Method and apparatus for cleaning contaminants from plastics
US5443652A · kind A · utility
12Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1994 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Jan 31, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S241/38
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for the cleaning of plastic flakes to be recycled. Water is added to the plastic flakes and high shear agitator is provided so that dirt, paper and other contamination are removed from the surface of the plastic flakes. The contaminant containing water is then separated from the cleaned plastic flakes. Batch and continuous embodiments of the present invention are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.