Process and apparatus for forming plastic articles
US6355197B1 · kind B1 · utility
9Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1999 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Aug 20, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C45/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
At least one mold is provided having a mold cavity and a mold gate communicating with the mold cavity, an injection nozzle for feeding molten plastic material to the injection mold having a nozzle outlet in line with the mold gate, and a thin movable valve gating arrangement positioned between the mold gate and nozzle outlet having an orifice therein permitting and shutting off flow of molten plastic from the nozzle to the mold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.