Device for leaktight coupling of a tube to a threaded...

Details Device for leaktight coupling of a tube to a threaded... Device for leaktight coupling of a tube to a threaded...

2006-10-17

2006-10-17

Bochna, David (Department: 3679)

Pipe joints or couplings

Screw thimble

Removable

C285S387000, C285S354000

Reexamination Certificate

active

07121595

ABSTRACT:
A device for leaktight coupling of a tube to a tubular nose, the tube being provided with an outwardly-directed bead at a distance from its end, the tubular nose presenting an outside thread and including an inlet bore for defining a housing for an annular gasket and an annular gasket-retaining insert, the device including a nut having the tube passing therethrough and presenting an end inside thread for co-operating with the thread of the tubular nose and including a chamber behind the thread, the chamber terminating by a drive wall, and an axial drive collar removably placed between one of the flanks of the bead and the drive wall, the collar extending axially towards the end of the tube beyond the bead in the chamber to co-operate with the insert, slidable in its housing and shaped as a pusher for compressing the gasket between the bore and the tub.

REFERENCES:
patent: 2154526 (1939-04-01), Parkerton
patent: 2340732 (1944-02-01), Bruno
patent: 2724602 (1955-11-01), Colwell
patent: 2781207 (1957-02-01), Detweiler et al.
patent: 2956820 (1960-10-01), De Cenzo
patent: 2971781 (1961-02-01), Torres
patent: 3002771 (1961-10-01), Chakroff
patent: 3791680 (1974-02-01), Cleare
patent: 4456287 (1984-06-01), Bisonaya
patent: 6508493 (2003-01-01), Guivarc'h
patent: 944 539 (1963-12-01), None

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