EP2312030A1 - Fabric collection structure for fabric cutting apparatus - Google Patents
Fabric collection structure for fabric cutting apparatus Download PDFInfo
- Publication number
- EP2312030A1 EP2312030A1 EP09173107A EP09173107A EP2312030A1 EP 2312030 A1 EP2312030 A1 EP 2312030A1 EP 09173107 A EP09173107 A EP 09173107A EP 09173107 A EP09173107 A EP 09173107A EP 2312030 A1 EP2312030 A1 EP 2312030A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fabric
- rod
- collection structure
- pressing
- oil pressure
- 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.)
- Withdrawn
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Classifications
-
- 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
- D04B35/34—Devices for cutting knitted 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
- D04B15/88—Take-up or draw-off devices for knitting products
Definitions
- the present invention relates to a fabric collection structure for fabric cutting apparatus and particularly to a high-stand fabric collection structure adopted for use on a knitting machine to collect fabric cut by a fabric cutting apparatus at high speeds.
- a conventional knitting machine such as a circular knitting machine generally relies on a fabric rolling machine to roll finished knitting fabric in a bundle.
- some fabrics are cut before rolling.
- R.O.C. patent Nos. M360247 and M307018 disclose such a technique. They have a fabric cutting apparatus to cut fabric and a fabric collection means to collect the fabric.
- the fabric collection means mainly have two side chests that have two diagonal tracks located in the middle section and extended upwards to receive two ends of a fabric rolling rod, and two transverse first fabric directing shaft and second fabric directing shaft that are parallel with each other and located below the tracks.
- the first and second fabric directing shafts drive the fabric to the fabric rolling rod to be rolled. While the fabric increases gradually on the fabric rolling rod, the fabric rolling rod moves upwards along the tracks to collect the fabric.
- the primary object of the present invention is to solve the aforesaid disadvantages and provide a uniform pressure on the fabric rolling on the fabric rolling rod to form a uniform density of the rolled fabric.
- the present invention provides a fabric collection structure for fabric cutting apparatus.
- the fabric cutting apparatus splits fabric knitted by a knitting machine and has a driving means to drive the fabric collection structure to collect the fabric.
- the fabric collection structure includes a fabric rolling rod and a fabric pressing means.
- the fabric rolling rod is located axially on the fabric collection structure and driven by the driving means to rotate axially to roll the fabric.
- the fabric pressing means has a fabric spread rod and a fabric pressing rod that are also located axially on the fabric collection structure. The fabric spread rod is driven by the driving means to rotate axially to flatten the fabric split by the fabric cutting apparatus.
- the fabric pressing rod presses the fabric rolled on the fabric rolling rod and is driven by the driving means to rotate axially to drive the fabric rolling rod to roll the fabric.
- the fabric pressing rod is lifted by the fabric during fabric collection process by the increasing thickness of the fabric rolled on the fabric rolling rod.
- the fabric rolling rod rolls the fabric at a fixed position
- the fabric pressing means provides a constant downward pressure on the fabric rolled on the fabric rolling rod.
- the present invention provides the fabric at a uniform density and improves fabric collection quality of the fabric cutting apparatus.
- the present invention provides a fabric collection structure for fabric cutting apparatus that is to collect fabric at high stand and high speeds.
- the fabric cutting apparatus 50 has a cutter 51 to split fabric knitted by a knitting machine and a fabric prop rod 52 to prop the fabric.
- the fabric collection structure aims to collect the fabric, and has two side chests 1 and also includes, between them in this order from the lower side to the upper side, a driving means 10, a fabric rolling rod 20, a fabric pressing means 30 and a fabric conveying means 40.
- the fabric cutting apparatus 50 is located above the fabric conveying means 40 to split the fabric. Then the split fabric is sent to the fabric collection structure through the fabric conveying means 40.
- the driving means 10 is located between the two side chests 1 close to the bottom, and has a shaft 11 extended from the interior with two ends running into the two side chests 1.
- the fabric rolling rod 20 is axially held between the two side chests 1 close to the center.
- the fabric pressing means 30 includes arms 31 respectively pivotally located on the two side chests 1 and a first fabric spread rod 32 and a fabric pressing rod 33 that are axially located between the two arms 31.
- the fabric conveying means 40 is located between the two side chests 1 at the top, and has a second fabric spread rod 41 and a plurality of rolling rods 42 that are located axially on the two side chests 1. There are also a plurality of transmission wheels and transmission belts winding the transmission wheels in the two side chests 1.
- the driving means 10 When the driving means 10 is in operation, it drives the fabric rolling rod 20, fabric pressing means 30 and fabric conveying means 40 simultaneously.
- fabric 80 when in operation, fabric 80 is first split by the fabric cutting apparatus 50; through the rolling rods 42 and second fabric spread rod 41 of the fabric conveying means 40, the fabric 80 is directed to the fabric pressing means 30 which flatly unfolds the fabric 80 through the first fabric spread rod 32 and prevent the split fabric 80 from rolling back due to tension at two edges; next, the fabric 80 is sent to the fabric rolling rod 20 through the fabric pressing rod 33 (referring to FIG. 3A ); as the fabric rolling rod 20 rolls the fabric 80 at a fixed location, with progress of operation, the quantity of fabric 80 rolled on the fabric rolling rod 20 increases, and the fabric pressing rod 33 is in contact with the fabric 80 and lifted upwards (referring to FIG.
- the fabric collection structure of the invention further provides a control means 60 coupling with the fabric pressing means 30 to adjust the elevation thereof.
- the control means 60 includes an oil pressure buffer 61 connecting to the arm 31 of the fabric pressing means 30 and an oil pressure control box 62 to control oil pressure of the oil pressure buffer 61.
- the oil pressure control box 62 has an oil pressure control switch 63 to boost or release the oil pressure of the oil pressure buffer 61 to do adjustment desired and a pressure boosting handle 64 to boost the oil pressure of the oil pressure buffer 61.
- the oil pressure control switch 63 is opened to release the oil pressure of the oil pressure buffer 61 so that the fabric 80 can lift and move the fabric pressing rod 33 (referring to FIG. 5A ).
- the invention further provides a safety means 70 on the moving path of the fabric pressing means 30 lifted by the fabric 80.
- the safety means 70 includes a swivelable rod 71 hinged in the side chest 1 and an elastic element 73 connected to the side chest 1 and the swivelable rod 71.
- the swivelable rod 71 has a trigger switch 72 located thereon.
- the present invention provides the fabric rolling rod 20 to rotate axially at a fixed location to roll the fabric 80, and the fabric pressing means 30 to press the fabric 80 rolled on the fabric rolling rod 20.
- the fabric pressing means 30 is lifted upwards with increasing thickness of the fabric 80.
- a constant downward pressure is applied on the fabric 80 rolled on the fabric rolling rod 20 to achieve a uniform density of the fabric 80.
- fabric collection quality of the fabric cutting apparatus 50 improves.
- a fabric collection structure for a fabric cutting apparatus which splits fabric 80 knitted by a knitting machine and has a driving means 10 to drive the fabric collection structure to collect the fabric 80.
- the fabric collection structure mainly includes a fabric rolling rod 20 and a fabric pressing means 30.
- the fabric pressing means 30 has a fabric spread rod 32 and a fabric pressing rod 33.
- the driving means 10 drives the fabric rolling rod 20, fabric spread rod 32 and fabric pressing rod 33 to rotate.
- the fabric 80 split by the fabric cutting apparatus is flatly unfolded by the fabric spread rod 32 and driven by the fabric pressing rod 33 to be rolled on the fabric rolling rod 20, and is pressed by the fabric pressing rod 33.
- the fabric pressing rod 33 is lifted by increasing thickness of the fabric 80 rolled on the fabric rolling rod 20 during the fabric collection process.
- the fabric rolling rod 20 rolls the fabric 80 at a fixed location.
- the fabric pressing means 30 presses the fabric 80 to control the density and a uniform fabric density is achieved. Thus fabric collection quality of the split fabric improves.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
- The present invention relates to a fabric collection structure for fabric cutting apparatus and particularly to a high-stand fabric collection structure adopted for use on a knitting machine to collect fabric cut by a fabric cutting apparatus at high speeds.
- A conventional knitting machine such as a circular knitting machine generally relies on a fabric rolling machine to roll finished knitting fabric in a bundle. Depending on different fabric usage, some fabrics are cut before rolling. For instance, R.O.C. patent Nos. M360247 and M307018 disclose such a technique. They have a fabric cutting apparatus to cut fabric and a fabric collection means to collect the fabric. The fabric collection means mainly have two side chests that have two diagonal tracks located in the middle section and extended upwards to receive two ends of a fabric rolling rod, and two transverse first fabric directing shaft and second fabric directing shaft that are parallel with each other and located below the tracks. During the fabric rolling machine rolls the fabric, the first and second fabric directing shafts drive the fabric to the fabric rolling rod to be rolled. While the fabric increases gradually on the fabric rolling rod, the fabric rolling rod moves upwards along the tracks to collect the fabric.
- However, after the fabric is split the width is doubled, the weight increases during fabric rolling, and the fabric on the fabric rolling rod presses the fabric directing shafts. With the weight increased gradually, the density of the collected fabric varies. The thickness of the fabric rolled at distal ends is thinner due to a greater downward pressure during rolling. As a result, one bundle of fabric usually has only the fabric rolled at the front end meeting required density standard, and the rest of fabric does not meet requirements. Thus waste of fabric occurs.
- The primary object of the present invention is to solve the aforesaid disadvantages and provide a uniform pressure on the fabric rolling on the fabric rolling rod to form a uniform density of the rolled fabric.
- To achieve the foregoing object, the present invention provides a fabric collection structure for fabric cutting apparatus. The fabric cutting apparatus splits fabric knitted by a knitting machine and has a driving means to drive the fabric collection structure to collect the fabric. The fabric collection structure includes a fabric rolling rod and a fabric pressing means. The fabric rolling rod is located axially on the fabric collection structure and driven by the driving means to rotate axially to roll the fabric. The fabric pressing means has a fabric spread rod and a fabric pressing rod that are also located axially on the fabric collection structure. The fabric spread rod is driven by the driving means to rotate axially to flatten the fabric split by the fabric cutting apparatus. The fabric pressing rod presses the fabric rolled on the fabric rolling rod and is driven by the driving means to rotate axially to drive the fabric rolling rod to roll the fabric. The fabric pressing rod is lifted by the fabric during fabric collection process by the increasing thickness of the fabric rolled on the fabric rolling rod.
- Thus, the fabric rolling rod rolls the fabric at a fixed position, and the fabric pressing means provides a constant downward pressure on the fabric rolled on the fabric rolling rod. Compared with the conventional techniques, the present invention provides the fabric at a uniform density and improves fabric collection quality of the fabric cutting apparatus.
- The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings.
-
- FIG. 1
- is a perspective view of the invention.
- FIG. 2
- is another perspective view of the invention.
- FIGS. 3A and 3B
- are schematic views of the invention in fabric collecting conditions.
- FIG. 4
- is a perspective view of the control means of the invention.
- FIGS. 5A and 5B
- are schematic views of the control means in operating conditions.
- FIG. 6
- is a perspective view of the safety means of the invention.
- FIGS. 7A through 7D
- are schematic views of the safety means in operating conditions.
- Please refer to
FIGS. 1 and2 , the present invention provides a fabric collection structure for fabric cutting apparatus that is to collect fabric at high stand and high speeds. Thefabric cutting apparatus 50 has acutter 51 to split fabric knitted by a knitting machine and afabric prop rod 52 to prop the fabric. The fabric collection structure aims to collect the fabric, and has twoside chests 1 and also includes, between them in this order from the lower side to the upper side, a driving means 10, afabric rolling rod 20, afabric pressing means 30 and a fabric conveying means 40. Thefabric cutting apparatus 50 is located above the fabric conveying means 40 to split the fabric. Then the split fabric is sent to the fabric collection structure through the fabric conveying means 40. - The driving means 10 is located between the two
side chests 1 close to the bottom, and has ashaft 11 extended from the interior with two ends running into the twoside chests 1. Thefabric rolling rod 20 is axially held between the twoside chests 1 close to the center. Thefabric pressing means 30 includesarms 31 respectively pivotally located on the twoside chests 1 and a first fabric spreadrod 32 and afabric pressing rod 33 that are axially located between the twoarms 31. The fabric conveying means 40 is located between the twoside chests 1 at the top, and has a second fabric spreadrod 41 and a plurality ofrolling rods 42 that are located axially on the twoside chests 1. There are also a plurality of transmission wheels and transmission belts winding the transmission wheels in the twoside chests 1. When the driving means 10 is in operation, it drives thefabric rolling rod 20, fabric pressing means 30 and fabric conveying means 40 simultaneously. - Referring to
FIGS. 3A and3B , when in operation,fabric 80 is first split by thefabric cutting apparatus 50; through therolling rods 42 and second fabric spreadrod 41 of the fabric conveying means 40, thefabric 80 is directed to thefabric pressing means 30 which flatly unfolds thefabric 80 through the first fabric spreadrod 32 and prevent thesplit fabric 80 from rolling back due to tension at two edges; next, thefabric 80 is sent to thefabric rolling rod 20 through the fabric pressing rod 33 (referring toFIG. 3A ); as thefabric rolling rod 20 rolls thefabric 80 at a fixed location, with progress of operation, the quantity offabric 80 rolled on thefabric rolling rod 20 increases, and thefabric pressing rod 33 is in contact with thefabric 80 and lifted upwards (referring toFIG. 3B ); due to thefabric 80 receives a constant pressure from thefabric pressing rod 33, the density of the rolledfabric 80 is uniform. Hence the problem of the conventionalfabric cutting apparatus 50 that adopts a movablefabric rolling rod 20 to roll the fabric and results in non-uniform density of thefabric 80 due to increasing pressure on thefabric 80 caused by increasing thickness of thefabric 80 can be prevented. - After the
fabric 80 is split by thefabric cutting apparatus 50, the width of thefabric 80 doubles. Hence the length of the firstfabric spread rod 32 andfabric pressing rod 33 also have to be doubled to mate the width of thesplit fabric 80. This results in a greater weight of the fabric pressing means 30 and difficulty of manual lifting, and unloading the fabric after the fabric collection operation is finished or inspecting the fabric during operation is difficult. To overcome this problem, the fabric collection structure of the invention further provides a control means 60 coupling with the fabric pressing means 30 to adjust the elevation thereof. Referring toFIG. 4 , the control means 60 includes anoil pressure buffer 61 connecting to thearm 31 of the fabric pressing means 30 and an oilpressure control box 62 to control oil pressure of theoil pressure buffer 61. The oilpressure control box 62 has an oilpressure control switch 63 to boost or release the oil pressure of theoil pressure buffer 61 to do adjustment desired and apressure boosting handle 64 to boost the oil pressure of theoil pressure buffer 61. Referring toFIGS. 5A and5B , during fabric collection process, the oilpressure control switch 63 is opened to release the oil pressure of theoil pressure buffer 61 so that thefabric 80 can lift and move the fabric pressing rod 33 (referring toFIG. 5A ). When the fabric collection process is finished and the fabric has to be unloaded or fabric inspection is needed during operation, wrench the oilpressure control switch 63 tightly to boost the pressure of theoil pressure buffer 61 and press the handle downwards to further increase the pressure of theoil pressure buffer 61, and turn thearm 31 upwards to move thefabric pressing rod 33 away from thefabric 80, the fabric can be unloaded or inspected (referring toFIG. 5B ). Thus the fabric pressing means 30 can be lifted without relying a lot of manpower and manual operation is easier. - When the
fabric 80 rolled on thefabric rolling rod 20 increases gradually, thearm 31 is turned pivotally at a greater angle and could hit thefabric conveying means 40 above. To prevent such a problem from happening, the invention further provides a safety means 70 on the moving path of the fabric pressing means 30 lifted by thefabric 80. Referring toFIG. 6 , the safety means 70 includes aswivelable rod 71 hinged in theside chest 1 and anelastic element 73 connected to theside chest 1 and theswivelable rod 71. Theswivelable rod 71 has atrigger switch 72 located thereon. Referring toFIGS. 7A through 7D , when thearm 31 is turned pivotally by excessive amount of thefabric 80 and contacts thetrigger switch 72, thetrigger switch 72 issues a signal to the driving means to stop driving operations. Meanwhile, thearm 31 butts theswivelable rod 71 to make it swiveling, and theelastic element 73 provides a buffer effect. Thus there is no need to provide manual monitoring, and an automatic stop can be achieved when the fabric collection structure is fully loaded with fabric. - As a conclusion, the present invention provides the
fabric rolling rod 20 to rotate axially at a fixed location to roll thefabric 80, and the fabric pressing means 30 to press thefabric 80 rolled on thefabric rolling rod 20. The fabric pressing means 30 is lifted upwards with increasing thickness of thefabric 80. Thus a constant downward pressure is applied on thefabric 80 rolled on thefabric rolling rod 20 to achieve a uniform density of thefabric 80. As a result, fabric collection quality of thefabric cutting apparatus 50 improves. - In summary there is disclosed a fabric collection structure for a fabric cutting apparatus which splits
fabric 80 knitted by a knitting machine and has a driving means 10 to drive the fabric collection structure to collect thefabric 80. The fabric collection structure mainly includes afabric rolling rod 20 and afabric pressing means 30. The fabric pressing means 30 has afabric spread rod 32 and afabric pressing rod 33. During fabric collection process the driving means 10 drives thefabric rolling rod 20, fabric spreadrod 32 andfabric pressing rod 33 to rotate. Thefabric 80 split by the fabric cutting apparatus is flatly unfolded by thefabric spread rod 32 and driven by thefabric pressing rod 33 to be rolled on thefabric rolling rod 20, and is pressed by thefabric pressing rod 33. Thefabric pressing rod 33 is lifted by increasing thickness of thefabric 80 rolled on thefabric rolling rod 20 during the fabric collection process. Thefabric rolling rod 20 rolls thefabric 80 at a fixed location. The fabric pressing means 30 presses thefabric 80 to control the density and a uniform fabric density is achieved. Thus fabric collection quality of the split fabric improves. - While the preferred embodiment of the invention has been set forth for the purpose of disclosure, modifications of the disclosed embodiment of the invention as well as other embodiments thereof may occur to those skilled in the art. Accordingly, the appended claims are intended to cover all embodiments which do not depart from the spirit and scope of the invention.
Claims (7)
- A fabric collection structure for a fabric cutting apparatus which splits a fabric (80) knitted by a knitting machine and has a driving means (10) to drive the fabric collection structure to collect the fabric (80), characterized by:a fabric rolling rod (20) axially located on the fabric collection structure and driven by the driving means (10) to rotate and roll the fabric (80); anda fabric pressing means (30) which has a fabric spread rod (32) and a fabric pressing rod (33) that are axially located on the fabric collection structure, the fabric spread rod (32) being driven by the driving means (10) to flatly unfold the fabric (80) split by the fabric cutting apparatus (50), the fabric pressing rod (33) pressing the fabric (80) on the fabric rolling rod (20) and driven by the driving means (10) to drive the fabric (80) to be rolled on the fabric rolling rod (20), the fabric pressing means (30) being lifted by increasing thickness of the fabric (80) rolled on the fabric rolling rod (20) during fabric collection process.
- The fabric collection structure of claim 1 further having a control means (60) coupling with the fabric pressing means (30) to adjust elevation thereof.
- The fabric collection structure of claim 2, wherein the control means (60) includes an oil pressure buffer (61) connecting to the fabric pressing means (30) and an oil pressure control box (62) to control oil pressure of the oil pressure buffer (61).
- The fabric collection structure of claim 3, wherein the oil pressure control box (62) has an oil pressure control switch (63) to boost the pressure or release the pressure of the oil pressure buffer (61).
- The fabric collection structure of claim 3, wherein the oil pressure control box (62) has a pressure boosting handle (64) to increase the pressure of the oil pressure buffer (61).
- The fabric collection structure of one of the preceding claims further having a safety means (70) located on a moving path of the fabric pressing means (30) lifted by the fabric (80), the safety means (70) having a trigger switch (72) butted by the fabric pressing means (30) to stop operation of the driving means (10).
- The fabric collection structure of claim 6, wherein the safety means (70) includes a swivelable rod (71) hinged on the fabric collection structure and an elastic element (73) connecting to the fabric collection structure and the swivelable rod (71), the fabric pressing means (30) butting the swivelable rod (71) to form buffering.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09173107A EP2312030A1 (en) | 2009-10-15 | 2009-10-15 | Fabric collection structure for fabric cutting apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09173107A EP2312030A1 (en) | 2009-10-15 | 2009-10-15 | Fabric collection structure for fabric cutting apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2312030A1 true EP2312030A1 (en) | 2011-04-20 |
Family
ID=42115995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09173107A Withdrawn EP2312030A1 (en) | 2009-10-15 | 2009-10-15 | Fabric collection structure for fabric cutting apparatus |
Country Status (1)
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EP (1) | EP2312030A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2902351A1 (en) * | 2014-01-30 | 2015-08-05 | Pai Lung Machinery Mill Co., Ltd. | Fabric rolling apparatus for circular knitting machines |
CN110983610A (en) * | 2019-12-31 | 2020-04-10 | 林飞飞 | Working method of computerized flat knitting machine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1731649A1 (en) * | 2005-06-03 | 2006-12-13 | Pai Lung Machinery Mill Co., Ltd. | High-speed high-stand fabric take-up device with uniform fabric tautness arrangement |
EP1788133A1 (en) * | 2005-11-16 | 2007-05-23 | Pai Lung Machinery Mill Co., Ltd. | A rolling and feeding structure of a fabric rolling machine |
US20090158781A1 (en) | 2007-12-20 | 2009-06-25 | Bernhard Schaut | Circular knitting machine with a rotatable blade for cutting a fabric tube |
-
2009
- 2009-10-15 EP EP09173107A patent/EP2312030A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1731649A1 (en) * | 2005-06-03 | 2006-12-13 | Pai Lung Machinery Mill Co., Ltd. | High-speed high-stand fabric take-up device with uniform fabric tautness arrangement |
EP1788133A1 (en) * | 2005-11-16 | 2007-05-23 | Pai Lung Machinery Mill Co., Ltd. | A rolling and feeding structure of a fabric rolling machine |
US20090158781A1 (en) | 2007-12-20 | 2009-06-25 | Bernhard Schaut | Circular knitting machine with a rotatable blade for cutting a fabric tube |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2902351A1 (en) * | 2014-01-30 | 2015-08-05 | Pai Lung Machinery Mill Co., Ltd. | Fabric rolling apparatus for circular knitting machines |
CN110983610A (en) * | 2019-12-31 | 2020-04-10 | 林飞飞 | Working method of computerized flat knitting machine |
CN110983610B (en) * | 2019-12-31 | 2021-10-01 | 江苏国茂纺织科技有限公司 | Working method of computerized flat knitting machine |
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