Internal couplings for plastic solar collectors and the like

Details Internal couplings for plastic solar collectors and the like Internal couplings for plastic solar collectors and the like

1979-06-15

1982-01-12

Stephan, Steven L.

Pipe joints or couplings

With assembly means or feature

Thread-cutting means

138 89, 126448, 165178, 165 76, 285239, 285353, 285423, F16L 3500, B65D 5100, F16L 4104, F16L 5500

Patent

active

043101828

ABSTRACT:
A self-tapping coupling for plastic piping has a hollow cylindrical section with external self-tapping threads and a sealing member with an O-ring whereby the sealing member is retained in the end of the plastic pipe by the threads cut by the cylindrical section when the latter is inserted in the end of the pipe with rotation.

REFERENCES:
patent: 2580818 (1952-01-01), Mundy et al.
patent: 2648283 (1953-08-01), Coursen et al.
patent: 3157203 (1964-11-01), Nooy
patent: 3245701 (1966-04-01), Leopold et al.
patent: 3893487 (1975-07-01), Engelking

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