Upright injection-compression pressing machine for the manufacture of information carrier discs
US4427353A · kind A · utility
6Cited by
2References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 22, 1981 |
| Grant date | Jan 24, 1984 |
| Priority date | — |
| Expiry date | Dec 22, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/81
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An upright injection-compression pressing machine for the manufacture of information carrier discs, such as photograph records and video discs, has a mold clamper assembly including a pair of stamper bearing molds movable relative to each other in a vertical direction towards and away from each other, and an injector assembly mounted on the clamper assembly in alignment with the direction of the relative movement of the molds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.