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Patent Searching and Data


Title:
WOODY MOLDED ARTICLE AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2022/239850
Kind Code:
A1
Abstract:
The woody molded article (10) according to the present invention includes a woody material and a cured resin, the proportion of voids (void ratio) derived from ligneous cell lumens of the woody material that are present inside the woody molded article (10) being 5-60%, and the difference in void ratio between one region (12) and another region (14), which are positioned at mutually different depths from the surface toward the interior, being 15 points or lower. The method for producing a woody molded article according to the present invention comprises, in order: a resin-impregnated-material preparation step for preparing a resin-impregnated material by impregnating a woody raw material with a curable resin; a load application step for disposing the resin-impregnated material inside a die and applying a load to the resin-impregnated material; a load removal step for removing the load before the curable resin included in the resin-impregnated material, which is in a compressed state inside the die, solidifies; and a resin curing step for curing the curable resin to obtain a woody molded article.

Inventors:
SEKI MASAKO (JP)
ABE MITSURU (JP)
MIKI TSUNEHISA (JP)
YAMADA MITSUO (JP)
YAMADA TETSUYA (JP)
TSUKAMOTO KATSUNOBU (JP)
Application Number:
PCT/JP2022/020129
Publication Date:
November 17, 2022
Filing Date:
May 12, 2022
Export Citation:
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Assignee:
AIST (JP)
CHIYODA KOGYO (JP)
International Classes:
B27K5/00; B27N3/00; B27N3/02; B27N3/04
Domestic Patent References:
WO2003101690A12003-12-11
Foreign References:
JPH01171801A1989-07-06
JP2011020430A2011-02-03
JP2006289847A2006-10-26
JPH05111904A1993-05-07
JP2005219241A2005-08-18
Attorney, Agent or Firm:
SUZUKI Katsumasa (JP)
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