Apparatus for adhesion testing of coatings
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United States of America Patent
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May 6, 1986
Grant Date -
N/A
app pub date -
Nov 7, 1984
filing date -
Nov 7, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for applying a consistently perpendicular tension force to a dolly is provided for testing of the adhesive bond strength between a coating and a substrate. The tester comprises a ram passing through an axially centered opening in a dolly bonded to the coating. Piston and cylinder means are associated with the ram and the dolly so that pressure within the piston chamber formed thereby causes the development of a tension force within the dolly which is perpendicular to the coating being tested because of its coaxially centered orientation with respect to the ram.
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