Weldless high-pressure pipe fitting

Details Weldless high-pressure pipe fitting Weldless high-pressure pipe fitting

1984-11-26

1987-05-05

Callaghan, Thomas F.

Pipe joints or couplings

Packed

Wedge

285369, 285363, F16L 2300

Patent

active

046626603

ABSTRACT:
A weldless high-pressure pipe fitting, which can be incorporated in a pipe flange or pipe coupling, utilizing a deformable sealing sleeve of ductile material having a constant inside diameter sized to closely fit over the end of a pipe of a given size without galling and an outer frusto-conical surface which mates with a complementary frusto-conical inner surface of a rigid collar which tapers to a diameter equal to the inside diameter of said sealing sleeve. Said sealing sleeve annularly protrudes from said collar so that a rigid circular locking flange may be tightened against the end of said collar from which said sealing sleeve protrudes, circularly compressing said sealing sleeve between the outer surface of said pipe and the inner frusto-conical surface of said collar, locking and sealing said collar to the end of said pipe.

REFERENCES:
patent: 91319 (1869-06-01), Fifield
patent: 212257 (1879-02-01), Norris, Jr.
patent: 672244 (1901-04-01), Traunfels
patent: 1219978 (1917-03-01), Masters
patent: 1586105 (1926-05-01), Moulet
patent: 2001614 (1935-05-01), Johnson
patent: 2215476 (1940-09-01), Peters
patent: 2496402 (1950-02-01), McVeigh et al.
patent: 2701731 (1955-02-01), Risley

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