Method and apparatus for use in producing reconsolidated...

Details Method and apparatus for use in producing reconsolidated... Method and apparatus for use in producing reconsolidated...

B - Operations, Transporting

27

M

144/118

B27M 1/02 (2006.01) B27L 11/08 (2006.01) B27N 3/04 (2006.01) B27N 3/14 (2006.01)

Patent

CA 1329755

-ABSTRACT- 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 carcase 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.

599617

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