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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/044503
Kind Code:
The purpose of the present invention is to further improve the strength and durability of a wire rope. A wire rope 10 according to the present invention is provided with: a core rope 11 that is formed from a steel; a cover layer 12 that covers the outer circumference of the core rope 11 and is formed from a composite resin; and a plurality of lateral strands 13 that are formed from a steel and are wound around the outer circumference of the core rope 11, which has been covered by the cover layer 12. The composite resin that constitutes the cover layer 12 is obtained by blending cellulose nanofibers into a polypropylene resin that serves as the matrix.

YAMAMOTO Yukito (6-2, Nihonbashi 3-chome, Chuo-k, Tokyo 06, 〒1038306, JP)
KATAYAMA Takuya (6-2, Nihonbashi 3-chome, Chuo-k, Tokyo 06, 〒1038306, JP)
WATANABE Shigeki (6-2, Nihonbashi 3-chome, Chuo-k, Tokyo 06, 〒1038306, JP)
Application Number:
Publication Date:
March 07, 2019
Filing Date:
August 15, 2018
Export Citation:
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TOKYO ROPE MANUFACTURING CO., LTD. (6-2 Nihonbashi 3-chome, Chuo-ku Tokyo, 06, 〒1038306, JP)
International Classes:
D07B1/16; B66B7/06; D07B1/06
Attorney, Agent or Firm:
PATENT PROFESSIONAL CORPORATION TOKYO UIT INTERNATIONAL et al. (TOMIHISA Bldg. II 6th fl, 9-7 Nihonbashi-honcho 3-chome, Chuo-k, Tokyo 23, 〒1030023, JP)
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