Title:
合板及びその製造方法
Document Type and Number:
Japanese Patent JP7180594
Kind Code:
B2
Abstract:
The present invention provides a plywood having superior impact resistance, and a production method for the plywood. The present invention provides a plywood that has at least a first layer and a second layer in this order from the top, and that is characterized in that: (1) each of the first and second layers is made from a wood material; (2) the first layer has a thickness of less than 1.0 mm; (3) the second layer has a specific gravity greater than that of the first layer; and (4) the first layer has a specific gravity of less than 0.50.
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Inventors:
Takashi Doi
Shimizu Masafumi
Shimizu Masafumi
Application Number:
JP2019523985A
Publication Date:
November 30, 2022
Filing Date:
June 07, 2018
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
B27D1/04
Domestic Patent References:
| JP2002225009A | ||||
| JP2011251486A | ||||
| JP8309711A | ||||
| JP2007136876A | ||||
| JP2013226680A |
Foreign References:
| WO2003035341A1 | ||||
| CN104772797A |
Attorney, Agent or Firm:
Saegusa International Patent Office