公开(公告)号：US11821491B2

公开(公告)日：2023-11-21

申请号：US16752819

申请日：2020-01-27

Applicant: SAMWON ACT CO., LTD.

Inventor： Kwang Ho Bae

IPC: F16L11/22 ,  F16G3/08 ,  H02G3/04

CPC classification number: F16G3/08 ,  F16L11/22 ,  H02G3/0406 ,  H02G3/0481

Abstract: The present invention provides a belt member comprising: a tubular body; and a belt member unit comprising #1 protrusion area located at #1 predetermined position of the body, where by inserting and placing each protrusion area of layer #2 belt member in each opening of layer #1 belt member, the layer #1 belt member and the layer #2 belt member can be prevented from falling out.