Ball valve and method of manufacture

Details Ball valve and method of manufacture Ball valve and method of manufacture

2008-03-04

2008-03-04

Bastianelli, John (Department: 3753)

Fluid handling

Processes

Cleaning, repairing, or assembling

C251S170000, C251S192000, C251S315100

Reexamination Certificate

active

11440629

ABSTRACT:
A ball valve having a ball valve assembly disposed within a unitary, elongated tube is provided. The unitary, elongated tube has a first, inlet end, a medial portion having a cross-sectional area, and a second, outlet end. The first, inlet end is a swedged tube having a cross-sectional area that is less than the medial portion cross-sectional area. The second, outlet end is also a swedged tube having a cross-sectional area that is less than the medial portion cross-sectional area. The ball valve assembly is disposed within the medial portion.

REFERENCES:
patent: 3323542 (1967-06-01), Magos et al.
patent: 3410461 (1968-11-01), Barker
patent: 4381712 (1983-05-01), Black
patent: 4667926 (1987-05-01), Takeda et al.
patent: 4678161 (1987-07-01), Bando et al.
patent: 5735047 (1998-04-01), Evans et al.
patent: 6217002 (2001-04-01), Shafer
patent: 6425571 (2002-07-01), Schadewald et al.
patent: 2005/0039798 (2005-02-01), Meyer

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