High pressure coupling apparatus

Details High pressure coupling apparatus High pressure coupling apparatus

1980-12-29

1982-01-19

Footland, Lenard A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277207A, 277215, F16J 1502

Patent

active

043112480

ABSTRACT:
Concrete pumping conduits are connected by releasable hinged couplers. The ends of the conduits include metal pipes formed with annular grooves including a circular peripheral base. The coupler has a cup-shaped cross-section and a sealing gasket is located within the base of the cup-shaped recess with a tongue-like ridge projecting between the two end faces of the pipe ends. The tongue is formed with a rectangular or triangular cross-section. The gasket is provided with small recesses adjacent the ridge with inclined outer sidewalls defining lips in sealing engagement with the conduit. The peripheral ends of the pipes are chamfered and engaged by the sealing lips.

REFERENCES:
patent: 3291506 (1966-12-01), Blakeley
patent: 3351352 (1967-11-01), Blakeley et al.
patent: 3430989 (1969-03-01), Wendt
patent: 3967837 (1976-07-01), Westerlund

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