Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Positioning of a mold part to form a cavity or controlling...
Patent
1997-04-24
1999-09-14
Dixon, Merrick
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Positioning of a mold part to form a cavity or controlling...
264 401, 264 403, 356378, 356241, 356372, 356375, B29C 704
Patent
active
059519258
ABSTRACT:
A rigid substrate with a first surface is provided with a graven image in that surface that is representative of a first image such as a photograph by a unique method that requires no artistic talent. The photograph is first scanned by an optical scanner to store reflected light values at multiple loci forming an X, Y grid on the photograph. The rigid substrate, such as an aluminum panel, is mounted on a bed of a computer controlled machine tool such as a milling machine. A conical drill bit drills a hole at each X, Y position or locus on the panel. The depth of the hole, drilled, or Z axis is determined by the value of reflected light stored from the optical scanning step. The depth may be directly or inversely proportional to the value. A factor applied to the X and Y values may reduce or enlarge the graven image relative to the first image. The diameter of the hole at the first surface will increase as the depth increases. The first surface may be optionally provided with a different appearance than the subsurface, such as by anodizing, to further enhance the image produced.
REFERENCES:
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patent: 5232321 (1993-08-01), Suzuki
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patent: 5486546 (1996-01-01), Mathiesen et al.
patent: 5549476 (1996-08-01), Stern
Blum Alvin S.
Dixon Merrick
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