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.:

US 6539776 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 01, 2003

Filed:

Jun. 18, 2001
Applicant:
Inventor:

Kenneth John Davey, Bassendean, WA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 3/02 ; G01M 3/04 ;
U.S. Cl.
CPC ...
G01M 3/02 ; G01M 3/04 ;
Abstract

Apparatus for condition monitoring the integrity of a rivet joint holding together sheets and of a structure includes a substantially fluid impervious pad for covering the heads of the rivets and an adjacent surface of the structure The pad has a first surface for placement over the rivets and the surface An inner portion of the surface is formed or otherwise configured to define a fluid flow region between the pad and the rivets /surface across which fluid can flow. The region is coupled to a constant vacuum source via a conduit and a series coupled high fluid flow impedance A transducer and display coupled in parallel across the impedance provides an indication of change in differential pressure across the high impedance which in turn provides an indication of the presence or development of a flaw in the rivets joint.


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Davey, Kenneth. (2003). Apparatus for condition monitoring of the integrity of fasteners and fastened joints (U.S. Patent No. 6539776). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6539776

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