Method for producing a tube for a cracking plant

Metal fusion bonding – Process – Encasing a rodlike core within a substantially coextensive...

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Details

228219, 228221, 228234, 228243, 228265, B23K 2014

Patent

active

043634354

ABSTRACT:
Method for making a tube for a cracking plant, by providing an inner tube, placing a reinforcement about said inner tube, said reinforcement having transverse openings or passages, placing an outer tube coaxially about said inner tube and said reinforcement, bonding together by pressure or fusion welding, said inner tube and said outer tube through said openings or passages in said reinforcement.

REFERENCES:
patent: 2975259 (1961-03-01), Osborn
patent: 3316630 (1967-05-01), Goedecke et al.
patent: 3397445 (1968-08-01), Ulmer et al.
patent: 3408728 (1968-11-01), Fickett et al.
patent: 3862489 (1975-01-01), Weisinger

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