Joining means and method for joining metal members

Details Joining means and method for joining metal members Joining means and method for joining metal members

1983-12-05

1987-02-03

Arola, Dave W.

Pipe joints or couplings

With heating or cooling

285 47, 285 55, 285286, F16L 5300

Patent

active

046405321

ABSTRACT:
The invention comprises a coupler used in pairs for joining the ends of two metal members such as pipes by welding. Each coupler has a slot with an external passage to act as a heat barrier to prevent the flow of heat from the welded connection between two couplers to a heat sensitive liner adjacent a surface opposite to that of the weld. The liner is locked into a rebate in the coupler and each coupler is positively aligned with the other.

REFERENCES:
patent: 3516689 (1970-06-01), Binford et al.
patent: 3666295 (1972-05-01), Carbonnel et al.
patent: 3843170 (1974-10-01), Bagnulo
patent: 4336958 (1982-06-01), Goetzinger
patent: 4348041 (1982-09-01), Imai et al.
patent: 4400019 (1983-08-01), Frack

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