Title:
CONCRETE FORMWORK PANEL
Document Type and Number:
WIPO Patent Application WO/2023/017769
Kind Code:
A1
Abstract:
[Problem] To provide a concrete formwork panel that makes it possible to produce superiorly attractive concrete that has a smooth finished surface and is unmarred by gum. [Solution] According to the present invention, a concrete formwork panel is produced by layering a resin sheet on the surface of a wood composite board that comprises plywood and wood fiberboard. The concrete formwork panel is characterized in that the resin sheet is layered on the surface of the wood fiberboard of the wood composite board and in that the plywood includes at least Hinoki cypress, falcata, eucalyptus, or Sakhalin fir.
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Inventors:
KAGAWA SEIZO (JP)
TAKESHITA KOZO (JP)
TANIWAKI HIROSHI (JP)
TAKESHITA KOZO (JP)
TANIWAKI HIROSHI (JP)
Application Number:
PCT/JP2022/029885
Publication Date:
February 16, 2023
Filing Date:
August 04, 2022
Export Citation:
Assignee:
OKURA INDUSTRIAL CO LTD (JP)
International Classes:
E04G9/10
Domestic Patent References:
| WO2008155244A2 | 2008-12-24 |
Foreign References:
| JPH11129211A | 1999-05-18 | |||
| JPH1044325A | 1998-02-17 | |||
| JP2016121436A | 2016-07-07 | |||
| JP2002106167A | 2002-04-10 |
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