System and method of detecting air leakage in a VARTM process
US7762122B2 · kind B2 · utility
17Cited by
0References
7Claims
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Assignee
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Key dates
| Filing date | Apr 30, 2007 |
| Grant date | Jul 27, 2010 |
| Priority date | — |
| Expiry date | Nov 2, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C70/44
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of detecting leakage from a preform used in a VARTM process includes providing a mold and bagging film suitable for use in the VARTM process; heating air; distributing hot air along an interface between an the bagging film and a surface of the mold; determining a temperature distribution along the interface; and using the temperature distribution to locate one or more leaks in the bagging film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.