Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1991-02-06
1992-07-28
Kisliuk, Bruce M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 74BS, 51 98BS, 51102, 51168, 51 73R, B24B 904
Patent
active
051331578
ABSTRACT:
Apparatus for separately sharpening the two sides of cutting edges of knife blades in slaughterhouses, butcher shops and similar establishments has a housing for a ring-shaped flexible sharpening tool and a drum-shaped carrier for the tool. The carrier is driven by a reversible electric motor. A detachable wall of the housing in front of the tool supports two discrete V-shaped blade positioning members so that the positioning members extend into the space around an annular internal sharpening surface of the tool. One side of the cutting edge of a blade is sharpened while the blade is received in one of the positioning members in such orientation that the internal surface removes material in a direction from the back toward the cutting edge. The other side of the blade is thereupon treated while extending into the other positioning member and while the direction of rotation of the tool is reversed by a knob which is accessible at the exterior of the housing and can change the position of a barrier which blocks introduction of a blade into one of the positioning members while the other positioning member receives a blade and vice versa. The lower portion of the housing can confine a body of water which gathers removed particles of metallic material.
REFERENCES:
patent: 3140526 (1964-07-01), Tlamicha
patent: 3332173 (1967-07-01), McMaster
patent: 4236355 (1980-12-01), Hennenfent et al.
patent: 4640059 (1987-02-01), Komossa et al.
patent: 4716689 (1988-01-01), Friel
patent: 4974370 (1990-12-01), Gosis
Kisliuk Bruce M.
Kontler Peter K.
Morgan Eileen P.
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