Measuring and testing – With fluid pressure – Leakage
Reexamination Certificate
2007-07-28
2010-12-14
Williams, Hezron (Department: 2856)
Measuring and testing
With fluid pressure
Leakage
C264S571000, C264S040100, C436S003000
Reexamination Certificate
active
07849729
ABSTRACT:
Air leaks in a vacuum bag are detected using a leak detection film covering the inside face of the bag. The film includes a gas permeable binder carrying oxygen sensitive material that changes in physical appearance at the location of an air leak. The film may be adhered to the inside face of the bag or may form a separate membrane that is placed over a layup being molded in the bag. The film may be illuminated with light having a wavelength selected to cause the film to luminesce.
REFERENCES:
patent: 3739166 (1973-06-01), Anderson
patent: 5180046 (1993-01-01), Hutton et al.
patent: 5359887 (1994-11-01), Schwab et al.
patent: 5612492 (1997-03-01), Schwab et al.
patent: 5780721 (1998-07-01), Levens
patent: 6696690 (2004-02-01), Benne
patent: 7127950 (2006-10-01), Fonov et al.
patent: 2002/0060018 (2002-05-01), Lindsay et al.
patent: 2005/0086916 (2005-04-01), Caron
patent: 2007/0272582 (2007-11-01), Lau
patent: 2005-056391 (2005-06-01), None
patent: 2004-309379 (2003-04-01), None
patent: PCT/US2007/023455 (2006-12-01), None
Benne Michael E.
Miller Finley B.
Kolb Nathaniel
The Boeing Company
Tung & Associates
Williams Hezron
LandOfFree
Leak detection in vacuum bags does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Leak detection in vacuum bags, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Leak detection in vacuum bags will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4168324