Apparatus for treatment of rubber and plastic wastes
US4208252A · kind A · utility
20Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 1976 |
| Grant date | Jun 17, 1980 |
| Priority date | — |
| Expiry date | May 4, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/143
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An apparatus for treatment of rubber and plastic wastes, comprising in series an extruder for heating and melting rubber and plastic wastes to extrude the molten wastes, a decomposing section for heating the molten wastes to prepare decomposed products while optionally separating residues therefrom, a dry-distilling section for gasifying the decomposed products by dry-distillation, and a cooling section for cooling the dry-distilled products to separate gaseous materials from liquid materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.