Diaphragm-type process pump for transferring various fluids by moving a diaphragm with compressed air
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Description
FIG. 1 is a front view.
FIG. 2 is a rear view.
FIG. 3 is a plan view.
FIG. 4 is a right-hand side view.
FIG. 5 is a left-hand side view.
FIG. 6 is a sectional view taken along the line 6—6, in which illustration of the internal mechanism is partly omitted; and,
FIG. 7 is a reference perspective view.
A bottom view is omitted because it is in symmetry with the plan view.
Claims
An ornamental design for a diaphragm-type process pump for transferring various fluids by moving a diaphragm with compressed air, as shown and described.
Referenced Cited
U.S. Patent Documents
D338018 | August 3, 1993 | Willinger et al. |
D374075 | September 24, 1996 | Lee |
D387067 | December 2, 1997 | Gaffney |
D426553 | June 13, 2000 | Jack et al. |
D428422 | July 18, 2000 | Wang |
D436360 | January 16, 2001 | Murayama |
D436361 | January 16, 2001 | Yu-Chin |
D436968 | January 30, 2001 | Cook |
D439341 | March 20, 2001 | Tumey et al. |
D454885 | March 26, 2002 | Murayama et al. |
Patent History
Patent number: D471917
Type: Grant
Filed: Nov 14, 2001
Date of Patent: Mar 18, 2003
Assignee: SMC Corporation (Tokyo)
Inventors: Tsuyoshi Kagami (Yawara-mura), Tomoyuki Iwata (Yawara-mura)
Primary Examiner: Ralf Seifert
Attorney, Agent or Law Firm: Baker Botts L.L.P.
Application Number: 29/150,465
Type: Grant
Filed: Nov 14, 2001
Date of Patent: Mar 18, 2003
Assignee: SMC Corporation (Tokyo)
Inventors: Tsuyoshi Kagami (Yawara-mura), Tomoyuki Iwata (Yawara-mura)
Primary Examiner: Ralf Seifert
Attorney, Agent or Law Firm: Baker Botts L.L.P.
Application Number: 29/150,465
Classifications