The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 06, 2014
Filed:
Oct. 19, 2009
Hideaki Korai, Tsukuba, JP;
Atsushi Sumida, Nagoya, JP;
Takayoshi Osada, Kakamigahara, JP;
Osamu Yasuda, Seki, JP;
Keishi Tanaka, Kakamigahara, JP;
Hideaki Korai, Tsukuba, JP;
Atsushi Sumida, Nagoya, JP;
Takayoshi Osada, Kakamigahara, JP;
Osamu Yasuda, Seki, JP;
Keishi Tanaka, Kakamigahara, JP;
Forestry and Forest Products Research Institute, Tsukuba-Shi, JP;
Swood Company Limited, Kakamigahara-Shi, JP;
Abstract
[Problem to be Solved] When a wood raw material is heat-pressed in order to produce a woody material or woody board, steam is generated in an interior of the wood raw material. The heat-pressed wood raw material is then decompressed with the steam staying in the interior of the wood raw material. This causes a puncture or a rupture of the woody material. The puncture occurs in the last phase of the production process, thus spoiling the entire production process. In order to avoid the puncture, the wood raw material needs to be dried completely. This requires a large amount of energy. [Solution] In order to solve the foregoing problems, the present invention provides a heat pressing apparatus and a method for producing a woody material, the method including the steps of: