公开(公告)号：EP3023264A4

公开(公告)日：2017-03-15

申请号：EP14826174

申请日：2014-07-14

申请人： HONGDUK IND CO LTD

发明人： LEE BYUNG HO ,  LEE KWANG JIN

IPC分类号： B60C9/04 ,  B29D30/08 ,  B60C9/18

CPC分类号： B60C9/2006 ,  B60C9/0007 ,  B60C9/0057 ,  B60C2009/0085 ,  B60C2009/0092 ,  B60C2009/2074 ,  B60C2009/2077 ,  B60C2009/209 ,  B60C2009/2096 ,  D02G3/12 ,  D02G3/48 ,  D07B1/0646 ,  D07B1/0693 ,  D07B7/025 ,  D07B2201/2002

摘要： A steel cord for tire reinforcement according to the present invention is elongated in one direction and comprises a plurality of strands twisted periodically on one another, and the steel cord for tire reinforcement is characterized in that the steel cord is formed to have a first waveform having a first waveform surface and a second waveform having a second waveform surface, the first and second waveforms are formed to overlap each other, and a predetermined inclined angle is defined between the normal of the first waveform surface of the first waveform and the normal of the second waveform surface of the second waveform.

公开(公告)号：EP2925474A4

公开(公告)日：2016-08-03

申请号：EP14843194

申请日：2014-08-01

申请人： HONGDUK IND CO LTD

发明人： LIM SEUNG HO

IPC分类号： B23D61/18 ,  B24B27/06 ,  B24D11/00

CPC分类号： B23D61/185

公开(公告)号：EP2919936A4

公开(公告)日：2016-08-03

申请号：EP14843195

申请日：2014-08-01

申请人： HONGDUK IND CO LTD

发明人： LIM SEUNG HO

IPC分类号： B23D61/18 ,  B24B7/06 ,  B28D1/08

CPC分类号： B23D61/185