Connector for flexible and semi-rigid pipings

Details Connector for flexible and semi-rigid pipings Connector for flexible and semi-rigid pipings

2007-01-16

2007-01-16

Hewitt, James M. (Department: 3679)

Pipe joints or couplings

Nonmetal to metal

Internal member

C285S256000, C285S259000

Reexamination Certificate

active

11249738

ABSTRACT:
A connector for a flexible pipe comprises a connector body having an end portion for coupling to a flexible pipe. The end portion includes a frusto-conical portion and an adjacent cylindrical portion. The frusto-conical portion has its widest portion adjacent the cylindrical portion and has a diameter greater than the diameter of the cylindrical portion and forms a radially extending substantially transverse shoulder with the cylindrical portion to force the pipe to form a bulge around the shoulder. The frusto-conical portion has its narrowest portion with a diameter slightly less than the inside diameter of the pipe to facilitate insertion into the pipe. A ring has a cylindrical inner surface with an inside diameter substantially equal to the outside diameter of the pipe. The ring is positioned to overlie the shoulder thereby to compress the bulge against the shoulder and seal the pipe to the connector body.

REFERENCES:
patent: 646590 (1900-04-01), Williams
patent: 4088349 (1978-05-01), Guest
patent: 4736969 (1988-04-01), Fouts
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patent: 4991876 (1991-02-01), Mulvey
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patent: 6050608 (2000-04-01), Hattori et al.
patent: 7014216 (2006-03-01), Mittersteiner et al.
patent: 2004/0051303 (2004-03-01), Lorenz

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