Ferrules seals

Details Ferrules seals Ferrules seals

1981-06-19

1984-07-10

Callaghan, Thomas F.

Pipe joints or couplings

Packed

Wedge

285348, 2853827, 285353, F16L 1900

Patent

active

044589271

ABSTRACT:
A device is provided for sealing an inner tube and an outer tube without excessively deforming the tubes. The device includes two ferrules which cooperate to form a vacuum-tight seal between the inner tube and outer tube and having mating surfaces such that overtightening is not possible.

REFERENCES:
patent: 2271936 (1942-02-01), Carson
patent: 2931671 (1960-04-01), Beeley
patent: 3072421 (1963-01-01), Lloyd et al.
patent: 3402949 (1968-09-01), Mahoney
patent: 3437357 (1969-04-01), Rubin
patent: 3578364 (1971-05-01), Ehrenberg
patent: 3679245 (1972-07-01), Ehrenberg
patent: 4006921 (1977-02-01), Mohr
patent: 4076286 (1978-02-01), Spontelli
patent: 4138144 (1979-02-01), Pierce, Jr.
patent: 4260182 (1981-04-01), Bruner
patent: 4309050 (1982-01-01), Legris

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