Injection molding nozzle having nose portion with heating element encircling the bore
US4911636A · kind A · utility
41Cited by
9References
1Claims
0Family size
Inventor
Key dates
| Filing date | Oct 21, 1988 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Oct 21, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49888
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An integral sprue gated injection molding nozzle having a melt bore extending centrally therethrough wherein a circular forward end portion of the electrical heating element encircles the melt bore in the nose portion to provide additional heat adjacent the gate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.