Pipe adapter

Details Pipe adapter Pipe adapter

1986-11-13

1988-04-26

Callaghan, Thomas F.

Pipe joints or couplings

Packed

Wedge

2853827, F16L 1908

Patent

active

047400196

ABSTRACT:
The invention concerns a pipe adapter with an insertion stub for the pipe end to be connected, said stub including an inner cone receiving a correspondingly shaped outer cone at one end (press end) of a sealing bush slipped on the pipe end, the other end (cutting end) of this bush comprising another outer cone spanned by the correspondingly shaped inner cone of a clamping ring and at least one circumferential cutting edge at the inside of the sealing bush and directed toward the outer wall of the pipe end, whereas the inner surface of the outer cone of the press end is cylindrical, the cone angle of the cutting end being larger than that of the press end, and this adapter shall be designed in such a manner that it will be easily assembled, shall offer reliable sealing and furthermore shall be corrosion-resistant.
To that end the invention provides that the cone angle of the cutting end is about 70.degree. to 140.degree. and that the segment of the sealing bush between the press end and the cutting end is of lesser wall thickness than the adjacent segments and forms an axially acting spring.

REFERENCES:
patent: 2472872 (1949-06-01), Woodling
patent: 2641487 (1953-06-01), LaMarre
patent: 4309050 (1982-01-01), Legris
patent: 4630851 (1986-12-01), Ogawa

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