The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 1981
Filed:
Mar. 01, 1979
Applicant:
Inventor:
Alan D Tuck, Jr, Upland, CA (US);
Assignee:
Wilden Pump & Engineering Co., Colton, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B / ;
U.S. Cl.
CPC ...
92102 ; 92 9 / ; 9210 / ;
Abstract
A diaphragm configuration is disclosed for an air-driven pump. The diaphragm includes concentric ribs on the pressure side of the flexure portion thereof. This has been found to extend the life of diaphragms made of relatively brittle materials such as synthetic resin polymers. A ridge is provided on the surface of the diaphragm where sealing is to occur as a means for increasing the sealing capability of the synthetic resin polymer material.