Apparatus for inspecting mechanical strength of bottom portions

Details Apparatus for inspecting mechanical strength of bottom portions Apparatus for inspecting mechanical strength of bottom portions

1992-10-05

1994-02-22

Raevis, Robert

Measuring and testing

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

By loading of specimen

G01N 310

Patent

active

052877507

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 an 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.

REFERENCES:
patent: Re31993 (1985-10-01), Wesch, Jr.
patent: 3616685 (1971-11-01), Strom
patent: 3628379 (1971-12-01), Babunovic
patent: 3832892 (1974-09-01), Bohl
patent: 3835698 (1974-09-01), Zappia
patent: 3955408 (1976-05-01), Northup
patent: 4923655 (1990-05-01), Oshima et al.
patent: 4965107 (1990-10-01), Oshima et al.
patent: 5063779 (1991-11-01), Landry et al.
patent: 5197335 (1993-03-01), Yamada et al.
Patents Abstracts of Japan, vol. 8, No. 248 (P-313) (1685) Nov. 14, 1984 and JP-59 120 936 (Yamamura Glass) Jul. 12, 1984.

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