Title:
METHOD FOR PRODUCING DRIVE SHAFT
Document Type and Number:
WIPO Patent Application WO/2020/174697
Kind Code:
A1
Abstract:
A method for producing a drive shaft equipped with a tubular body (2) made of fiber-reinforced plastic, a stub yoke (3) having a through hole (8) that penetrates the axis (01) direction formed therein and being connected to an end of the tubular body (2), and a stub shaft (4), wherein the method is equipped with a connection step for connecting the stub yoke (3) and the stub shaft (4) to a mandrel (30) with a sand mold (20) formed therein, a winding step for winding fiber-reinforced plastic around the sand mold (20) and the stub yoke (3) and stub shaft (4) to form a tubular body (2), a curing step for curing the tubular body (2), an external energy application step for decomposing the sand mold (20), an extraction step for extracting the mandrel (30) from the sand mold (20) and the through hole (8) of the stub yoke (3), and a discharge step for discharging the collapsed sand mold (20) from the through hole (8) of the stub yoke (3) opened by pulling out the mandrel (30).
Inventors:
OHTA KAZUKI
MORI KENICHI
NAKAYAMA TAKAHIRO
MORI KENICHI
NAKAYAMA TAKAHIRO
Application Number:
PCT/JP2019/010051
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:
| JP2000108210A | 2000-04-18 | |||
| JPS5997007U | 1984-06-30 | |||
| CN104669639A | 2015-06-03 | |||
| JP2008230031A | 2008-10-02 | |||
| JP2016173157A | 2016-09-29 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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