Woodworking – Process – Mechanical cutting or shaping
Patent
1989-08-01
1991-01-15
Bray, W. Donald
Woodworking
Process
Mechanical cutting or shaping
83875, 83879, 144 3R, 144 41, 144103, 14413612, 144371, B27M 108, B27M 100
Patent
active
049846159
ABSTRACT:
A method and device for making a completely smooth cut in a sandwich panel constructed of a core having two relatively thin and mechanically resistant skin plates adhered thereto on both sides. The disclosed method using the steps of cutting a channel in at least one of the skin plates and cutting the core with another blade through the previously cut channel.
REFERENCES:
patent: 3421556 (1969-01-01), Clifford
patent: 3605534 (1974-09-01), Barr
patent: 4083390 (1978-04-01), Ingham
patent: 4181164 (1980-01-01), Meniconi
patent: 4342349 (1982-08-01), Lipman
patent: 4798118 (1989-01-01), Carithers, Jr.
501 Sallmetall BV
Bray W. Donald
LandOfFree
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