Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1991-04-15
1993-03-30
Raevis, Robert
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73818, G01N 310
Patent
active
051973359
ABSTRACT:
A bottom strength-inspecting apparatus for bottom-closed hollow pipes is disclosed. This apparatus includes an air chuck 2 for holding an outer peripheral surface of the bottom-closed hollow pipe W, and a pressing elements coaxially provided with the air such as elastic pressing element 8 adapted to contact a bottom surface 9 of the bottom-closed hollow pipe W from an axially outer side of the hollow pipe and press the bottom surface by given forces.
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patent: 5063779 (1991-11-01), Landry et al.
Patent Abstracts of Japan, vol. 8, No. 248 (p-313)(1685) Nov. 14, 1984 & JP 59 120 934 (Yamamura Glass) Jul. 12, 1984.
Tanaka Koji
Yamada Satoru
NGK Insulators Ltd.
Raevis Robert
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