Weft insertion knitted secondary carpet backing
US4376146A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 11, 1981 |
| Grant date | Mar 8, 1983 |
| Priority date | — |
| Expiry date | Feb 11, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23979
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A secondary carpet backing for adherence to the underside of a carpet material via an adhesive. The secondary carpet backing comprises a weft inserted knit material having a series of warp yarns forming spaced rows of warp-wise extending chain stitches, and a series of weft yarns forming spaced rows extending transversely of the series of warp yarns. The weft yarns are laid in the chain stitches and serve to interconnect adjacent rows of the warp yarns. The warp yarns have a denier in the range of 300-700 and the weft yarns have a denier in the range of 1300-2300. Such a secondary carpet backing exhibits improved adhesion characteristics when adhered to the underside of a carpet material with a conventional adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.