Method for producing valve housings, and a valve housing

Details Method for producing valve housings, and a valve housing Method for producing valve housings, and a valve housing

2007-01-19

2010-11-02

Bryant, David P (Department: 3726)

Metal working

Method of mechanical manufacture

Valve or choke making

C029S890120, C029S890124, C029S412000, C029S415000, C029S417000, C029S418000

Reexamination Certificate

active

07823289

ABSTRACT:
In a valve housing11, which is constituted by an section of an extruded billet material, into which are formed inlet and outlet conduits27, 28, 29, 30, which are substantially arranged in a common plane, and a receiving bore20for at least one valve element21, 26, arranged transversely in relation thereto, the billet material is formed as a profiled element provided with ribs15, 16, 17, 18which project from a substantially parallelepiped base body and in which ribs the inlet and outlet conduits27, 28, 29, 30open.

REFERENCES:
patent: 1825042 (1931-09-01), Baldwin, Jr.
patent: 2309666 (1943-02-01), Parker
patent: 2420785 (1947-05-01), Lorraine
patent: 2669011 (1954-02-01), Brumbaugh
patent: 3345032 (1967-10-01), Rawstron
patent: 3417450 (1968-12-01), Zell
patent: 3886638 (1975-06-01), Hayman et al.
patent: 4288103 (1981-09-01), Gallagher et al.
patent: 6253837 (2001-07-01), Seiler et al.
patent: 7025330 (2006-04-01), Massey
patent: 296 14 204 (1996-11-01), None
patent: 199 01 253 (2000-07-01), None
patent: 103 49 318 (2005-05-01), None
German Search Report.
European Search Report.

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