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:
Mar. 04, 1997
Filed:
Jan. 04, 1996
Applicant:
Inventors:
Ryoji Kusakabe, Kobe, JP;
Tatsuaki Urata, Kobe, JP;
Assignee:
Kusakabe Electric & Machinery Co., Ltd., Hyogo-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ;
U.S. Cl.
CPC ...
228 17 ; 228 175 ;
Abstract
A tubular shape finishing apparatus in a steel pipe manufacturing system which molds band steel in a tubular shape while passing through a plurality of sets of forming roll stands and welds the butt portion by a seam welding unit, the tubular shape finishing apparatus welding the pipe by a seam welding unit, cutting off padding by a bead cutter, finishing and shaping the same into a shape of a desired diameter, and to be about an complete round, and comprising one or two of 3-roll forcible drive type stand or 3 or more roll forcible drive type stands disposed in series.