Sealing valve

- Alfa Laval Agri AB
Description

FIG. 1 is a right front perspective view of a sealing valve for use in connection with a milk pipeline valve, showing my new design;

FIG. 2 is a rear left perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D202701 November 1965 Davis, Jr.
D276556 November 27, 1984 Haggard
D319683 September 3, 1991 Scaramucci
D319866 September 10, 1991 Rogers
3820506 June 1974 Conde
4120478 October 17, 1978 Hasegawa
4214552 July 29, 1980 Olander
4366772 January 4, 1983 Panock
4577654 March 25, 1986 Pringle
5048560 September 17, 1991 Jannoth et al.
5160118 November 3, 1992 Stary
5203539 April 20, 1993 Stary
Foreign Patent Documents
2637117 June 1977 DEX
4003367 August 1991 DEX
604544 April 1978 SUX
Patent History
Patent number: D397766
Type: Grant
Filed: Oct 31, 1996
Date of Patent: Sep 1, 1998
Assignee: Alfa Laval Agri AB (Tumba)
Inventor: Kenneth Gustafsson (Sodertalje)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Eric Watterson
Law Firm: Hovey,Williams, Timmons & Collins
Application Number: 0/61,842
Classifications
Current U.S. Class: Check (D23/237)
International Classification: 2301;