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:
May. 29, 2018
Filed:
Sep. 02, 2015
Posco, Pohang-si, KR;
POSCO, Gyeongsangbuk-Do, KR;
Abstract
A method for surface treatment of a roll, in which a laser is emitted on a roll surface to fabricate a pattern, includes a section allocation operation in which the roll surface is divided into multiple sections, and a pattern fabrication operation in which the roll is rotated in a circumferential direction, and a random pattern is fabricated on each of the fabrication sections, and an apparatus includes an apparatus frame, a fixing unit which is installed on the apparatus frame, supports a roll, and rotates in a circumferential direction of the roll, a laser unit which is installed on the apparatus frame, and emits a laser to the roll so that a pattern received may be formed on the roll surface through etching, and a displacement unit which is installed on the apparatus frame, and moves the laser unit along a lengthwise direction of the roll.