US 7,178,566 B2 · Process and apparatus for producing veneer strips, chipped wood or the like

Abstract

The invention relates to a process and an apparatus for producing veneer strips, chipped wood or the like, individual pieces of wood being joined together, with grains parallel, to form a group and then a multiplicity of such groups being arranged one behind the other, with grains parallel, to form a closely packed line, whereupon this line is then fed in its longitudinal direction, transverse to the wood-grain direction, to a chipping tool. In order, during the chipping operation, largely to prevent the accumulation of coarse chips, it is proposed according to the invention that the leading group conveyed up against the chipping tool is subjected, via the following group butting against it, to a longitudinal compressive force which acts in the longitudinal direction of the line, which exceeds the relative cutting force to which the leading group is subjected by the chipping tool, and which is largely absorbed by the leading group, which, by way of its advancement speed being braked, acts as an abutment.

Claims27

Dependent claims

A process for producing veneer strips or chipped wood, comprising:

forming a plurality of wood groups, each of said wood groups comprising a plurality of board portions positioned in a stacked manner, with their respective grains parallel to one another and to a given grain direction;
arranging a plurality of said wood groups one behind the other in a line extending in a longitudinal direction, with their respective grains parallel to said grain direction, to form a closely packed line of said wood groups, comprising a leading group and a plurality of successive groups;
feeding said line in said longitudinal direction, transverse to said grain direction, toward a chipping tool, at an advancement speed, such that said leading group is cut by said chipping tool exerting a cutting force on said leading group;
applying a longitudinal compressive force in said longitudinal direction, in a manner such that said force urges said leading group by a successive group immediately succeeding said leading group, wherein said longitudinal compressive force exceeds said cutting force and
braking the advancement speed of said leading group such that said leading group acts as an abutment to substantially absorb said longitudinal force.

2 more elements

An apparatus for producing veneer strips or chipped wood, comprising:

a) a chipping tool;
b) a feed means for feeding a plurality of wood groups, each wood group being a stacked arrangement of planar wood pieces, toward said chipping tool, in manner such that plurality of wood groups are fed in a successive manner, along a line, and are spaced closely together, wherein said feed means includes
a conveyor for conveying said plurality of said wood groups in an advancement direction, said advancement direction being a longitudinal direction toward the chipping tool, said conveyor being constructed and arranged to apply an advancement force in the advancement direction to at least one of said wood groups such that a leading group, which is the wood group most proximal to the cutting tool is urged, by at least one of the wood groups succeeding it, with a longitudinal compressive force, said conveyor further including
i) an adjusting means for adjusting said longitudinal compressive force to exceed a cutting force to which the leading group is subjected by the chipping tool, and
ii) a braking means for applying a braking force to said leading group at a location proximal to said cutting tool, said braking means having an adjustment means for adjusting said braking force so as to substantially absorb said longitudinal compressive force by said leading group acting as an abutment.

2 more elements

Dependencies are inferred from the claim text.

Process and apparatus for producing veneer strips, chipped wood or the like

Life of this patent

Process and apparatus for producing veneer strips, chipped wood or the like

Life of this patent

Abstract

Claims27