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:
Nov. 16, 1982
Filed:
Sep. 11, 1979
Applicant:
Inventors:
Duraid Mahrus, Sao Paulo, BR;
Georg Daxer, Sao Paulo, BR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ; F16J / ;
U.S. Cl.
CPC ...
2915 / ; 29458 ; 92190 ; 92219 ; 92223 ; 92238 ; 92212 ;
Abstract
A method for manufacturing a piston for internal combustion engines, compressors and the like, comprising a head portion articulately connected to a separate skirt portion, wherein the skirt portion comprises a steel tubular part obtained by cutting, bending and closing of a piece of steel strip, the outer surface of said tubular part being covered by a layer of antifriction material bonded to said outer surface prior to the cutting, bending and closing of the steel strip.