The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 2015
Filed:
May. 13, 2013
Applicant:
The Boeing Company, Chicago, IL (US);
Inventors:
Finley B. Miller, Huntington Beach, CA (US);
Michael E. Benne, St. Paul, MO (US);
Assignee:
THE BOEING COMPANY, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 3/34 (2006.01); G01M 3/04 (2006.01); G01M 3/22 (2006.01); G01M 3/38 (2006.01);
U.S. Cl.
CPC ...
G01M 3/04 (2013.01); G01M 3/227 (2013.01); G01M 3/38 (2013.01);
Abstract
Air leaks in a seal beneath a vacuum bag are detected using a leak detection film inside the vacuum bag. The film includes a gas permeable binder and a gas sensitive material held in the binder. The gas sensitive material has at least one visual characteristic that changes in the presence of gas entering the vacuum bag through a leak in the seal.