Title:
METHOD FOR MANUFACTURING HOLLOW MOLDED ARTICLE
Document Type and Number:
Japanese Patent JP2004058608
Kind Code:
A
Abstract:
To provide a method for manufacturing a hollow molded article in which no void is generated even when molding by vacuum bag molding is performed, and physical properties of the molded article are prevented from being lowered.
A semi-impregnated prepreg prepared by laminating a thermosetting resin film and a fiber-reinforcing material sheet, or a fiber-reinforcing material and the thermosetting resin film are laid on the inner face of the cavity of a hollow mold, and then, a bag is overlapped on the laid semi-impregnated prepreg or the like and the peripheral edge of the bag is directly hermetically sealed on the mold to evacuate between the bag and the hollow mold, and the semi-impregnated prepreg is cured by heating.
Inventors:
KANEKO TORU
UMEMOTO SADATAKA
SASAKI KIYOTO
UMEMOTO SADATAKA
SASAKI KIYOTO
Application Number:
JP2002223745A
Publication Date:
February 26, 2004
Filing Date:
July 31, 2002
Export Citation:
Assignee:
TOHO TENAX CO LTD
International Classes:
C08J5/24; B29C70/06; B29K105/06; B29L22/00; (IPC1-7): B29C70/06; C08J5/24
Attorney, Agent or Firm:
Yasuyo Takahata
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