MOLD FOR RESIN MOLDING, METHOD FOR MANUFACTURING MOLD FOR RESIN MOLDING, AND RESIN MOLDED PRODUCT

Title:

MOLD FOR RESIN MOLDING, METHOD FOR MANUFACTURING MOLD FOR RESIN MOLDING, AND RESIN MOLDED PRODUCT

Document Type and Number:

WIPO Patent Application WO/2008/065946

Kind Code:

A1

Abstract:

This invention provides a mold for resin molding which is permeable to air and can be manufactured without a large amount of labor. The mold for resin molding comprises a mold (12), a design layer (16) provided on the inner side face of the mold (12), and an air permeable interposing layer (22) for providing the design layer (16) on the inner side face of the mold (12). The mold (12) is characterized in that throughholes (14) for ventilation are provided, the design layer (16) is formed of a resin having concavoconvexes on its surface, throughholes (18) for ventilation are provided by boring so as to communicate with the throughholes (14) for ventilation, and the air permeable interposing layer (22) is continuously provided on the inner side face of the mold (12) so as to communicate with the inner side face of the design layer (16), the throughholes (18) for ventilation in the design layer (16), and the throughholes (14) for ventilation in the mold (12).

Inventors:

YONESHIMA SADAYUKI (JP)
SAKAI MASAYUKI (JP)
AOTA HISAO (JP)
WATANABE HIROSHI (JP)
SAMEZIMA MITSUAKI (JP)
OMIYA YUMIKO (JP)

Application Number:

PCT/JP2007/072554

Publication Date:

June 05, 2008

Filing Date:

November 21, 2007

Export Citation:

Click for automatic bibliography generation Help

Assignee:

TANAZAWA HAKKOSHA KK (JP)
YONESHIMA SADAYUKI (JP)
SAKAI MASAYUKI (JP)
AOTA HISAO (JP)
WATANABE HIROSHI (JP)
SAMEZIMA MITSUAKI (JP)
OMIYA YUMIKO (JP)

International Classes:

B29C33/40; B29C33/42; B29C51/36

Foreign References:

JPH08150624A	1996-06-11
JP2000289033A	2000-10-17
JPS6149811A	1986-03-11
JPH0994833A	1997-04-08
JPH0957770A	1997-03-04
JPH0214173B2	1990-04-06

Other References: