Apparatus and method for coupling elongated members

Details Apparatus and method for coupling elongated members Apparatus and method for coupling elongated members

1992-08-28

1993-12-14

Rosenbaum, Mark

Pipe joints or couplings

Particular interface

Interlocked or overlapped

285331, 285398, 285419, 295251, 29469, 403339, 403341, F16L 2506, E21B 1722

Patent

active

052695727

ABSTRACT:
A pair of elongated cylindrical members are constructed with first and second collars extending axially beyond their adjoining ends. The first and second collars have adjoining indentations and projections at their end edges which are adapted to interlock with one another so as to prevent rotation of the two elongated members with respect to one another. A coupler is removably fitted over the exterior of the first and second collars and holds them together against axial movement with respect to one another. The collars are each welded to the axial ends of the first and second cylindrical members.

REFERENCES:
patent: 1054812 (1913-03-01), Zierath
patent: 2195492 (1940-04-01), McDonald
patent: 3190377 (1965-06-01), Rassieur
patent: 3206936 (1965-09-01), Moor
patent: 3240513 (1966-03-01), Turzillo
patent: 3794127 (1974-02-01), Davis
patent: 3796448 (1974-03-01), Ringkamp
patent: 3967837 (1976-07-01), Westerlund et al.
patent: 4354698 (1982-10-01), Linder et al.
patent: 4615543 (1986-10-01), Cannon
patent: 4821818 (1989-04-01), Mefferd

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