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. 09, 1982
Filed:
Aug. 02, 1979
Applicant:
Inventors:
Tatsuo Hiroshima, Nishinomiya, JP;
Takahide Sakamoto, Mino, JP;
Kenichi Matsui, Mino, JP;
Ichiroh Ohgaki, Suita, JP;
Assignee:
Sumitomo Metal Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
164154 ; 148 / ; 164263 ; 266 50 ; 266 51 ; 266 58 ; 266 92 ;
Abstract
A cutting apparatus lights the surface of a moving hot steel material with lamps, locates any flaw with a video camera or the like, scarfs the surface of the steel material adjacent the flaw with a scarfing torch, measures the depth of the flaw with an eddy current detecting probe or the like, estimates accurately the loss of length due to conditioning size and depth of the flaw with a computer, and cuts the steel material in a predetermined length plus the accurately estimated length corresponding to the loss of length due to conditioning.