Patent US4688403A successfully refreshed from Google Patents.
US4688403A
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Method of warp knitting
Assignee: EIDP Inc
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Filing: 1986-11-10
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Granted: 1987-08-25
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Expires: 2006-11-10
Abstract
Abstract A warp knitted fabric of elastomeric and nonelastomeric threads. The nonelastomeric threads are fed from a single warp in a pattern to the front bar while the elastomeric threads are divided into a plurality of sets from a single warp and fed to a plurality of guide bars in a pattern. The guide bars with the elastomeric threads are knit in a repeating stitch pattern having a combination of knit and laid-in stitches for each elastomeric thread.
Inventors
- 👤 Bharat J. Gajjar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:26
CPC Classifications
D; D04; D04B; D04B21/00; D04B21/14; D04B21/18
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
110 words
In a method of warp knitting that includes knitting a set of nonelastomeric threads in a knit stitch pattern from a first guide bar of a warp knitting machine and knitting a set of elastomeric threads in a knit stitch pattern from a second guide bar of the warp knitting machine; the improvement of which comprises: dividing said set of elastomeric threads into a plurality of sets of elastomeric threads and feeding said threads to a plurality of guide bars in a pattern; and knitting said plurality of guide bars in a repeating stitch pattern having a combination of a knit stitch and a laid-in stitch for each elastomeric thread.
Claim 2
Dependent Claim
110 words
In a method of warp knitting that includes knitting a set of nonelastomeric threads in a knit stitch pattern from a first guide bar of a warp knitting machine and knitting a set of elastomeric threads in a knit stitch pattern from a second guide bar of the warp knitting machine; the improvement of which comprises: dividing said set of elastomeric threads into a plurality of sets of elastomeric threads and feeding said threads to a plurality of guide bars in a pattern; and knitting said plurality of guide bars in a repeating stitch pattern having a combination of a knit stitch and a laid-in stitch for each elastomeric thread.
Claim 3
Dependent Claim
26 words
The method of claim 1, wherein there is a plurality of said laid-in stitches with one knit stitch in a repeating pattern for each elastomeric thread.
Claim 4
Dependent Claim
52 words
The method of claim 1 wherein two sets of elastomeric threads are divided from one beam, one set being fed to said second guide bar and another set being fed to a third guide bar, and knit with a (1-0, 2-2, 0-0, 2-2) and with a (0-0, 2-2, 1-0, 2-2) stitch, respectively.
Claim 5
Dependent Claim
24 words
The method of claim 1, where there is a plurality of knit stitches with a plurality of laid-in stitches pattern for each elastomeric thread.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-24 | 1991-02-23 | 1991-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-24 | 1995-02-23 | 1995-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-24 | 1999-02-23 | 1999-08-25 | $7700.00 | Window Closed / Lapsed |