Gas assisted injection moulding
US6821476B2 · kind B2 · utility
9Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2002 |
| Grant date | Nov 23, 2004 |
| Priority date | — |
| Expiry date | Oct 2, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Manufacture of molded polyurethane or molded polyurethane containing products, especially thermoplastic products, such as elastomers, flexible foam, and rigid foam using gas assisted injection molding. Preferred polyurethane products are thermoplastic polyurethanes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.