Pipe fitting construction

Details Pipe fitting construction Pipe fitting construction

1983-02-22

1984-10-02

Arola, Dave W.

Pipe joints or couplings

Packed

Carried on cylindrical shank

285423, 285DIG22, F16L 1702

Patent

active

044743920

ABSTRACT:
The pipe fitting includes a center body of predetermined configuration, for example, wye or tee shape, of desired pipe size. The center body terminates at each of its ends in a lock junction to receive thereon in locked relationship an end hub of the type suitable for receiving and interconnecting the spigot end of a length of plastic pipe. Each lock junction includes a shoulder upon which the end hub is seated, an endwardly positioned lock and a circular, peripheral recess positioned between the shoulder and the lock. The end hub includes an inwardly inclined projection to cooperate with and securely seat within the center body lock. A circular gasket is secured within the circular recess and biases against a portion of the inner periphery of the end hub to prevent leakage between the parts.

REFERENCES:
patent: 1667735 (1875-08-01), Walworth
patent: 2507535 (1950-05-01), Madsen
patent: 2735699 (1956-02-01), Chadbourne
patent: 2871031 (1959-01-01), Altemus et al.
patent: 3784235 (1974-01-01), Kessler
patent: 3792878 (1974-02-01), Freeman
patent: 3860270 (1975-01-01), Arnold
patent: 4143884 (1978-03-01), Nicholas et al.
Vassallo Industries Catalog "Gosk-o-Weld" Revised Nov. 1, 1978.

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