Title:
BLADDER BAG AND MOLDING METHOD OF COMPOSITE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/096833
Kind Code:
A1
Abstract:
This bladder bag, which is a mold for forming the interior of a composite material, is easily removable without sacrificing uniformity of pressurization of the interior of the composite material, and this molding method of a composite material allows easy removal of the bladder bag. The bladder bag 20, which is a mold for forming the interior of the composite material 10, comprises a bladder bag main body 22 and wires 24, which are cord members. The bladder bag main body 22 comprises narrow forming parts which form narrow sections of the composite material 10 from the inside, space forming parts which form space sections of the composite material 10 from the inside, and an air introduction port 28 for introducing air into the bladder bag main body 22. Wires 24 are provided inside of the bladder bag main body 22, and are connected from the air introduction port 28 through at least one of the narrow forming parts to at least one inner surface of a space forming part.
Inventors:
TAKAGI KIYOKA (JP)
ISHIDA JUN (JP)
KAMO SOTA (JP)
YOSHINO KATSUYA (JP)
ABE TOSHIO (JP)
HASEGAWA KOICHI (JP)
SUGIYAMA YOSHIHIRO (JP)
ISHIDA TAKASHI (JP)
ISHIDA JUN (JP)
KAMO SOTA (JP)
YOSHINO KATSUYA (JP)
ABE TOSHIO (JP)
HASEGAWA KOICHI (JP)
SUGIYAMA YOSHIHIRO (JP)
ISHIDA TAKASHI (JP)
Application Number:
PCT/JP2017/037215
Publication Date:
May 31, 2018
Filing Date:
October 13, 2017
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B29C43/12; B29C43/32; B29C70/44; B29K105/08
Foreign References:
| JP2015142993A | 2015-08-06 | |||
| JP2003311765A | 2003-11-05 | |||
| JPS5856824A | 1983-04-04 | |||
| US20130175731A1 | 2013-07-11 | |||
| JP2016036919A | 2016-03-22 |
Other References:
See also references of EP 3482902A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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