Sliding valve gate with inserts
US6398542B1 · kind B1 · utility
8Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2000 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | May 1, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C45/28
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A valve gating apparatus for injection molding including at least one shutter disposed between the gate and the cavity melt channel into a mold cavity. The shutter is removably fastened to a rail member. When the rail member is moved laterally, the shutter moves between a closed position wherein flow of melt from the nozzle into the cavity is inhibited, and an open position wherein flow of melt into the cavity is unimpeded by the shutter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.