Pipe joints or couplings – Flexible joint – rigid members – Bellows
Patent
1986-08-27
1988-01-05
Callaghan, Thomas F.
Pipe joints or couplings
Flexible joint, rigid members
Bellows
285340, F16L 5102
Patent
active
047171812
ABSTRACT:
An elastic connection which functions as a compensator between two pipe ends or the like arranged at a distance from one another, consisting of a bellows body which is arranged between two counter-flanges which, on their respective end face facing the pipe end, are gripped from behind by in each case a rubber-elastic torus of the bellows body, each torus being received in an annular groove. Each counter-flange is connected to a respective flange on each pipe end. In order to make the compensator less expensive and simpler to assemble, the annular groove is formed as an annular sealing chamber which opens conically in the direction of the respective counter-flange. The annular groove, on its radially inwardly located side, is partly defined by the circumference of the respective pipe end and, when the compensator is assembled, acts upon the torus in the radial and axial directions in such a way that the latter fills the sealing chamber and bears under pressure simultaneously on the conical annular surface of the sealing chamber, the end face of the counter-flange and the circumference of the respective pipe end.
REFERENCES:
patent: 859733 (1907-07-01), Bot, Jr.
patent: 1489065 (1924-04-01), Clifton
patent: 2202492 (1940-05-01), Jacocks
patent: 2793883 (1957-05-01), Main, Jr.
patent: 3164401 (1965-01-01), Fawkes
patent: 4186949 (1980-02-01), Bartha et al.
Agintec AG
Callaghan Thomas F.
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