In-mold coating barrier for a substrate injection orifice
US7105231B2 · kind B2 · utility
4Cited by
31References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2002 |
| Grant date | Sep 12, 2006 |
| Priority date | — |
| Expiry date | May 15, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31507
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A substrate having a barrier comprising a raised rim to prevent an in-mold coating from flowing into a gate pin assembly or substrate injection inlet area wherein a substrate is injected into the mold cavity. The barrier prevents cross contamination between a substrate resin orifice and the in-mold coating. A method for isolating an injection inlet area or gate pin assembly from in-mold coatings is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.