Cold welded joint

Details Cold welded joint Cold welded joint

1985-02-25

1986-08-12

Godici, Nicholas P.

Metal fusion bonding

Process

Encasing a rodlike core within a substantially coextensive...

285 21, 285 41, 285287, B21D 3904, F16L 5300, F16L 5500

Patent

active

046051562

ABSTRACT:
Disclosed is a method and apparatus for forming a cold weld joint between parts comprising a sleeve (or coupling) to receive the ends of conductors (or pipes). The sleeve is provided with weld pads which when the sleeve cools will engage one of the conductors and be cold welded thereto by the forces of shrink fit. Serrations are provided for axial strength of the joint and to limit the plastic flow of the material of the pads. A second conductor is loosely telescoped in the sleeve by bellows for compensating for any misalignment when the parts are initially brought together. Later the bellows is provided with a backing material to rigidly connect the second conductor to the sleeve.

REFERENCES:
patent: 1838249 (1931-12-01), Brown
patent: 2142357 (1939-01-01), Jacobson
patent: 3668754 (1972-06-01), Boast
patent: 4022205 (1977-05-01), Tenczar
patent: 4035007 (1977-07-01), Harrison et al.
patent: 4286898 (1981-09-01), Stafford
patent: 4394953 (1983-07-01), Sonnweber et al.
patent: 4486037 (1984-12-01), Shotbolt

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