Sheet material
US4076879A · kind A · utility
3Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1975 |
| Grant date | Feb 28, 1978 |
| Priority date | — |
| Expiry date | Sep 25, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/675
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Upholstery material and shoe upper material made from a base sheet of criss-crossing elastomeric polyurethane fibers running parallel to the surfaces of the sheet, said fibers being bonded together at their points of contact. In one preferred form the product has a preformed skin whose thickness is less than about 100 microns and preferably less than about 50 microns, such as about 20 to 40 microns and the skin is joined to the fibers of the base sheet by spaced fingers of a binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.