Connecting arrangement with a threaded sleeve

Details Connecting arrangement with a threaded sleeve Connecting arrangement with a threaded sleeve

1986-06-25

1987-07-28

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

Thread-cutting means

285 21, 285238, 285347, 285351, 285355, 285915, F16L 4700

Patent

active

046827978

ABSTRACT:
A connecting arrangement comprising a threaded sleeve of synthetic plastic material and a tube portion having a pipe thread. The threaded sleeve contains an insert nut with an internal thread and a synthetic plastic ring which is engaged by the pipe thread of the tube portion. The tube portion has at its forward end a supplemental sealing ring which sealingly engages a sealing region of the synthetic plastic ring. The sealing region is spaced from the axial ends of the threaded sleeve and has an inner diameter which is smaller than the outer diameter of the sealing ring. A further seal may be provided by disposing an adhesive sealing mass in an annular groove on the tube portion such that the mass adheres the tube portion to the sleeve when they are connected.

REFERENCES:
patent: 2453997 (1948-11-01), MacWilliam
patent: 2907589 (1959-10-01), Knox
patent: 3001804 (1961-09-01), Tomlinson et al.
patent: 3784235 (1974-01-01), Kessler et al.
patent: 4258742 (1981-03-01), Louthan et al.
patent: 4582349 (1986-04-01), Chenoweth et al.

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