Process for clamping, sealing, and aiding the filling of matched molds
US4165358A · kind A · utility
10Cited by
7References
6Claims
0Family size
Inventor
Key dates
| Filing date | Apr 12, 1978 |
| Grant date | Aug 21, 1979 |
| Priority date | — |
| Expiry date | Apr 12, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/78
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A technique and process for clamping, sealing and aiding in the filling of fiberglass or other types of matched low pressure molds. An air-impervious bag is placed about the male and female molds and is sealed. A vacuum is then produced within the bag in such a manner as to fix the molds firmly together while sealing the mold parting line and whereupon a predetermined amount of molding material is injected within the mold cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.