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:
Jan. 01, 1991
Filed:
Jul. 14, 1989
Applicant:
Inventor:
Maurice L Caudill, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ; B21D / ; F16L / ;
U.S. Cl.
CPC ...
29509 ; 72316 ; 2853825 ; 29523 ;
Abstract
A tube assembly is formed by placing a sleeve member over an end portion of a tube and then placing the tube and sleeve in a die. A movable punch is then pressed against a projecting end portion of the tube thereby forming a radially extending double upset flange integrally with the sleeve member. The sleeve member has contact surfaces against which a substantial portion of the radially extending double upset flange conforms. A portion of the outer surface of the tube, and the entire surface of a compound curved fillet extending from the outer surface of the tube to a radially outwardly extending surface of the flange also conform to the sleeve member.