CN1498998A - Knitting method for jacquand pile and settling sheet for such method - Google Patents
Knitting method for jacquand pile and settling sheet for such method Download PDFInfo
- Publication number
- CN1498998A CN1498998A CNA2003101029969A CN200310102996A CN1498998A CN 1498998 A CN1498998 A CN 1498998A CN A2003101029969 A CNA2003101029969 A CN A2003101029969A CN 200310102996 A CN200310102996 A CN 200310102996A CN 1498998 A CN1498998 A CN 1498998A
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- China
- Prior art keywords
- sinker
- pile
- forming
- nose
- knitting
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- Granted
Links
- 238000009940 knitting Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 20
- 210000001331 nose Anatomy 0.000 description 45
- 239000004744 fabric Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
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
- 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
- D04B1/02—Pile fabrics or articles having similar surface features
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Knitting Of Fabric (AREA)
Abstract
A sinker (10; 20) for knitting the Jacquard pile is equipped with a sinker front part (11; 21) having at least a one-step sinker nose (12; 22) and at least a two-step sinker top (13; 23), and further with a sinker rear part (15; 25) having a controlling butt (16; 26). Further, a position (13b; 23c) of the sinker top for forming a ground loop is set to be lower than another position (13a; 23a) of the sinker top for forming a high pile loop by 0.15-0.30 mm, and the other position (23b) of the sinker top for forming a low pile loop is set to be lower than the position of the sinker top for forming the high pile loop by 0.05-0.15 mm.
Description
Technical Field
The invention relates to a knitting method for jacquard pile and a sinker for use in such a method.
Background
There are two plane positions in the method for knitting the jacquard pile, i.e., the high position and the low position, as described in the second embodiment in patent document 1 cited in the present invention. The sinker used in this embodiment has two flat sinker noses and a flat sinker top as shown in fig. 9 of patent document 1.
A knitting method of a pile fabric having less fluff on the surface of ground weave yarn is described in patent document 2 cited below. The sinker used in this method has a single flat sinker nose and two flat sinker tops as shown in fig. 2 of patent document 2.
A method for manufacturing a mesh fabric having three planes, i.e., lower, middle, and high planes, is described in patent document 3 cited below. The sinker used in this method has a single flat sinker nose and three flat sinker tops as shown in fig. 3 in patent document 3.
The three patent documents are as follows:
JP-A-1997-21042；
JP-U-1980-725；
JP-A-1985-199954。
generally, when jacquard pile knitting is performed, it is necessary to stitch the yarns at a constant rate of feed. Therefore, the yarn is fed in a stable manner by the active carrier. Problems that arise if no positive thread guide is used include ground yarn breakage, uneven ground stitch loops, plating errors and knitting defects, such as the presence of knitting rungs.
When the jacquard pile knitting machine forms pile loops, a sinker selecting mechanism moves a sinker toward the center of the knitting machine, and even if the sinker is moved to a position where pile yarns cross over a sinker nose, pile loops or sinker loops are formed on the sinker nose.
During the knitting process, as shown in fig. 1, when the needle pulls the yarn at the stitch area, it is impossible to pull the yarn from the yarn feeding side because the yarn feeding tension becomes maximum at a position which is always on the side of the yarn feeding position where the stitch cam almost always pulls the yarn. In order to relieve the resistance created when the needle descends, the yarn is returned from the needle that completed the formation of the loop in the loop area. This motion is known as the "robbing back phenomenon" and is well known to those skilled in the art. The arrow in fig. 1 indicates this robbing back movement.
The problems described below are not yet a common problem in the art. Therefore, these problems have not been investigated.
The sinker nose is higher from the loop area, which causes the pile yarn to move longer due to the back robbing phenomenon. The ground weave yarns form a sinker loop on top of the sinker. When the ground stitch yarn and the pile yarn form a double needle loop, the pile yarn interferes with the ground stitch yarn, and the ground stitch yarn is transported over a long distance due to a snatching phenomenon and in the same direction as the pile yarn. This will relax the yarn feed tension of the ground weave yarns, which is referred to as the "a case".
On the other hand, when a knitted fabric having only ground stitch loops is formed on a jacquard pile knitting machine, the sinker selector moves the sinker back to a position where pile yarns do not cross over the sinker noses. In this way, the pile yarns do not form pile loops, but form sinker loops together with the ground weave yarns on top of the sinkers.
In this case, as shown in fig. 2, since the distance from the stitch area to the sinker top is short, the pile yarn does not affect the ground weave yarn due to the robbing phenomenon less in the effect on the pile yarn than in the case of forming the pile stitch. Thus, only the yarn tension of the ground weave yarn is affected, which is referred to as the "B case".
In tests carried out by the inventors with active thread guides and sinkers with a sinker nose height of 3.2 mm, knitting processes carried out with an increased number of stitches and with an applied stitch yarn guide tension of 1 to 2 g produced a stitch yarn guide tension of 20 g in case a and a greater tension in case B. This difference in yarn guide tension tends to produce knitting defects in the fabric.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a jacquard pile fabric which can produce a fabric free from knitting defects by obtaining uniform yarn feeding tension or yarn guiding tension at knitting and pile forming positions or at knitting, low pile and high pile forming positions in knitting processing of the jacquard pile fabric.
The knitting method for forming a jacquard pile of the present invention comprises, in a first aspect, (a) a step of moving sinkers so that pile loops are formed at the tops of the sinkers at standard positions in a pile forming region; (b) a step of moving the sinker so that the top of the sinker is at a position 0.05 to 0.3 mm below the standard position in the non-pile-forming region.
The knitting method for forming a jacquard pile of the present invention comprises, in a second aspect, (a) a step of moving sinkers so that, in a high-pile knitted region, sinker tops form pile loops at standard positions; (b) a step of moving the sinker so that the top of the sinker is at a position 0.05 to 0.15 mm below the standard position in the low-pile knitted region; (c) a step of moving the sinker so that the top of the sinker is at a position 0.15 to 0.30 mm below the standard position in the plain knitting area.
The sinker for forming jacquard pile of the invention, in a first aspect, is provided with a sinker front half having in this part a sinker nose with at least one plane and a sinker top with at least two planes, and a sinker rear half with a control heel; the position of the top of the sinker for forming the loop is 0.15-0.30 mm lower than the position of the top of the sinker for forming the pile loop.
The sinker for forming a jacquard pile of the invention, in a second aspect, is provided with a sinker front half having a sinker nose with at least one plane and a sinker top with at least two planes, and a sinker rear half having a control heel; the position of the top of the sinker, which is used for forming the ground tissue coil, is 0.15-0.30 mm lower than the standard position of the top of the sinker, which is used for forming the high pile loop; the position of the top of the sinker, which is used for forming the low pile loops, is 0.05-0.15 mm lower than the standard position of the top of the sinker.
Drawings
Embodiments of the invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a front view showing a loop region when pile loops are formed on a jacquard pile knitting machine.
Fig. 2 is a front view showing a stitch area when a ground stitch is formed on a jacquard pile knitting machine.
Fig. 3 is a plan view (a) and a front view (b) of the first embodiment according to the present invention.
Fig. 4 is an enlarged view of the sinker nose and sinker top of the embodiment shown in fig. 3.
Fig. 5 is a top view (a) and a front view (b) of a second embodiment according to the present invention.
Fig. 6 is an enlarged view of the sinker nose and sinker top of the embodiment shown in fig. 5.
Description of the reference symbols
10: sinker
12: sinker nose
13: top of the sinker
13 a: upper plane
13 b: lower plane
14: sinker throat
15: the second half part
16: heel
20: sinker
21: front half part
22: sinker nose
23: top of the sinker
23 a: upper plane
23 b: midplane
23 c: lower plane
24: sinker throat
25: the second half part
26: heel
Detailed Description
In order to carry out the method of claim 1 of the present invention, the sinker of claim 3 may be used. In order to carry out the method of claim 2 of the present invention, the sinker of claim 4 may be used. The sinker according to the invention has a sinker nose which is formed on two planes.
In fig. 3, a top view (a) and a front view (b) of a sinker 10 according to a first embodiment of the invention are depicted. Fig. 4 is an enlarged view of the sinker, in which the sinker nose 12 and the sinker top 13 are depicted.
A sinker nose 12 and a sinker top 13 formed below the sinker nose 12 are formed in the front half 11 of the sinker 10. A sinker throat 14 is formed between the sinker nose 12 and the sinker top 13. In the rear half 15 of the sinker there is a heel 16 for controlling the sinker. The total length of the sinker is approximately 45 mm and the total height is approximately 10 mm. When the pile is formed, the distance between the sinker top position (standard position) 13a and the sinker nose point 12a is 2.7 mm.
The sinker is characterized in that the sinker top 13 forms two planes, the upper plane 13a being the standard position and the lower plane 13b being 0.1 mm below the standard position. The upper plane 13a extends 4.6mm from the innermost part of the sinker throat 14 to a position corresponding to the tip of the sinker nose. The lower plane 13b is located forward of the upper plane.
In fig. 5, a top view (a) and a front view (b) of a sinker 20 according to a second embodiment of the invention are depicted. Fig. 6 is an enlarged view of the sinker nose 22 and the sinker top 23 of the sinker.
The sinker noses 22 are formed in two planes 22A and 22B, and the sinker top 23 is formed below the first sinker nose 22A, which are formed in the front half 21 of the sinker 20. A sinker throat 24 is formed between the sinker nose 22 and the sinker top 23. In the rear half 25 of the sinker 20 there is a heel 26 for controlling the sinker. The total length of this sinker is approximately 45 mm and the total height is approximately 11.5 mm. The distance between the sinker top position (standard position) 23a and the highest point of the sinker nose when the pile is formed is 3.2 mm.
The sinker is characterized in that the top 23 of the sinker forms three planes, the upper plane 23a being the standard position, the median plane 23b being 0.1 mm below the standard position and the lower plane 23c being 0.2 mm below the standard position. The upper flat surface 23a extends from the innermost portion of the sinker throat 24 to a position corresponding to the tip of the second sinker nose 22B. The midplane 23B extends from a position at the top end of the second sinker nose 22B to a position corresponding to the top end of the first sinker nose 22A. The lower plane 23c is formed in front of the middle plane 23 b.
The dimensions of the embodiments of the invention including the dimensions of the first and second embodiments of the invention are shown in table 1:
TABLE 1
| Sinker nose height (millimeter) | 1.8 | 2.2 | 2.7 | 3.2 | 3.6 | 4.0 |
| Sinker top plane difference (1) (mm) | 0.05 | 0.07 | 0.10 | 0.15 | 0.20 | 0.25 |
| Sinker top plane difference (2) (mm) | 0.10 | 0.12 | 0.15 | 0.20 | 0.25 | 0.30 |
In table 1, "sinker nose height" means from the sinker top position (standard position) at which a (high) pile loop is formed to the highest position of the sinker nose.
The sinker nose may have one or two flat surfaces. For a sinker nose having one flat surface, any data in the column "sinker nose height" in the table above is the height of the sinker nose. For two planar sinker noses, any two data (in the "sinker nose height" column) may be the height of the first sinker nose and the height of the second sinker nose.
For example, if the height of the sinker nose of one plane is 3.6 mm above the standard position of the sinker top, the position of the sinker top for forming the ground tissue coil is 0.2-0.25 mm below the standard position.
In the case of the sinker noses having two planes, if the first sinker nose is 1.8 mm above the sinker top standard position and the second sinker nose is 3.6 mm above the sinker top standard position, the sinker top position for forming the ground stitch coil is formed at 0.2 to 0.25 mm below the sinker top standard position, and the sinker top position for forming the first pile loop is formed at 0.05 to 0.1 mm below the sinker top standard position.
The difference between the sinker top planes (1) and (2) each represents the tolerance of the sinker top plane with respect to the height of the sinker nose.
As is clear from patent documents 1 to 3 cited in the background section, sinker tops with two or three planes are known. However, the purpose of these known sinkers is to form large, (medium) and small piles or meshes. Although no specific data are given in the description of the difference of the planes with respect to the standard position conditions of the sinker top, it is common in the art to have two planes at the sinker top, the second plane having to be at least 0.5 mm lower, and a sinker top with three planes, the third plane having to be at least 1.0 mm lower than the standard position in order to be able to obtain the effect. The present invention differs from the prior art in that it aims to obtain a uniform yarn feed tension, with very limited plane differences from the nominal position of the sinker top.
Sinker-selecting mechanisms are also known per se in knitting processes for jacquard pile. The present invention differs from the prior art in that the sinkers used in the present invention can be individually adjusted so as to obtain a uniform feed yarn tension at each of the knitting, low-pile (low-pile) and high-pile (high-pile) forming positions.
The sinker of the present invention easily reduces the yarn feeding tension of the ground yarn by lowering the position of the top of the sinker for forming the ground stitch loop, thereby shortening the distance from the top of the sinker to the loop region. As a result, during jacquard pile knitting, uniform yarn feeding tension is obtained at the knitting and pile forming positions, or at the knitting, low pile and high pile forming positions, so that knitwear free from knitting defects can be produced.
Claims (5)
1. A knitting method for jacquard pile comprising two steps:
(a) a step of moving the sinkers so that, in the pile knitted zone, the sinker tops are in the position (23a) for forming pile loops, i.e. "standard position";
(b) a step of moving the sinker so that the top of the sinker is at a position (23c) 0.05 to 0.3 mm below the standard position in the non-pile knitted region.
2. A knitting method for jacquard pile comprising three steps:
(a) a step of moving the sinkers so that, in the high pile knitting zone, the sinker tops are in the position (23a) for forming pile loops, i.e. "standard position";
(b) a step of moving the sinkers so that, in the low-pile knitted areas, the top of the sinkers is at a position (23b) 0.05-0.15 mm below the standard position;
(c) a step of moving the sinker so that the top of the sinker is at a position (23c) 0.15 to 0.30 mm below the standard position in the plain knitting area.
3. Jacquard pile forming sinker (10, 20) provided with a sinker front half (11, 21) in which the sinker nose (12, 22) has at least one plane and a sinker top (13, 23) has at least two planes, and a sinker back half (15, 25) has a control heel (16, 26);
the position (13b, 23c) of the sinker top for forming loops other than pile loops is 0.15 to 0.30 mm lower than the position (13a, 23a) of the sinker top for forming pile loops.
4. Jacquard pile forming sinker (10, 20) provided with a sinker front half (11, 21) in which the sinker nose (12, 22) has at least one plane and a sinker top (13, 23) has at least two planes, and a sinker back half (15, 25) has a control heel (16, 26); wherein,
the position (13b, 23c) of the sinker top for forming the ground stitch loop is lower than the position (13a, 23a) of the sinker top for forming the high pile loop, i.e. the standard position, by 0.15-0.30 mm;
the position (23b) of the sinker top for forming the low pile loops is 0.05-0.15 mm lower than the standard position for the sinker top.
5. A sinker according to claim 3 or 4, wherein: the sinker nose forms two planes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP319770/2002 | 2002-11-01 | ||
| JP2002319770A JP2004149997A (en) | 2002-11-01 | 2002-11-01 | Method for knitting jacquard pile and sinker used for the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1498998A true CN1498998A (en) | 2004-05-26 |
| CN100396833C CN100396833C (en) | 2008-06-25 |
Family
ID=32105406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101029969A Expired - Fee Related CN100396833C (en) | 2002-11-01 | 2003-10-31 | Knitting method for jacquand pile and settling sheet for such method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2004149997A (en) |
| CN (1) | CN100396833C (en) |
| DE (1) | DE10349845A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1876923B (en) * | 2005-06-06 | 2012-06-27 | 株式会社福原精机制作所 | Sinker for loop knitting and its triangle and round knitting frame containing same |
| CN115074897A (en) * | 2021-03-10 | 2022-09-20 | 株式会社岛精机制作所 | Knitting method of pile fabric knitted by flat knitting machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024034491A (en) * | 2022-08-31 | 2024-03-13 | 株式会社島精機製作所 | Flat-knitting machine for forming pile and pile formation method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB902171A (en) * | 1957-08-10 | 1962-07-25 | Max Nebel | Improvements in and relating to the manufacture of stockings |
| JPS60199954A (en) * | 1984-03-19 | 1985-10-09 | 株式会社福原精機製作所 | Production of mesh knitted fabric and sinker used therein |
| US5511393A (en) * | 1995-02-22 | 1996-04-30 | Hu; Chao-San | Sinker system for knitting face-loop and reverse-loop fabrics as well as face-loop jacquard and reverse-loop jacquard fabrics |
| JP3540448B2 (en) * | 1995-07-04 | 2004-07-07 | 株式会社福原精機製作所 | Knitting tool controller in circular knitting machine |
| US6105402A (en) * | 1995-10-24 | 2000-08-22 | Lee; Kyung-Mok | Design of sinker and sinker cam shape for a circular knitting machine and method for patterning fabric with the combination of an actuator and these newly designed tools |
| CN2261437Y (en) * | 1996-03-13 | 1997-09-03 | 永基机械股份有限公司 | Sinker of knitting machine |
| DE19822861C2 (en) * | 1998-05-22 | 2001-05-17 | Sipra Patent Beteiligung | Circuit board for a circular knitting machine and a suitable selection device |
| US6176107B1 (en) * | 1999-05-27 | 2001-01-23 | Monarch Knitting Machinery Corp. | Circular knitting machine with replaceable member for restricting vertical movement of sinkers |
| CN2443975Y (en) * | 2000-10-13 | 2001-08-22 | 陈鹤寿 | Sinker for double faced terry of braider with round kniting needle |
| CN1162575C (en) * | 2001-02-23 | 2004-08-18 | 佰龙机械厂股份有限公司 | Double-sided towelling cloth and upper needle dial filling-in sheet structure of tubular knitting machine |
-
2002
- 2002-11-01 JP JP2002319770A patent/JP2004149997A/en active Pending
-
2003
- 2003-10-25 DE DE2003149845 patent/DE10349845A1/en not_active Ceased
- 2003-10-31 CN CNB2003101029969A patent/CN100396833C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1876923B (en) * | 2005-06-06 | 2012-06-27 | 株式会社福原精机制作所 | Sinker for loop knitting and its triangle and round knitting frame containing same |
| CN115074897A (en) * | 2021-03-10 | 2022-09-20 | 株式会社岛精机制作所 | Knitting method of pile fabric knitted by flat knitting machine |
| CN115074897B (en) * | 2021-03-10 | 2024-04-16 | 株式会社岛精机制作所 | Method for knitting pile knit fabric knitted by flat knitting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100396833C (en) | 2008-06-25 |
| JP2004149997A (en) | 2004-05-27 |
| DE10349845A1 (en) | 2004-05-13 |
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