Method for measuring shear load of fastening tool

Details Method for measuring shear load of fastening tool Method for measuring shear load of fastening tool

2006-12-26

2009-12-08

Caputo, Lisa M (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Threaded fastener stress

Reexamination Certificate

active

07628079

ABSTRACT:
A method for measuring shear load of a fastening tool, which comprises the steps of: positioning an optical fiber sensor on a surface of a fastening tool to be subjected to a measurement, or within the tool but near the surface thereof, so that the optical fiber sensor is positioned along a direction of an axis the fastening tool; and measuring the shear load acting on the fastening tool on the basis of a change in an optical characteristic of the optical fiber sensor that directly corresponds to a deformation of the fastening tool when the shear load is applied to the fastening tool.

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Oyo Buturi, Applied Physics, vol. 69, No. 06, pp. 0648-0654 (2000).

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