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Patent Searching and Data


Title:
SHAFT FOR GOLF CLUBS AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2018/158908
Kind Code:
A1
Abstract:
This shaft for golf clubs has a metal structure which contains from 0.4% by mass to 0.65% by mass of C, more than 0% by mass but 0.80% by mass or less of Si, from 0.1% by mass to 1.50% by mass of Mn, more than 0% by mass but less than 0.30% by mass of Cr and at least one element selected from among the group consisting of from 0.05% by mass to 0.40% by mass of V, from 0.03% by mass to 0.15% by mass of Nb and from 0.01% by mass to 0.10% by mass of Ti, with the balance made up of Fe and unavoidable impurities. This metal structure comprises undissolved cementite in an area ratio of 0.5% or less.

Inventors:
KUBO, Hironori (4-1, Marunouchi 3-chome, Chiyoda-k, Tokyo 66, 〒1008366, JP)
Application Number:
JP2017/008290
Publication Date:
September 07, 2018
Filing Date:
March 02, 2017
Export Citation:
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Assignee:
NISSHIN STEEL CO., LTD. (4-1 Marunouchi 3-chome, Chiyoda-ku Tokyo, 66, 〒1008366, JP)
International Classes:
A63B53/12; A63B102/32
Foreign References:
JP2005013535A2005-01-20
JP2005034517A2005-02-10
JPH0344126B21991-07-05
JP2006063384A2006-03-09
JP2015105383A2015-06-08
JP2013076128A2013-04-25
US4125260A1978-11-14
Attorney, Agent or Firm:
SOGA, Michiharu et al. (S. Soga & Co, 8th Floor Kokusai Building, 1-1, Marunouchi 3-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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