Fluid-tight connectors for fluid-carrying pipe-lines

Pipe joints or couplings – With assembly means or feature – Thread-cutting means

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Details

285 92, 2853321, 285354, 411302, F16L 3500

Patent

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051564211

ABSTRACT:
A pipe connector comprising two members with respectively concave and convex mating co-operating ends and fitting together by an internally threaded sleeve retaining one of the members and tightened by being screwed onto the outer threading of the other member, this outer threading being extended by a threaded portion having a greater diameter than and the same pitch as those of the outer threading and being adapted to co-operate with a lock washer retained in a recessing formed in one of the ends of the sleeve.

REFERENCES:
patent: 2320031 (1943-05-01), Donforth
patent: 2497273 (1950-02-01), Richardson
patent: 2499104 (1950-02-01), Lovell
patent: 3429593 (1969-02-01), Seablom
French Patent Office Search Report No. 9001303 dated Feb. 5, 1990.

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