Apparatus for joining and cladding pipe sections

Details Apparatus for joining and cladding pipe sections Apparatus for joining and cladding pipe sections

1979-10-09

1981-10-20

Goldberg, Howard N.

Metal fusion bonding

With means to deform work, filler, or flux portion before...

Comprising means forming one-piece blank into a tubular shape

228 177, 228 45, 228 48, 228173D, B23K 3702, B23K 3704

Patent

active

042955920

ABSTRACT:
An apparatus for joining and cladding pipe sections has a cradle which holds two cylindrical pipe sections with their ends abutting axially and their axes coaxially horizontally aligned. A carriage is displaceable axially adjacent the cradle and carries a primary welding tool which can weld the ends of the pipe sections together as they are rotated in the cradle. Metal strip can be pulled of a supply of strip on the carriage, bent into a U-section, arced, and helically applied to the pipe sections as they rotate. Meanwhile a second welding tool on the carriage welds the arced U-section strip to the pipe sections as they rotate to form a helical passage therealong.

REFERENCES:
patent: 2600630 (1952-06-01), Fergusson
patent: 2749421 (1956-08-01), Mikulak et al.
patent: 3549077 (1970-12-01), Huck
patent: 3715557 (1973-02-01), Netterstedt et al.
patent: 4121746 (1978-10-01), Frohlich et al.

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