Plastic pipe section

Details Plastic pipe section Plastic pipe section

1989-06-19

1991-05-14

Arola, Dave W.

Pipe joints or couplings

With means blocking release of holding means

285 92, 285328, 285351, 285423, 285921, 29453, F16L 0000

Patent

active

050150146

ABSTRACT:
The end portions of the pipe section 2 have annular rabbets 14 and 16 in the outer and inner peripheral surfaces 10 and 12 thereof. The axially extending surfaces 14" and 16" of the rabbets are tapered substantially at a common angle so that when a pair 2' and 2" of the pipe sections are reversedly disposed end-to-end of one another, and driven together, the two sections form a male/female joint 18 therebetween. The joint is preserved by providing sets of axially successive ribs 20 and grooves 22 on the axially extending surfaces of the rabbets, which interengage with one another when the ends 8 of the sections abut the transversely disposed surfaces 14' and 16' of the rabbets.

REFERENCES:
patent: 1270300 (1918-06-01), King et al.
patent: 2366067 (1943-06-01), Smith
patent: 2547321 (1951-04-01), Henderson
patent: 2889089 (1954-06-01), Herrick et al.
patent: 2947071 (1960-08-01), Marchant
patent: 3784235 (1974-01-01), Kessler et al.
patent: 4474392 (1984-10-01), Vassallo
patent: 4616855 (1986-10-01), Ruhle
patent: 4779902 (1988-10-01), Lee

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