【発明の名称】再固化木材製品の製造に使用するための改良方法および装置

Japanese Patent JPH03504216

A

PCT No. PCT/AU89/00215 Sec. 371 Date Dec. 31, 1990 Sec. 102(e) Date Dec. 31, 1990 PCT Filed May 17, 1989 PCT Pub. No. WO89/11383 PCT Pub. Date Nov. 30, 1989.Apparatus and method for spreading and refining natural wood (13) which has been crushed in a pair of crushing rollers, to form a flexible open lattice work web (14) of naturally interconnected wood strands which are generally aligned along a common grain direction and a substantial proportion of which are substantially discrete but incompletely separated from each other. The spreading and refining is performed by passing the crushed carcass (14) through at least two roller pairs (30) which have spaced corrugated rollers (32) with the maximum spacing between the corrugations of the opposed spaced corrugated rollers decreasing in the roller pairs with increasing distance from the crushing rollers. At least one roller (32) of each spaced corrugated roller pair is axially reciprocated. Between said at least two spaced corrugated roller pairs (30) is a pair (66) of intermeshing corrugated rollers (70, 74). A pair (46) of rollers (50, 56) incorporating a series of axially spaced blades (48) may be provided to break up knots and spiral grain growth and downstream of a last of the spaced corrugated roller pairs (30) a rolling harrow (82) or further pair (66) of intermeshing rollers may be provided.

Searay, Robin David
Campbell, Maxwell George

JP50532389A

September 19, 1991

May 17, 1989

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South Australian Timber Corporation

B27L11/08; B27N3/04; B27N3/12; B27N3/14; B27N3/24; (IPC1-7): B27L11/08; B27N3/12; B27N3/24

Aoyama Ryo (1 person outside)

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