Pipe jointing piece with O-rings

Details Pipe jointing piece with O-rings Pipe jointing piece with O-rings

1975-09-08

1976-11-23

Arola, Dave W.

Pipe joints or couplings

Packed

'rolled-in' gasket

285370, 285424, F16L 1700

Patent

active

039933342

ABSTRACT:
A jointing piece for sealingly connecting pipes, said piece having at either end elastic sealing means arranged in their operational position to engage sealingly with the inside of the respective connecting pipe end. In the area adjacent either jointing piece end there is provided a sealing means comprising two outwardly open mutually separated channels running circumferentially side by side and being formed in the jointing piece wall and an elastic sealing ring placed therein. Before the jointing piece end is inserted into the respective pipe end, said ring is placed in the channel nearest the end of the pipe jointing piece, and during insertion the ring is caused, by contact with and relative movement between the jointing piece and pipe, to roll over to and down into the posterior second channel where the ring assumes its operational sealing position.

REFERENCES:
patent: 3494639 (1970-02-01), Smith

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