Manufacture of plastic products
US4957671A · kind A · utility
6Cited by
8References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 11, 1985 |
| Grant date | Sep 18, 1990 |
| Priority date | — |
| Expiry date | Jun 11, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2905/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for manufacturing plastic products from moldable plastic materials, involving the efficient use of a press and a mold is disclosed. The method includes heating the press and the mold to a temperature above the melt temperature of the plastic material, with the mold then being removed from contact with the press and with the press being applied to a replicate mold. The press is utilized so as not to apply pressure to the plastic material and the mold is preferably formed of a light weight material having high heat conductivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.