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Title:
MANUFACTURE OF LIGNEOUS BOARD
Document Type and Number:
Japanese Patent JP3050156
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a method for manufacturing a ligneous board by which simplification of a manufacturing process and shortening of manufacturing time are enabled and reduction of a manufacturing cost is enabled and such the ligneous board is obtained that a warpage is few and dimensional stability is high and strength is sufficient.
SOLUTION: Wood is cut to manufacture wooden flakes and the wooden flakes are coated with a binder. Preliminarily formed material 1 is obtained by forming the wooden flakes coated with the binder. Formed material having 5-15%. water content just after pressing is obtained by a steam injection pressing process for hot-pressing, forming and humidifying the preliminarily formed material 1. Further, wood is cut to manufacture wooden flakes. Water content of the wooden flakes is regulated to 10-25%. and thereafter the wooden flakes are coated with the binder. Or, when the wooden flakes are coated with the binder, water is added so that water content becomes 10-25%. The preliminarily formed material 1 is obtained by forming the wooden flakes coated with the binder. The formed material having 5-15%, water content just after forming is obtained by a forming process for hot-pressing and forming the preliminarily formed material 1.


Inventors:
Satoshi Suzuki
Shigeki Kataoka
Oomoto Kano
Tatsuo Iwata
Application Number:
JP1434897A
Publication Date:
June 12, 2000
Filing Date:
January 28, 1997
Export Citation:
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Assignee:
Yamaha Corporation
International Classes:
B27N3/04; B27N3/08; B27N3/18; B27N3/02; (IPC1-7): B27N3/18; B27N3/02; B27N3/08
Domestic Patent References:
JP7232309A
Attorney, Agent or Firm:
Masatake Shiga (2 outside)