Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1990-02-23
1990-12-25
Myracle, Jerry W.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
G01N 332
Patent
active
049793969
ABSTRACT:
A pair of wire specimens supported within a transparent frame established by two sets of pulleys are interconnected between a common powered rotor and a pair of wire tensioning weights protectively enclosed by plastic sheathings. The wire specimens are simultaneously and cyclically displaced along direction changing paths through test medium during a testing operation terminated in response to rupture detected by sensing switches engaged by the weights.
REFERENCES:
patent: 2291086 (1942-07-01), Lessig
Clark, I. E. et al., The Development of . . . Fatiguing Fibers, J. Phys. E: ci. Instrum. vol. 12, No. 11, Nov. '79, pp. 1109-1112.
Carder James H.
Le Anh
Myracle Jerry W.
Shuster Jacob
The United States of America as represented by the Secretary of
Walden Kenneth E.
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