Methods and apparatus for dewatering leather
US4055059A · kind A · utility
6Cited by
6References
10Claims
0Family size
Inventor
Key dates
| Filing date | Aug 20, 1976 |
| Grant date | Oct 25, 1977 |
| Priority date | — |
| Expiry date | Aug 20, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B13/28
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of, and apparatus for, dewatering leather wherein there is provided at least a first dewatering-pressure zone and to both sides and neighboring such first dewatering-pressure zone two further dewatering-pressure zones producing a lower pressure than the first dewatering-pressure zone. The two further dewatering-pressure zones together with the first dewatering-pressure zone move over the surface of the leather, and the leather, at the region of the pressure zones, is brought into pressure contact, at least at one face or side thereof, with an absorbent element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.