Joining tubular members

Details Joining tubular members Joining tubular members

1982-09-20

1986-05-13

Arola, Dave W.

Pipe joints or couplings

Deformed

Both members

285 94, 285915, F16L 1314

Patent

active

045882150

ABSTRACT:
A method of joining two tubular members which comprises inserting an end portion, which forms a spigot, of one of them into an end portion, which forms a socket, of the other to achieve an interference fit. The thickness of the wall of the end portion of at least one of the tubular members so varies in an axial direction that, when the spigot has been fully inserted into the socket, the external diameter of the spigot and the internal diameter of the socket are smaller at a first point on the axis than at a second point on the axis, the first point being nearer to the mouth of the socket than the second point.

REFERENCES:
patent: 3972548 (1976-08-01), Roseen
patent: 4061367 (1977-12-01), Moebius
patent: 4379575 (1983-04-01), Martin

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