Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1984-07-20
1986-08-05
Levy, Stewart J.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
G01N 300
Patent
active
046035885
ABSTRACT:
A device for gripping a specimen for applying to the same tensile or torsional strain includes two plates spaced from each other and a tubular spacer extended between the two plates and accommodating a specimen. The specimen is attached to the plates by respective nuts. One end of the specimen extended outwardly from the respective plate and nut is formed by a threaded pin, on which a pulling device for applying tensile stress onto the specimen, is set. The other end of the specimen has a square portion to which a tap wrench is applied, which, with the aid of two bolts positioned on one of the plates, applies torsional strains to the specimen.
REFERENCES:
patent: 233712 (1880-10-01), Thurston
patent: 1888755 (1932-11-01), Barr et al.
patent: 2884986 (1959-05-01), Heldenbrand
patent: 3610031 (1971-10-01), Clark et al.
patent: 4196635 (1980-04-01), Zuber et al.
Jorde Joachim
Kohnen Klaus
Niermann Hans
Krupp Koppers GmbH
Levy Stewart J.
Raevis Robert R.
Striker Michael J.
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