Device for the sealed butt connection of two metal pipes

Details Device for the sealed butt connection of two metal pipes Device for the sealed butt connection of two metal pipes

1997-09-24

1999-08-10

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

285331, 285421, 285424, 285906, 285921, F61L 3500

Patent

active

059347104

ABSTRACT:
A sealing device for the sealed connection of two pipes placed end to end includes an upper component and a lower component. The upper component includes a frustoconical rib extending outward from a cylindrical end part and diverging upward into a first wall forming a return, an elastically deformable external skirt formed from a second wall connected to the frustoconical rib through the return, a circular groove defined between the rib and the skirt and formed by the first and second walls, and a retainer provided in a lower edge of the external skirt. The lower component is matable with the upper component and includes a third wall forming a frustoconical socket that flares upward, a fourth wall forming a frustoconical external skirt diverging downward, and a circular rib formed by merger of the third and fourth walls. The circular rib is sized to enter and come into elastic contact with an internal face of the groove and the retainer snap-fastens under the external skirt of the lower component to fasten the lower component to the upper component.

REFERENCES:
patent: 1487389 (1924-03-01), King
patent: 1791255 (1931-02-01), Wagner
patent: 2039886 (1936-05-01), Cohn
patent: 2189159 (1940-02-01), Anschicks
patent: 2260221 (1941-10-01), Gray
patent: 3768457 (1973-10-01), Beasey

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