Title:
METHOD OF PRODUCING COMPOSITE MATERIAL HAVING FOAMED RESIN LAYER AND SURFACE LAYER
Document Type and Number:
WIPO Patent Application WO2002016108
Kind Code:
A3
Abstract:
A method of producing a composite material, including providing a surface layer (31) in a first mold (4) such that the surface layer is in contact with an interior surface thereof, disposing a second mold (5) in position so that a space is defined between the second mold and the surface layer, the second mold having plural groups of perforations (11, 11A, 11B); feeding expanded resin beads (30) to the space to fill the space therewith, deaerating the space, and then introducing a heating medium into the space successively through the plural groups of perforations of the second mold to fuse and bond the expanded resin beads.
Inventors:
TEZUKA HISAO (JP)
UEGURI MOTOAKI (JP)
UEGURI MOTOAKI (JP)
Application Number:
PCT/JP2001/007274
Publication Date:
May 30, 2002
Filing Date:
August 24, 2001
Export Citation:
Assignee:
JSP CORP (JP)
TEZUKA HISAO (JP)
UEGURI MOTOAKI (JP)
TEZUKA HISAO (JP)
UEGURI MOTOAKI (JP)
International Classes:
B29C44/00; B29C44/34; B68G7/06; (IPC1-7): B29C44/34
Foreign References:
| US4206166A | 1980-06-03 | |||
| DE19754180A1 | 1998-06-18 | |||
| US4456573A | 1984-06-26 | |||
| FR2772300A1 | 1999-06-18 |
Download PDF: