US2008127682A1PendingUtilityA1
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Est. expiryApr 22, 2025(expired)· nominal 20-yr term from priority
D04B 21/12D10B 2403/0311D10B 2509/08
47
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Claims
Abstract
The present disclosure describes a knit comprising at least one meshing sheet which includes at least one free chain yarn and at least one non-meshing sheet which includes at least one yarn which makes a 180 degree turn at the free chain yarn. Methods of producing the knit are also described.
Claims
exact text as granted — not AI-modified1 . A method of producing a knit comprising:
forming at least one meshing sheet and at least one non-meshing sheet, wherein the meshing sheet includes at least one free chain yarn and the non-meshing sheet includes at least one yarn which makes a 180° turn at the free chain yarn.
2 . The method of claim 1 wherein the knit comprises at least one percent of free chain yarns.
3 . The method of claim 1 wherein the meshing sheet is formed from yarns that are knitted according to a chart 1-0/0-1/1, and the non-meshing sheet is formed from yarns that are knitted according to a chart 0-0/2-2//.
4 . The method of claim 3 wherein a guide bar for the meshing sheet is drawn continuously and full, and a guide bar for the non-meshing sheet is drawn continuously and full.
5 . The method of claim 1 wherein the knit is formed using a meshing sheet and two non-meshing sheets.
6 . The method of claim 5 wherein the meshing sheet is obtained from one guide bar and each of the two non-meshing sheets is obtained from one guide bar.
7 . The method of claim 5 wherein two guide bars of the two non-meshing sheets move symmetrically in relation to one another and are offset from one another in the direction of production of the knit.
8 . The method of claim 5 wherein the yarns of the meshing sheet are knitted according to a chart 1-0/0-1//, the yarns of the first non-meshing sheet are knitted according to a chart 1-1/3-3/2-2/0-0//, and the yarns of the second non-meshing sheet are knitted according to a chart 3-3/2-2/0-0/1//.
9 . The method as claimed in claim 6 , wherein the guide bar of the meshing sheet is drawn continuously and full, the guide bar of the first non-meshing sheet is drawn continuously and 1 full, 1 empty, 3 full, 1 empty, 1 full, 3 empty, and the guide bar of the second non-meshing sheet is drawn continuously and 1 full, 1 empty.
10 . The method of claim 1 further comprising the step of subjecting the knit to a thermosetting operation.
11 . A knit comprising at least one meshing sheet which includes at least one free chain yarn and at least one non-meshing sheet which includes at least one yarn which makes a 180° turn at the free chain yarn.
12 . The knit of claim 11 wherein the free chain yarn is spaced irregularly along the knit.
13 . The knit of claim 11 wherein the free chain yarn is spaced regularly along the knit.
14 . The knit of claim 11 wherein the knit comprises at least one percent of the free chain yarn.
15 . The knit of claim 11 wherein the knit comprises at least ten percent of free chain yarns.
16 . The knit of claim 11 wherein the knit comprises a first non-meshing sheet and a second non-meshing sheet.
17 . The knit of claim 11 wherein the knit is made from yarns of at least one biocompatible material.
18 . The knit of claim 17 wherein the at least one biocompatible material is selected from polypropylene, polyester, polyamide and combinations thereof.
19 . The knit of claim 11 wherein the knit is made from a mixture of biocompatible yarns that are bioabsorbable and biocompatible yarns that are not bioabsorbable.
20 . The knit of claim 11 wherein the knit has a thickness ranging from about 0.20 mm to about 0.40 mm.
21 . The knit of claim 11 wherein the knit comprises holes having a diameter ranging from about 0.3 to about 1.5 mm.
22 . The knit of claim 11 wherein the knit is thermoset.Cited by (0)
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