Paper sorting method
US4124168A · kind A · utility
15Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1977 |
| Grant date | Nov 7, 1978 |
| Priority date | — |
| Expiry date | Feb 7, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/64
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed are method and apparatus for applying forces to a waste paper mixture programmed to procure progressive fragmentation of the respective components of the mixture; the method including the step of harvesting the resulting paper fragments at intervals when fragmentation of one component is virtually completed and fragmentation of the next commences.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.