Method for forming a conduit extending through and beyond...

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

B - Operations, Transporting

23

K

26/155

B23K 11/02 (2006.01) B23K 11/093 (2006.01) F16L 5/02 (2006.01)

Patent

CA 1174037

METHOD FOR FORMING A CONDUIT EXTENDING THROUGH AND BEYOND OPPOSITE SIDES OF A HOUSING WALL ABSTRACT OF THE DISCLOSURE 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.

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