Stock material or miscellaneous articles – Structurally defined web or sheet – Including sheet or component perpendicular to plane of web...
Patent
1986-06-02
1987-12-08
Bray, W. D.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including sheet or component perpendicular to plane of web...
144134D, 144371, 144355, 409178, 409132, B05D 512
Patent
active
047117990
ABSTRACT:
The present invention is directed to a method and apparatus for shaping the inside corner of slabs of material comprised primarily of polymethyl methacrylate filled with alumina trihydrate. The process involves fastening a connecting slab between horizontal and vertical slabs and shaping the connecting slab with an arcuate shape which meets the flat surfaces of the horizontal and vertical slabs. The tool for the process has cutting surfaces to create the indicated inside corner shape and is used in conjunction with a base for a rotary motor router. The resulting product has a rounded inside corner which appears molded as a single piece, rather than a combination of pieces or slabs.
REFERENCES:
patent: 2729437 (1956-01-01), Brenner
patent: 3212541 (1965-10-01), Burrows et al.
patent: 3628579 (1971-12-01), Roche
patent: 3893372 (1975-07-01), Strakeljahn
patent: 3913447 (1975-10-01), Roche
"Talking Technical-Bullnose/Scotia Fabrication", Corian News, DuPont (Australia) Ltd., 168 Walker Street, North Syndey, Australia, vol. 1, No. 2, Sep. 1982.
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