Title:
PRODUCTION METHOD FOR FIBER-REINFORCED RESIN TUBE
Document Type and Number:
WIPO Patent Application WO/2021/260953
Kind Code:
A1
Abstract:
Provided is a production method for a fiber-reinforced resin tube, whereby clearance can be ensured in the mold and the weight of the tube can be reduced. The production method for the fiber-reinforced resin tube includes: arrangement steps (S4, S5, S6) in which fibers are arranged on the outer circumferential surface of a mandrel, by using the filament window method; an expansion step (S8) in which, after the arrangement steps (S4, S5, S6), the mandrel having a fibrous body arranged thereupon is disposed inside a mold and the mandrel 10 is expanded by pressurizing the inside of the mandrel upon which the fibrous body is arranged; and a molding step (S9) in which, after the expansion step (S8), resin is supplied to inside the mold, the resin is caused to impregnate the fibrous body, and a tube is molded by curing the impregnated resin 54.
Inventors:
NAKAYAMA TAKAHIRO
MORI KENICHI
MORI KENICHI
Application Number:
PCT/JP2020/025393
Publication Date:
December 30, 2021
Filing Date:
June 26, 2020
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
B29C70/32
Foreign References:
| JPH0647822A | 1994-02-22 | |||
| JPH06270268A | 1994-09-27 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
Download PDF: