EP1559819A1 - Platinen für Rundstrickmaschine für Polware - Google Patents

Platinen für Rundstrickmaschine für Polware Download PDF

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Publication number
EP1559819A1
EP1559819A1 EP04001385A EP04001385A EP1559819A1 EP 1559819 A1 EP1559819 A1 EP 1559819A1 EP 04001385 A EP04001385 A EP 04001385A EP 04001385 A EP04001385 A EP 04001385A EP 1559819 A1 EP1559819 A1 EP 1559819A1
Authority
EP
European Patent Office
Prior art keywords
sinker
yarn
circular knitting
section
end surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04001385A
Other languages
English (en)
French (fr)
Other versions
EP1559819B1 (de
Inventor
Ping-Shih Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pai Lung Machinery Mill Co Ltd
Original Assignee
Pai Lung Machinery Mill Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pai Lung Machinery Mill Co Ltd filed Critical Pai Lung Machinery Mill Co Ltd
Priority to DE602004014240T priority Critical patent/DE602004014240D1/de
Priority to AT04001385T priority patent/ATE397687T1/de
Priority to EP04001385A priority patent/EP1559819B1/de
Publication of EP1559819A1 publication Critical patent/EP1559819A1/de
Application granted granted Critical
Publication of EP1559819B1 publication Critical patent/EP1559819B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/12—Circular knitting machines with independently-movable needles with provision for incorporating pile threads
    • 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
    • D04B15/06—Sinkers

Definitions

  • the present invention relates to a sinker of circular knitting machines for pile fabrics, and more particularly to a sinker for circular knitting machines that provides a yarn positioning function during the weaving process.
  • the conventional sinker 31 comprises a nose section 32, a support surface 33 being a horizontal surface disposed on the nose section 32, and when the sinker 31 draws back in the final step of the weaving process, the weaving needle 34 pulls the bottom yarn and the binding yarn of a yarn loop 35 down. Since the support surface 33 does not have an inclined angle it is difficult to maintain the angle of a plating loop when the yarn loop falls. In other words, the angle of the plating loop is changed very easily when the yarn loop falls, and thus will cause low quality of fabrics.
  • the sinker cylinder containing the sinker is rotated at a high speed for weaving. Therefore, the sinker moves back and forth in the driving path of the cam during high-speed rotation.
  • a centrifugal force is produced to give the sinker a large outwards swinging force towards the exterior of the circular knitting machine, such that a protruded plate cannot move smoothly along the driving path.
  • the contact surface and contact angle of the protruded plate and the driving path form several stress focal points which are worn repeatedly by the centrifugal force.
  • the wear between the sinker and cam shortens their lifetime, and also increasing the cost of manufacture which in turn passes to the consumer..
  • the sinker cylinder contains thousands of sinkers, operators have to examine and replace them frequently, thus seriously affecting productivity.
  • the primary objective of the present invention is to provide a sinker with a perfect plating loop whilst knitting pile fabrics.
  • a perfect angle for the plating loop can be achieved by separating the old yarn ring from the aslant surface of the nose section when the weaving needle pulls the binding yarn and the bottom yarn lower than the abdominal section of the sinker.
  • Another objective of the present invention is to provide a sinker assembly for circular knitting machines.
  • the sinker comprises a first end surface disposed at its throat section and a second end surface disposed at its abdominal section. Since the contact surface between the cam and the sinker cylinder of the circular knitting machine is designed to be aslant, therefore the sinker is installed onto the circular knitting machine with an inclined angle. After the sinker is installed, the first end surface is horizontal and the second end surface is aslant.
  • the sinker of the circular knitting machine designed with the aslant feature is redesigned according to the principle of weaving movements for operating with circular knitting machines.
  • a sinker 10 comprises a nose section 11, a protruded nose 22, a throat section 12, and an abdominal section 13; wherein the nose section 11 has an aslant surface 111; the throat section 12 has a first end surface 121; the abdominal section 13 has a second end surface 131 on one side; and a limit groove 23 is disposed between the nose section 11 and the protruded nose 22.
  • the sinker 10 is installed on the driving path 24 (which is a track disposed between the take-up cam and take-down cam for driving a weaving needle for the vertical movement of the needle) of a cam 19 of the circular knitting machine by the protruded plate 21. Since the contact surface between the cam 19 and the sinker cylinder is inclined to an angle ⁇ , therefore when the sinker 10 is installed onto the contact surface, the sinker is also inclined to an angle ⁇ , and the first end surface 121 is in a horizontal position.
  • the driving path 24 which is a track disposed between the take-up cam and take-down cam for driving a weaving needle for the vertical movement of the needle
  • FIGS. 4A ⁇ 4G for the movements of the sinker 10 and the weaving needle 14 in the weaving process
  • FIG. 4A first.
  • a weaving needle 14 pulls a yarn loop 17 composed of a binding yarn 20 and a bottom yarn 16 down (see FIG. 4B), while the sinker 10 is moving forward and the weaving needle 14 moves upwards for the take-up.
  • FIG. 4B The weaving needle 14 hooks the wool yarn 18 and prepares for the downward pulling movement. Then, the yarn loop 17 falls to the root section of the weaving needle 14, and opens a latch needle 141.
  • the weaving needle 14 pulls down the wool yarn 18 while the sinker 10 continues to move forward, such that the wool yarn 18 drives and hangs on a limit groove 23 between the nose section 11 and the protruded nose 22 of the sinker 10.
  • FIG. 4D The weaving needle 14 is protruded upward, such that the wool yarn 18 opens the latch needle 141 and casts off to fall to the bottom of the latch needle 141 of the weaving needle 14.
  • the yarn loop 17 composed of binding yarn 20 and the bottom yarn 16 at the bottom of the latch needle 141 of the weaving needle 14 (as shown in FIG. 4A) further falls downward. Then, the weaving needle 14 hooks the binding yarn 20 and prepares to pull down the binding yarn 20.
  • the wool yarn 18 and the binding yarn 20 still hook into the limit groove 23 between the nose section 11 and the protruded nose 22 of the sinker 10 after the wool yarn 18 and the binding yarn 20 are connected with each other into a string. Then, the weaving needle 14 continues to move upward to halfway, so that the wool yarn 18 and the binding yarn 20 fall to open the latch needle 141, and the weaving needle 14 hooks a bottom yarn 16, and then the yarn loop 17 falls down further.
  • the sinker 10 draws back to pull the weaving needle 14 down, and also pulls the binding yarn 20 and the bottom yarn 16 connected to the wool yarn 18 down.
  • the yarn loop 17 composed of the binding yarn 20 and the bottom yarn 16 (as shown in FIG. 4A) binds the binding yarn 20 and the bottom yarn 16 together to form the yarn loop 17.
  • the aslant surface 111 allows the yarn loop 17 to have a better angle for the plating loop.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP04001385A 2004-01-22 2004-01-22 Platinen für Rundstrickmaschine für Polware Expired - Lifetime EP1559819B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602004014240T DE602004014240D1 (de) 2004-01-22 2004-01-22 Platinen für Rundstrickmaschine für Polware
AT04001385T ATE397687T1 (de) 2004-01-22 2004-01-22 Platinen für rundstrickmaschine für polware
EP04001385A EP1559819B1 (de) 2004-01-22 2004-01-22 Platinen für Rundstrickmaschine für Polware

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04001385A EP1559819B1 (de) 2004-01-22 2004-01-22 Platinen für Rundstrickmaschine für Polware

Publications (2)

Publication Number Publication Date
EP1559819A1 true EP1559819A1 (de) 2005-08-03
EP1559819B1 EP1559819B1 (de) 2008-06-04

Family

ID=34639369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04001385A Expired - Lifetime EP1559819B1 (de) 2004-01-22 2004-01-22 Platinen für Rundstrickmaschine für Polware

Country Status (3)

Country Link
EP (1) EP1559819B1 (de)
AT (1) ATE397687T1 (de)
DE (1) DE602004014240D1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108532110A (zh) * 2017-03-01 2018-09-14 株式会社岛精机制作所 具备线圈抑制板的横编机
KR20210141692A (ko) * 2019-04-02 2021-11-23 그로츠-베케르트 카게 스티치 형성 요소 및 스티치 형성 직물 기계
EP4006221A1 (de) * 2020-11-27 2022-06-01 Precision Fukuhara Works, Ltd. Paarplatine, rundstrickmaschine mit einer paarplatine und strickverfahren zum stricken von doppelvliesstrickstoff durch eine rundstrickmaschine mit einer paarplatine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB460004A (en) * 1935-07-26 1937-01-19 Scott & Williams Inc Improved sinker and method for plating and reverse plating
US5010744A (en) * 1989-03-13 1991-04-30 Precision Fukuhara Works, Ltd. Method of constructing plating pile knit fabric and sinker therefor
EP0478855A1 (de) * 1990-10-04 1992-04-08 Precision Fukuhara Works, Ltd Verfahren zum Stricken von einem Stoff und Rundstrickmaschine zur Durchführung davon

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB460004A (en) * 1935-07-26 1937-01-19 Scott & Williams Inc Improved sinker and method for plating and reverse plating
US5010744A (en) * 1989-03-13 1991-04-30 Precision Fukuhara Works, Ltd. Method of constructing plating pile knit fabric and sinker therefor
EP0476190A1 (de) * 1989-03-13 1992-03-25 Precision Fukuhara Works, Ltd Verfahren zur Herstellung plattierter Polstrickware und Platine dafür
EP0478855A1 (de) * 1990-10-04 1992-04-08 Precision Fukuhara Works, Ltd Verfahren zum Stricken von einem Stoff und Rundstrickmaschine zur Durchführung davon

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108532110A (zh) * 2017-03-01 2018-09-14 株式会社岛精机制作所 具备线圈抑制板的横编机
KR20210141692A (ko) * 2019-04-02 2021-11-23 그로츠-베케르트 카게 스티치 형성 요소 및 스티치 형성 직물 기계
JP2022528537A (ja) * 2019-04-02 2022-06-14 グロツ－ベッケルト カーゲー ステッチ形成要素及びステッチ形成繊維機械
EP4006221A1 (de) * 2020-11-27 2022-06-01 Precision Fukuhara Works, Ltd. Paarplatine, rundstrickmaschine mit einer paarplatine und strickverfahren zum stricken von doppelvliesstrickstoff durch eine rundstrickmaschine mit einer paarplatine

Also Published As

Publication number Publication date
ATE397687T1 (de) 2008-06-15
EP1559819B1 (de) 2008-06-04
DE602004014240D1 (de) 2008-07-17

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