Structure in which a small-diameter thin metal tube is fixed at

Details Structure in which a small-diameter thin metal tube is fixed at Structure in which a small-diameter thin metal tube is fixed at

1988-01-22

1989-03-07

Callaghan, Thomas F.

Pipe joints or couplings

With strain relief

Extension of socket or sleeve

285416, F16L 1304

Patent

active

048100110

ABSTRACT:
A structure in which a small-diameter thin metal pipe is connected at one end to a flange coupling. The pipe has an end portion and an outer turned-up portion formed at the end of the end portion of the pipe. The structure includes a metal sleeve inserted at one end between the end portion and turned-up portion of the pipe. The sleeve is longer than the turned-up portion. The metal sleeve and the end portion and turned-up portion of the pipe as they are inserted into a hole in the flange coupling and fixedly welded together along at least the edge of the hole.

REFERENCES:
patent: 431816 (1890-07-01), Lomasney
patent: 1554881 (1925-09-01), Reimann
patent: 2669467 (1954-02-01), Wolferz
patent: 3909049 (1975-09-01), Blatnica
patent: 4336958 (1982-06-01), Goetzinger
patent: 4484771 (1984-11-01), Schulz

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