Method of producing a leather-like sheet with a delicate appearance and a deluxe hand
US4190572A · kind A · utility
9Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1978 |
| Grant date | Feb 26, 1980 |
| Priority date | — |
| Expiry date | Sep 15, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24438
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method of producing a leather-like sheet having a deluxe feeling is provided comprising preparing and fully curing a leather-like sheet comprising a porous substrate consisting of a porous layer of elastomer and/or a porous layer of fibrous material and a nonporous coating layer of elastomer coated in a thickness of 0.5 to 50 .mu. on the surface of said porous substrate, crumpling said fully cured sheet in the absence of tension in a liquid medium and, then, drying the crumpled sheet at a temperature not exceeding 100.degree. C. in the absence of tension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.