Apparatus for inspecting mechanical strength of bottom portions of bottom-closed hollow pipes
AssigneeNGK Insulators, Ltd.
InventorsSatoru Yamada, Koji Tanaka
Life of this patent
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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.
Claims7
A bottom strength-inspecting system for bottom-closed hollow pipes, said system comprising an air chuck for holding an outer peripheral surface of the bottom-closed hollow pipe, and a pressing means for contacting and pressing by given forces a bottom surface of the bottom-closed hollow pipe, said pressing means being longitudinally coaxially provided with the air chuck and being longitudinally axially movable with respect to the bottom-closed hollow pipe while said bottom-closed hollow pipe is held longitudinally axially stationary by the air chuck, said pressing means comprising an elastic pressing element.
Dependencies are inferred from the claim text.