Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1997-02-24
1998-09-29
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156296, 156259, 264112, 181208, 181290, 181294, B32B 528, B32B 3118
Patent
active
058141707
ABSTRACT:
A multi-layered composite building material is provided which allows effective utilization of forest resources by using so-called low quality materials such as small-diameter wood, old wood, pieces of wood produced as byproducts of lumbering, and/or bamboo. The material can meet various requirements and properties, and can be produced at a low cost. In a structural layer, an adhesive agent is applied to a plurality of finely split pieces which are formed by finely splitting a raw material such as wood or bamboo. The finely split pieces are arranging in parallel to a fiber direction. A shock/vibration-absorbing layer is formed by applying an adhesive agent to small pieces of wood and bamboo and the like. Structural layers and shock/vibration-absorbing layers are alternately arranged to provide a multi-layered structure. The structure is press-molded to a predetermined thickness and optionally heated such that the layers are adhered together to produce the composite multi-layered material. The shock/vibration-absorbing layer may be mixed with resin formed, for example, as a pellet shape, to provide a mixed vibration-absorbing material with improved properties.
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Fujii Tsuyoshi
Kawamoto Sumire
Korai Hideaki
Shibusawa Tatsuya
Ball Michael W.
Hoppin Ralph F.
Lipsitz Barry R.
The Forestry and Forest Research Institute
Yao Sam Chuan
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