Sheet moulding compound (SMC) with ventilating structure for entrapped gases
US7179517B2 · kind B2 · utility
8Cited by
4References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2003 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Apr 3, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/674
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Moulding material comprising a core layer, a reinforcement layer provided on each surface of said core layer, and a layer of a surfacing material provided on a reinforcement layer. The core layer comprises a core resin material and a filler material. The reinforcement layer comprises a fibrous reinforcement material and a reinforcement resin material. The reinforcement layer further comprises a conduit to allow gases to pass out of the moulding material via the reinforcement layer during processing of the moulding material whereby the conduit structure is formed by said reinforcement material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.