Metal working – Upholstered article making – Tufting
Patent
1976-08-06
1977-07-19
Hinson, Harrison L.
Metal working
Upholstered article making
Tufting
B26D 100
Patent
active
040358887
ABSTRACT:
A detachable cutting plate which is of polygonal, equilateral, but not equiangular, shape and designed for centerless descaling of rough-drawn or rough-rolled materials, by radial mounting on a rotary multi-tool head, characterized in that it comprises along each main cutting edge two adjoining chip-breaking surfaces consisting of separate concave grooves; (a) the first facing the straight part of the main cutting edge, of which the axis directing the surface is parallel with the said edge and forming a cutting angle .alpha..sub.1 ; (b) the second facing the curved part of the edge connecting the main cutting edge to the secondary planing edge having a directing axis perpendicular to the plane bisecting the curved cutting part and forming a cutting angle .alpha..sub.2.
REFERENCES:
patent: 3271842 (1966-09-01), Brevning
patent: 3314126 (1967-04-01), Stier
patent: 3557416 (1971-01-01), Jones
patent: 3777341 (1973-12-01), Faber
patent: 3802041 (1974-04-01), Swann
patent: 3815194 (1974-06-01), Gofke
Hinson Harrison L.
Ugine Carbone
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