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:
Apr. 06, 1993
Filed:
Dec. 19, 1989
Kiyoaki Akechi, Itami, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
The present invention relates to parts, such as a drive gear and driven gear, for use in a rotary gear pump exhibiting good sliding characteristics against a pump case made of light metals such as aluminum alloys. These parts are obtained by subjecting aluminum alloy powders, which have been solidified at a cooling rate of 100.degree. C./sec or more, or aluminum alloy powders having particle diameters of 350 .mu.m or less, to powder compacting and hot extrusion and optionally further to hot forging, or subjecting the aluminum alloy powders to powder forging.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile