Molding of composite plastics products
US4877562A · kind A · utility
7Cited by
15References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 8, 1987 |
| Grant date | Oct 31, 1989 |
| Priority date | — |
| Expiry date | May 8, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/251
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention provides a method of molding a plastics material comprising the steps of placing the material with a quantity of an appropriate catalyst in granular (including powdered) form into a hollow mold shell; suspending the mold in a mounting system enabling rotation in a plurality of directions whereby the powdered material, together with the catalyst, is able to flow over all the interior surfaces; containing the mold and mounting system within an oven and heating the mold therein while rotating the same; cooling the mold and subsequently withdrawing the molded article therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.