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US 2022/0307197 A1Published application
Steel cord and tire
AssigneeSumitomo Electric Tochigi Co., Ltd.
InventorsAkifumi MATSUOKA, Shinichi YOSHIDA
Life of this patent
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Abstract
A steel cord includes one or more core filaments, and outer sheath filaments provided so as to surround the one or more core filaments. The one or more core filaments and the outer sheath filaments have an identical wire diameter and an identical twist pitch. At least one of the one or more core filaments is a waved filament having a bent portion and a non-bent portion along a longitudinal direction.
Claims9
A steel cord comprising:
- one or more core filaments;
- and
- outer sheath filaments provided so as to surround the one or more core filaments,
- wherein the one or more core filaments and the outer sheath filaments have an identical wire diameter and an identical twist pitch, and
- wherein at least one of the one or more core filaments is a waved filament having a bent portion and a non-bent portion along a longitudinal direction.
2 more elements
Dependencies are inferred from the claim text.