Device for flooding a weld seam between two pipes to be welded w

Details Device for flooding a weld seam between two pipes to be welded w Device for flooding a weld seam between two pipes to be welded w

1992-06-17

1993-08-10

Shaw, Clifford C.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219 60R, 219136, B23K 916

Patent

active

052351521

ABSTRACT:
A device for flooding a weld junction between two devices with a protective gas has a double wall body received in the pipes and bridging the junction with sealing rings received in end chambers of the body braced against inner surfaces of the pipe. An intermediate chamber is bounded outwardly by a cylindrical shell of fine-pore sintered metal and has an inner wall provided with at least one fitting for connecting a supply pipe for the protective gas thereto. Between the intermediate chamber and at least one of the end chambers, at least one outlet chamber is formed to discharge excess protective gas through a throttle on an inner wall of the outlet chamber.

REFERENCES:
patent: 5126526 (1992-06-01), Schnorrer

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