Coupling for use with container valve

Details Coupling for use with container valve Coupling for use with container valve

1997-12-24

1999-07-20

Arola, Dave W.

Pipe joints or couplings

Particular interface

285 23, 285 45, 2853323, F16L 2500

Patent

active

059247479

ABSTRACT:
When first and second coupling pieces are tightened in the axial direction thereof by turning a screw member, the second coupling piece is prevented from being turned together with the screw member, thereby enhancing sealing property, cleanliness and workability. A thrust bearing is interposed between a pressing surface of the screw member and the second coupling piece.

REFERENCES:
patent: 3552421 (1971-01-01), Yocum
patent: 4458926 (1984-07-01), Williamson
patent: 5120084 (1992-06-01), Hasimoto
patent: 5401065 (1995-03-01), Okumura et al.
patent: 5720505 (1998-02-01), Ohmi et al.

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