Slide valve

- Alfa Laval Agri AB
Description

FIG. 1 is a right front perspective view of a slide 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
D269110 May 24, 1983 Logsdon
D310868 September 25, 1990 Wilder
D319683 September 3, 1991 Scordmucci
D386568 November 18, 1997 Yoshihoro
3820506 June 1974 Conde
4120476 October 17, 1978 Hasegawa
4214552 July 29, 1980 Olander
4366772 January 4, 1983 Panock
4577654 March 25, 1986 Pringle
5160118 November 3, 1992 Stary
5203539 April 20, 1993 Stary
5454792 October 3, 1995 Tellicol et al.
5570870 November 5, 1996 Bilgrrey
Foreign Patent Documents
2637117 June 1977 DEX
4003367 August 1991 DEX
604544 April 1978 SUX
Patent History
Patent number: D397767
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: 0/61,843
Classifications
Current U.S. Class: Check (D23/237)
International Classification: 2301;