公开(公告)号：US20240033855A1

公开(公告)日：2024-02-01

申请号：US18020665

申请日：2021-03-05

Applicant: SAMSUNG MEDICAL RUBBER CO., LTD

Inventor： Jae Hak CHUNG

IPC: B23K26/359 ,  B41M1/32

CPC classification number: B23K26/359 ,  B41M1/32

Abstract: The present invention relates to a method for marking the surface of a rubber stopper with a character or numeral by irradiating the surface of the rubber stopper with a laser beam. According to the method of the present invention, there are advantages in that when a mark is made on a rubber stopper, foreign matter is not produced, deformation of the rubber stopper does not occur, and the mark is not erased or spread.