Heat shrinkable film tube and method for manufacturing hollow composite parts
US10293552B2 · kind B2 · utility
0Cited by
6References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2015 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | Sep 18, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/3076
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A film tube installed and sealed in a hollow composite part acts as an internal vacuum bag that eliminates the need for an internal mandrel to react compaction forces applied by autoclave pressure during curing of the part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.