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:
Sep. 08, 2026
Filed:
Jan. 13, 2021
Jfe Steel Corporation, Tokyo, JP;
JFE STEEL CORPORATION, Tokyo, JP;
Abstract
A gas cutting method for cutting a steel material and a steel material producing method including arranging one steel material and another steel material in proximity, setting a preheating region on the one steel material in such a way that a preheating flame applied thereto does not reach the other steel material, preheating the one steel material by applying the preheating flame to the preheating region, and gas-cutting the one steel material by moving a cutting oxygen from the preheating region across a boundary between the one steel material and the other steel material until the cutting oxygen enters the other steel material. The preheating region may be set in such a way that an outer edge of the preheating flame is at least 2 mm away from the other steel material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile