Title:
MANDREL AND METHOD FOR MANUFACTURING TUBE BODY USED IN POWER TRANSMISSION SHAFT
Document Type and Number:
WIPO Patent Application WO/2020/174693
Kind Code:
A1
Abstract:
The present invention provides a mandrel (1) for manufacturing a tube body that is made of fiber-reinforced plastic and used in a power transmission shaft, characterized in that the mandrel (1) is provided with a barrel part (2) on which continuous fibers impregnated with a resin are wound, the barrel part (2) is provided with an expansion part (10) capable of expanding on a radially outer side, and an expansion amount of the expansion part (10) is greater at a central part thereof than at both end parts thereof.
Inventors:
NAKAYAMA TAKAHIRO
OHTA KAZUKI
MORI KENICHI
OHTA KAZUKI
MORI KENICHI
Application Number:
PCT/JP2019/010034
Publication Date:
September 03, 2020
Filing Date:
March 12, 2019
Export Citation:
Assignee:
SHOWA CORP (JP)
International Classes:
B29C70/30; B29C70/54; F16C3/02
Foreign References:
| KR20180003205A | 2018-01-09 | |||
| JP2000108210A | 2000-04-18 | |||
| JP2012530628A | 2012-12-06 | |||
| JP2005016619A | 2005-01-20 | |||
| JPH0788968A | 1995-04-04 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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