Diaphragm-type process pump for transferring various fluids by moving a diaphragm with compressed air

- SMC Corporation
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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
D426553 June 13, 2000 Jack et al.
D428422 July 18, 2000 Wang
D436360 January 16, 2001 Murayama
D436361 January 16, 2001 Yu-Chin
D448778 October 2, 2001 Iwata
D454885 March 26, 2002 Murayama et al.
Patent History
Patent number: D475066
Type: Grant
Filed: Nov 14, 2001
Date of Patent: May 27, 2003
Assignee: SMC Corporation (Tokyo)
Inventors: Tsuyoshi Kagami (Yawara-mura), Miyuki Kanke (Yawara-mura), Tomoyuki Iwata (Yawara-mura)
Primary Examiner: Ralf Seifert
Attorney, Agent or Law Firm: Baker Botts LLP
Application Number: 29/150,464
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)
International Classification: 1502;