Hydraulically operated riveting apparatus

Details Hydraulically operated riveting apparatus Hydraulically operated riveting apparatus

1977-04-11

1978-09-26

Lanham, C.W.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

60585, 7245317, B21J 1522

Patent

active

041160363

ABSTRACT:
Hydraulic operated blind riveting apparatus includes a pneumatic/hydraulic intensifier 23 and a reservoir 45 of hydraulic fluid for making up loss of hydraulic fluid. The reservoir is connected to the hydraulic system by a quick acting priming valve 47, actuated by the pneumatic feed to the intensifier. This priming valve is arranged to open and close before there is any effective change in pressure in the hydraulic system due to the action of the intensifier.

REFERENCES:
patent: 3367166 (1968-02-01), Newton
patent: 3646757 (1972-03-01), Sanders

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