Rotating peel fixture

Details Rotating peel fixture Rotating peel fixture

1995-08-23

1997-01-21

Chilcot, Richard

Measuring and testing

By abrasion, milling, rubbing, or scuffing

73866, 73150A, G01N 1900

Patent

active

055961339

ABSTRACT:
A U-shaped bracket has bearings holding a rotatable shaft. The shaft supps a pair of conical disks with their apexes facing each other along the shaft. Nuts are positioned along the shaft outside of the cones to position the cones. A cylindrical strength piece and a cylindrical test piece are inserted over the shaft with the test piece being outermost. The nuts tighten the disks against the test piece with the strength piece being of such a size to inhibit the disks from damaging the test piece. The bracket has an extension affixed to it that is attached to a testing machine. The cylindrical test piece is suitable for rotation and has a coating bonded to it. The testing machine peels the coating at a constant 90.degree. angle from the test piece and measures the peel strength upon the test piece being rotated.

REFERENCES:
patent: 3985026 (1976-10-01), Griffin et al.
patent: 4035938 (1977-07-01), Neilsen
patent: 4505159 (1985-03-01), Entwistle
patent: 5061124 (1991-10-01), Chen
patent: 5160053 (1992-11-01), Graham et al.

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