabric with open-work pattern
US7069751B2 (en) * 2002-06-10 2006-07-04 Lonati S.P.A. Method of forming a fine gauge knitted fabric with open-work pattern
EP2337885A1 (en) * 2008-09-29 2011-06-29 Rumi S.r.l. Circular knitting and hosiery machine
CN102108597A (zh) * 2009-12-24 2011-06-29 山德霓股份公司 在针织机中选择针盘的针的方法和用于实施该方法的针盘
CN102108597B (zh) * 2009-12-24 2014-12-31 山德霓股份公司 在针织机中选择针盘的针的方法和用于实施该方法的针盘
US12082639B2 (en) 2012-04-13 2024-09-10 Adidas Ag Shoe upper
US10834991B2 (en) 2013-04-19 2020-11-17 Adidas Ag Shoe
US11678712B2 (en) 2013-04-19 2023-06-20 Adidas Ag Shoe
US10939729B2 (en) 2013-04-19 2021-03-09 Adidas Ag Knitted shoe upper
US11896083B2 (en) 2013-04-19 2024-02-13 Adidas Ag Knitted shoe upper
US11116275B2 (en) 2013-04-19 2021-09-14 Adidas Ag Shoe
US11129433B2 (en) 2013-04-19 2021-09-28 Adidas Ag Shoe
US10834992B2 (en) 2013-04-19 2020-11-17 Adidas Ag Shoe
US11666113B2 (en) 2013-04-19 2023-06-06 Adidas Ag Shoe with knitted outer sole
US11589637B2 (en) 2013-04-19 2023-02-28 Adidas Ag Layered shoe upper
US11044963B2 (en) 2014-02-11 2021-06-29 Adidas Ag Soccer shoe
US11272754B2 (en) 2014-10-02 2022-03-15 Adidas Ag Flat weft-knitted upper for sports shoes
US11849796B2 (en) 2014-10-02 2023-12-26 Adidas Ag Flat weft-knitted upper for sports shoes
US10455885B2 (en) 2014-10-02 2019-10-29 Adidas Ag Flat weft-knitted upper for sports shoes
US11583009B2 (en) 2018-12-28 2023-02-21 Nike, Inc. Sock with lateral toe seam
US11613832B2 (en) 2018-12-28 2023-03-28 Nike, Inc. Open toe sock with toe anchor
US11779059B2 (en) 2018-12-28 2023-10-10 Nike, Inc. Sock with toe anchor
US20220243370A1 (en) * 2019-06-11 2022-08-04 Santoni S.P.A. A flat part for a knitting machine and a knitting machine comprising such flat part
CN113564796A (zh) * 2021-08-11 2021-10-29 浙江越发科技集团有限公司 一种袜机转动升降传动机构

Also Published As

Publication number Publication date
CS160056B2 (zh) 1975-02-28
GB1383240A (en) 1975-02-05
NL7203319A (zh) 1972-10-03
DE2214989A1 (de) 1972-10-12
BE780590A (fr) 1972-07-03
ES401241A1 (es) 1975-02-16
FR2131425A5 (zh) 1972-11-10

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