Pipe joints or couplings – With casing – lining or protector – Lined
Patent
1984-10-26
1986-07-08
Arola, Dave W.
Pipe joints or couplings
With casing, lining or protector
Lined
2853345, F16L 914
Patent
active
045989370
ABSTRACT:
A pipe assembly comprising a metal pipe having a double flared end and a tube formed from a corrosion resistant material and fitted tightly in the metal pipe. The double flared end includes an inner wall portion defining a seat for a tubular member to which the pipe assembly is connected. The tube has one end held by the inner wall portion. The inner wall portion comprises a conical portion and a cylindrical portion contiguous to the conical portion. The cylindrical portion extends beyond a neck defining the double flared end into the tube and held tightly against the inner surface of the tube.
REFERENCES:
patent: 1794955 (1931-03-01), Gordon
patent: 1988158 (1935-01-01), Brodell
patent: 3722925 (1973-03-01), Robbins
patent: 3828823 (1974-08-01), Douglas
Arola Dave W.
Casella Anthony J.
Hespos Gerald E.
Usui Kokusai Sangyo Kabushiki Kaisha
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