Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Reexamination Certificate
2008-02-21
2010-06-22
Caputo, Lisa M (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
Reexamination Certificate
active
07739918
ABSTRACT:
The present invention provides a testing apparatus and method for testing the adhesion of a coating to a surface. The invention also includes an improved testing button or dolly for use with the testing apparatus and a self aligning button hook or dolly interface on the testing apparatus. According to preferred forms, the apparatus and method of the present invention are simple, portable, battery operated rugged, and inexpensive to manufacture and use, are readily adaptable to a wide variety of uses, and provide effective and accurate testing results. The device includes a linear actuator driven by an electric motor coupled to the actuator through a gearbox and a rotatable shaft. The electronics for the device are contained in the head section of the device. At the contact end of the device, is positioned a self aligning button hook, attached below the load cell located on the actuator shaft.
REFERENCES:
patent: 4114434 (1978-09-01), Hauser
patent: 4548083 (1985-10-01), Schuerer et al.
patent: 5795990 (1998-08-01), Gitis et al.
patent: 6584858 (2003-07-01), Miyazawa et al.
Erichsen, “Adhesion and Tensile Test Instrument” Adhesion Master 525 MC.
DeFelsko, “PosiTest Pull-Off Adhesion Tester” DeFelsko Corporation 2005.
Instron, “In-Spec 2200 Portable Testers” Instron Corporation 2003.
Huff Charles M.
LaPeyronnie Glenn M.
Caputo Lisa M
Davis Octavia
Jones, Walker, Waechter, Poitevent, Carrere & Denegre
Lockheed Martin Corporation
LandOfFree
Adhesion testing device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Adhesion testing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adhesion testing device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4241008