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:
Feb. 20, 1996
Filed:
Dec. 19, 1994
Terrance C Marlinga, Kawkawlin, MI (US);
AP Parts Manufacturing Co., Toledo, OH (US);
Abstract
A composite tube and method of manufacture are provided. The composite tube is formed from a plurality of tube segments which are different from one another. The tube segments may differ in cross-sectional dimensions and/or material of manufacture. The tube segments are welded in end-to-end relationship to define a composite tube. The composite tube is then bent into a selected non-linear shape. Preferably, the welds are disposed at locations on tangents between adjacent bends. Bending forces and bending speed are altered from one bend to the next in view of anticipated strength and metallurgical characteristics of the particular tube segment in which the bend is being carried out.