Pipe joints or couplings – Flange – Fused
Patent
1988-01-22
1988-11-15
Arola, Dave W.
Pipe joints or couplings
Flange
Fused
285422, F16L 2300
Patent
active
047844132
ABSTRACT:
An assembly comprising a thin-walled metal tubing coupled to a flange. The tubing is used as a passage for supplying oil or air, and has a small diameter. A short metal cylinder having a wall thickness larger than that of the tubing is fitted over the tubing. The tubing and the cylinder are welded together at their front ends. The cylinder to which the tubing is welded is inserted in a hole formed in the flange. The outer surface of the cylinder is welded to the fringe of the hole.
REFERENCES:
patent: 2669467 (1954-02-01), Wolferz
patent: 3909049 (1975-09-01), Blatnica
Arola Dave W.
Casella Anthony J.
Hespos Gerald E.
Usui Kokusai Sangyo Kabushiki Kaisha
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