A WOOD-MODIFYING APPARATUS

WIPO Patent Application WO/2006/081756

A1

A wood-modifying apparatus which is used to treat artificial forest woods, fast-growing high-yield forest woods, and other woods for modification includes sealable pressure tank, vacuum system, pressurizing system, and wood charging carriage, said vacuum system and pressurizing system are connected to the sealable pressure tank by pipelines, said wood charging carriage can be pushed in or pulled out from the sealable pressure tank, and to the sealable pressure tank is connected a steam/hot-air system which has the function to inject hot-air or steam into the sealable pressure tank, to control pressure and to treat the discharged hot-air or steam. The invention can be used to directly modifying treat not only the dry wood with low moisture content, but also the wet or raw wood with high moisture content, and thus the physical-mechanical properties such as density, hardness, and strength of the woods are improved, and/or the special functions such as flame-retarding, preservative, insulating and electric-conducting are achieved, and/or oily substances are removed such that the drawbacks such as deforming and cracking are alleviated. The whole treatment process does not produce any pollution on environment.

CHEN WANLI (CN)
WU ZILIANG (CN)

PCT/CN2006/000141

August 10, 2006

January 25, 2006

Click for automatic bibliography generation  

YANG JUN (CN)
GAO ZHONGHAI (CN)
CHEN WANLI (CN)
WU ZILIANG (CN)

B27K5/00; B27K3/02; B27K3/10; B27M1/02

RU2037395C1

1995-06-19

ZHUANG S. ET AL.: "Research On High Efficient Energy-Saving Wood Vacuum Drying", FORESTY INDUSTRY, CHINA, March 1996 (1996-03-01)

KELONG INTERNATIONAL INTELLECTUAL PROPERTY AGENT LTD. (Bldg. A Horizon International Tower, No. 6 Zhichun Roa, Haidian District Beijing 8, CN)

View/Download PDF      PDF Help

Previous Patent: WOOD-MODIFYING COMPOSITION AND METHOD FOR ITS PREPARATION, AS WELL AS ITS USES

Next Patent: INFORMATION TRANSMISSION METHOD