Leather softening machines
US4051701A · kind A · utility
0Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1976 |
| Grant date | Oct 4, 1977 |
| Priority date | — |
| Expiry date | Nov 22, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC14B1/40
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A machine for processing flat, flexible articles, such as leather, to soften them. The machine utilizes a pair of opposed undulating surfaced processing members having an advance and return movement superimposed on an up and down movement. The opposed processing members are disposed on each side of the article to be processed, and soften the article, as well as move the article along between the processing members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.