Title:
STEEL CORD AND TIRE
Document Type and Number:
WIPO Patent Application WO/2019/181177
Kind Code:
A1
Abstract:
This steel cord has a 1x4 structure in which four wires are twisted with each other, wherein: at least one of the four wires is a corrugated wire comprising repeated bent sections and non-bent sections along the longitudinal direction; cross-sections perpendicular to the longitudinal direction have a flat shape; and if ellipses circumscribing the four wires are drawn on a plurality of the cross-sections perpendicular to the longitudinal direction, the slopes of the short axes of the ellipses are within ± 30 degrees of the median value.
Inventors:
MATSUOKA AKIFUMI (JP)
SAITO KAZUHIKO (JP)
YAMASHITA KENICHI (JP)
TAKAMURA SHINEI (JP)
SUZUKI MASUMI (JP)
FUJISAWA KOJI (JP)
SAITO KAZUHIKO (JP)
YAMASHITA KENICHI (JP)
TAKAMURA SHINEI (JP)
SUZUKI MASUMI (JP)
FUJISAWA KOJI (JP)
Application Number:
PCT/JP2019/001896
Publication Date:
September 26, 2019
Filing Date:
January 22, 2019
Export Citation:
Assignee:
SUMITOMO ELECTRIC TOCHIGI CO LTD (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO RUBBER IND (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO RUBBER IND (JP)
International Classes:
D07B1/06; B60C9/00
Foreign References:
| JP2016075003A | 2016-05-12 | |||
| JP2001055676A | 2001-02-27 | |||
| JPH07173782A | 1995-07-11 | |||
| JPH1181167A | 1999-03-26 | |||
| JP2001213113A | 2001-08-07 | |||
| JPH07189144A | 1995-07-25 | |||
| JP2018052816A | 2018-04-05 | |||
| JP2017190032A | 2017-10-19 |
Other References:
See also references of EP 3770319A4
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
Download PDF: