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:
Sep. 02, 1980
Filed:
Feb. 07, 1979
Applicant:
Inventors:
Assignee:
Mannesmann Aktiengesellschaft, Mannesmannufer, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P / ; B23K / ; B21D / ;
U.S. Cl.
CPC ...
2281 / ; 29463 ; 72256 ; 72367 ;
Abstract
An axle body is made by extruding a blank for forward extruding a neck portion and backward extruding a hollow shell portion, a transition zone is also produced by forward extrusion; the resulting shell portion is rolled into a nonround cross section, of, possibly, different wall thickness; two such shell portions are welded at their respective ends.