Structure at resin pipe connections

Details Structure at resin pipe connections Structure at resin pipe connections

1983-04-12

1986-11-25

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

Lined

285292, 285336, 285363, 285370, 285371, 285423, 285919, F16L 914

Patent

active

046244867

ABSTRACT:
A structure at a connection where at least two resin pipes are connected to each other end-to-end. The structure is characterized by annular resin body means provided on the inner periphery of the end of at least one of the resin pipes and having at least one end positioned in an annular recessed portion formed in the inner periphery of said one resin pipe. Since the above-mentioned end (which is more subject to the action of internal fluid than the other end) is positioned in the annular recessed portion, the resin body means is not eroded by the internal fluid.

REFERENCES:
patent: 1001682 (1911-08-01), Pratt
patent: 1484355 (1924-02-01), Moir et al.
patent: 1945279 (1934-01-01), Kraner
patent: 3508766 (1970-04-01), Kessler et al.
patent: 3612580 (1971-10-01), Jones
patent: 4147381 (1979-04-01), Schwarz

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