Method for forming a conduit extending through and beyond opposi

Details Method for forming a conduit extending through and beyond opposi Method for forming a conduit extending through and beyond opposi

1980-11-12

1982-03-30

Goldberg, Elliot A.

Electric heating

Metal heating

For bonding with pressure

219 591, 285189, 285286, B23K 1102, B23K 1132

Patent

active

043225985

ABSTRACT:
A method for forming a conduit or flow passage extending through and beyond opposite sides of a housing wall. A pair of tubes constituting the external portions of the conduit have radially projecting peripheral flanges formed at their ends. The flanges are placed in face-to-face engagement with flat surfaces on opposite sides of the wall in coaxial alignment with a bore through the wall. The flanges are then pressed against the wall by tubular welding electrodes connected in series in a welding circuit and are simultaneously welded to the wall.

REFERENCES:
patent: 1370224 (1921-03-01), Redding
patent: 2194272 (1940-03-01), Blu

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