Double-seated control valve

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Description

FIG. 1 is front elevation view of the double-seated control valve;

FIG. 2 is a rear elevation view of the double-seated control valve;

FIG. 3 is a left side elevation view of the double-seated control valve;

FIG. 4 is a right side elevation view of the double seated control valve;

FIG. 5 is a bottom plan view of the double seated control valve;

FIG. 6 is a top plan view of the double seated control valve; and,

FIG. 7 is an isometric view of the double seated control valve.

Referenced Cited
U.S. Patent Documents
D370054 May 21, 1996 Nakadaira et al.
1798498 March 1931 Riley
2110859 March 1938 Goehring
3746302 July 1973 Larsen
Other references
  • IOWA Heavy Pressure Valves and Valve Ends; Item #F-165, p. 26, 1960.
Patent History
Patent number: D403049
Type: Grant
Filed: Jul 10, 1997
Date of Patent: Dec 22, 1998
Assignee: Yamatake-Honeywell Co., Ltd. (Tokyo)
Inventors: Hideo Ohtani (Kanagawa Pref.), Ryoji Okutsu (Kanagawa Pref.), Hiroshi Yamamoto (Kanagawa Pref.), Koji Izumi (Kanagawa Pref.)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Robin V. Taylor
Law Firm: Whitham, Curtis & Whitham
Application Number: 0/73,245
Classifications
Current U.S. Class: Valve Or Body Therefor (D23/233)
International Classification: 2301;