Flexible pipe coupling

Details Flexible pipe coupling Flexible pipe coupling

1984-10-24

1986-10-14

Husar, Cornelius J.

Pipe joints or couplings

Flexible joint, rigid members

Resilient sleeve type

285373, 285243, 285253, 285419, 403313, 403344, F16L 2100

Patent

active

046168583

ABSTRACT:
A flexible pipe coupling for the end portions of two pipes has an elastic sleeve whose open ends receive the end portions of the pipes and which has a centrally located partition extending from its internal surface and abutting against the end faces of the inserted pipes. The partition is flanked by two internal grooves which are formed in the internal surface and are flanked by annular surfaces sloping inwardly toward the partition. The external surface of the sleeve has a centrally located outer groove and is surrounded by a split ring forming part of a clamp and having apertured lugs extending outwardly from the two end portions of the ring to be moved nearer to each other by a bolt and nut assembly whose shank extends through the apertures so that the sleeve is compressed and its internal surface sealingly engages the external surfaces of the pipes. The split ring has a corrugation which extends into the outer groove of the sleeve. A second corrugation is provided on an arcuate insert which is placed between the split ring, in the region of its end portions, and the external surface of the sleeve, and such second corrugation also extends into the outer groove of the sleeve. The marginal portions of the split ring have a frustoconical shape and bear against the external surfaces of the respective pipes when the ring is caused to bear against the external surface of the sleeve.

REFERENCES:
patent: 3142881 (1964-08-01), Johnston
patent: 3183938 (1965-05-01), Smith et al.
patent: 3376055 (1968-04-01), Ponroe
patent: 3527484 (1970-09-01), Walkden
patent: 3801141 (1974-04-01), Hollingsworth

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