Process and apparatus for producing connections between cranksha

Details Process and apparatus for producing connections between cranksha Process and apparatus for producing connections between cranksha

1989-12-18

1992-01-14

Echols, P. W.

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

298881, 29 601, 29523, 29505, 403 31, 285100, B21K 108

Patent

active

050798367

ABSTRACT:
A process and an assembly for producing force-locking connections between tubular members inserted one into the other or for attaching elements slid onto tubular members, by permanent radial expansion of several sleeves slid into the tubular members in a coaxial arrangement. The sleeves are filled with a pressurized fluid and pistons are inserted into end apertures of the sleeves. The apertures of adjoining sleeves which face each other are closed by a single piston. Finally, by bringing the pistons closing the outwardly facing apertures of the outer sleeves closer together, the internal pressure is increased.

REFERENCES:
patent: 2770874 (1956-10-01), Lindow
patent: 4388752 (1983-06-01), Vinciguerra et al.
patent: 4750250 (1988-06-01), Maus et al.
patent: 4761870 (1988-08-01), Urano

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