Wet-dry cementable coupling for plastic pipe

Details Wet-dry cementable coupling for plastic pipe Wet-dry cementable coupling for plastic pipe

1978-07-28

1981-08-04

Arola, Dave W.

Pipe joints or couplings

Repair

285 21, 285332, 285369, 285383, 285423, 285DIG16, F16L 5500

Patent

active

042818567

ABSTRACT:
A cementable coupling for plastic pipe, that may be employed whether the parts are wet or dry, including cementable fitting and sleeve members that initially provide a dry seal near the end of the pipe, permitting initial drying of the pipe upstream of the dry seal, and enable later cementing of these members together and to the pipe at a location upstream of the dry seal.

REFERENCES:
patent: 2825587 (1958-03-01), Barta et al.
patent: 3701548 (1972-10-01), McGuire
patent: 3826521 (1974-07-01), Wilhelmsen
patent: 3857588 (1974-12-01), Curtin
patent: 4035002 (1977-07-01), Curtin

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