Patent EP0340867A2 successfully refreshed from Google Patents.
Patent US5370757A successfully refreshed from Google Patents.
US5370757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing substantially 100% nylon 6 carpet
Assignee: Honeywell International Inc
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Filing: 1991-08-30
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Granted: 1994-12-06
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Expires: 2011-08-30
Abstract
Abstract A process for manufacturing substantially 100% nylon 6 carpet provides a nylon 6 face yarn to a nylon 6 support means so that the yarn and the support means form a carpet having a face side which is displayed when the carpet is installed and a back that binds the face yarn to the support means wherein said binding is with molten or dissolved nylon 6.
Inventors
- 👤 Thomas F. Corbin
- 👤 Otto M. Ilg
- 👤 Robert N. Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:32
CPC Classifications
A; A47; A47G; A47G27/00; A47G27/04; A47G27/0406; A47G27/0418; D; D06; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0076; D06N2201/00; D06N2201/02; D06N2201/0263; D06N2203/00; D06N2203/06; D06N2203/065; D06N2205/00; D06N2205/04; D06N2205/10; D06N2207/00; D06N2207/12; D06N2207/123; D06N2209/00; D06N2209/16; D06N2209/1628; D06N2213/00; D06N2213/02; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T428/23993; Y10T428/24; Y10T428/24008; Y10T428/24017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A process for manufacturing substantially 100% nylon 6 carpet, comprising: a) weaving a nylon 6 face yarn into a nylon 6 support means so that the yarn and the support means form an unbound carpet having a face side which is displayed when the carpet is installed and a back; and b) then passing the unbound carpet over a textured calendar roll such that the unbound carpet and the textured calendar roll contact each other at spots and spot melting nylon 6 at the spots where the textured calendar roll contacts the unbound carpet to bind the face yarn to the support means and form a bound carpet which is substantially 100% nylon 6 wherein said textured calendar roll is maintained at a temperature sufficient to spot melt nylon 6 at said spots where the calendar roll contacts the unbound carpet.
Claim 2
Dependent Claim
141 words
A process for manufacturing substantially 100% nylon 6 carpet, comprising: a) weaving a nylon 6 face yarn into a nylon 6 support means so that the yarn and the support means form an unbound carpet having a face side which is displayed when the carpet is installed and a back; and b) then passing the unbound carpet over a textured calendar roll such that the unbound carpet and the textured calendar roll contact each other at spots and spot melting nylon 6 at the spots where the textured calendar roll contacts the unbound carpet to bind the face yarn to the support means and form a bound carpet which is substantially 100% nylon 6 wherein said textured calendar roll is maintained at a temperature sufficient to spot melt nylon 6 at said spots where the calendar roll contacts the unbound carpet.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-12-05 | 1998-06-06 | 1998-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-12-05 | 2002-06-06 | 2002-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-12-05 | 2006-06-06 | 2006-12-06 | $7700.00 | Window Closed / Lapsed |