B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
26/88
B23P 11/00 (2006.01) B21D 39/04 (2006.01) B23P 19/00 (2006.01)
Patent
CA 1207991
ABSTRACT OF THE DISCLOSURE: An apparatus for pressing tubular parts, more particularly for pressing or nipping pipe-unions onto pipes, sleeves or hoses. The apparatus comprises a plurality of spring loaded jaws adapted to be adjusted radially, and annular piston being in operative communication with the said jaws. The piston is adapted to move hydraulically towards the jaws and also to be returned hydraulically to its neutral position. The effective area of the piston, by means of which it is returned to its neutral position, amounts to only a fraction of the piston-area which advances the piston. The end of the piston remote from the jaws engages in an annular hydraulic cylinder, the entire cross-section of the said piston, which is largest at this end, forming the effective piston-area which advances the said piston.
420872
Compat Aktiengesellschaft
Robic Robic & Associes/associates
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