Injection molding nozzle wedge seal
US7918663B2 · kind B2 · utility
1Cited by
21References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2009 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Jun 10, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2045/2761
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An injection molding apparatus includes an injection molding nozzle having a nozzle body defining a channel for flow of molding material and a nozzle tip coupled to the nozzle body. The nozzle tip is shaped to define a converging gap with a mold component into which the nozzle tip is inserted during use. A seal piece having a wedge or wedge-like portion is disposed between the nozzle tip and the mold component Pressure of molding material acting on a surface of the wedge portion wedges the wedge portion into the converging gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.