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:
Jun. 07, 1988
Filed:
Feb. 02, 1987
Applicant:
Inventor:
Yutaka Yajima, Akishima, JP;
Assignee:
Tachikawa Spring Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228-61 ; 228 17 ; 2281734 ; 29 3 / ; 29 3 / ; 29563 ;
Abstract
An apparatus for forming a pipe frame for use in a vehicle seat is disclosed in which spring clamps are welded to a rectilinear pipe material of a predetermined length at the predetermined positions thereof, the pipe material is then bent into a required configuration, one of two ends of the pipe material is then compressed to form such a smaller diameter portion as to be insertable into the inside diameter portion of the other end, and the compressed smaller diameter portion of the one end is forcibly inserted into the other end so that the inserted portion of the pipe material is welded.