Pipe connection and clamp for same

Details Pipe connection and clamp for same Pipe connection and clamp for same

1981-04-14

1989-05-23

Arola, Dave W.

Pipe joints or couplings

Particular interface

2853345, 285 39, 285365, 285371, 285382, 285906, 285915, F16L 2500

Patent

active

048323802

ABSTRACT:
A pipe connection in which pipe ends are provided with flared ends within the area of the joint edges, and in which a clamping ring with a U-shaped internal profile in a cross section is adapted to be tightened radially inwardly; the inner end faces of the clamping ring and the flared end faces are inclined toward the pipe axis so that the joining edges are urged toward one another in the tightened condition of the clamping ring; the clamping ring is provided with at least one plastically deformable, lug-shaped ear adapted to be tightened by contraction thereof to thereby establish a permanent connection which can be reopened only by destruction of the clamping ring; the surfaces of the clamping ring which engage with the end faces of the flarings may be further provided with means, e.g., in the form of notches, teeth, serrations or embossments to prevent rotation of the ring relative to the joint edges.

REFERENCES:
patent: 755994 (1904-03-01), Broome
patent: 1825062 (1931-09-01), Reaton et al.
patent: 2214381 (1940-09-01), Rastetter
patent: 2473102 (1949-06-01), Krooss
patent: 2614304 (1952-10-01), Oetiker
patent: 2635900 (1953-04-01), Mayo et al.
patent: 2663582 (1953-12-01), Sebok
patent: 3024046 (1962-03-01), Frost et al.
patent: 3087221 (1963-04-01), Armstrong
patent: 3402436 (1968-09-01), Oetiker
patent: 3494667 (1970-03-01), Pfeuffer

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