Method and apparatus for preconditioning laminated paper for recycling
US4385997A · kind A · utility
9Cited by
10References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 1980 |
| Grant date | May 31, 1983 |
| Priority date | — |
| Expiry date | Jan 21, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/64
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is method and apparatus including a tank in which shredded corrugate is immersed and shuffled in a solvent fluid capable of attacking and weakening the adhesive bonding the core ply from the liner plies; said corrugate being advanced from its entry point into the tank to an exit point therefrom at a timed rate to limit its absorption of the solvent fluid prior to its transfer to delaminating apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.