Gear cutting – milling – or planing – Milling – Process
Patent
1991-11-04
1993-12-21
Bray, W. Donald
Gear cutting, milling, or planing
Milling
Process
29 335, 83864, 83865, 144 2R, 144 2J, 144362, 405157, B23C 900, B27M 102
Patent
active
052716996
ABSTRACT:
A process and apparatus for forming a wood grain simulation pattern on surfaces of synthetic articles such as synthetic lumber planks. The articles are fed along a predetermined path on a conveyor surface. A plurality of cutting blades are disposed about the periphery of a rotatable cylindrical element supported on a drive shaft. As the synthetic article is fed under the rotatable cylindrical element which is in rotation, the blades which are disposed across an outer surface of the article on which a grain simulation is desired, cut a plurality of short slits spaced laterally from one another in an offset pattern. These slits extend along the feed axis of the article and simulate a wood grain in the outer surface thereof.
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Barre Guy
Vigneault Remi
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