Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1976-02-10
1977-02-22
Smith, Gary L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 81R, 51140, 156509, 156510, 156535, B24B 702, B32B 3104
Patent
active
040085457
ABSTRACT:
A machine for preworking overlapping abrasive coated joint comprising original roll unit, cutting and working unit, and slit unit sections. The cutting and working unit section has a horizontal table 9 having a knife blade 21 attached to its forward end. First and second flaps are swivellably mounted on said cutting and working section by means of a shaft in such a way that their end portions are brought to the position flush with said knife edge and in contact therewith. A belt material hold down roller is disposed on the top surface of said second flap. In the cutting and working unit section, an upper working unit and a lower working unit are disposed above and below said horizontal table. The upper working unit having a circular cutter for cutting the grinding belt material, a grinding wheel for skiving, and a shaving grinding belt for pointing the upper end surface of the grinding belt material. The lower working unit having a shaving grinding belt for pointing the lower end surface of the grinding belt material which is being pinched between said second flap and a pointing plate.
REFERENCES:
patent: 2661579 (1953-12-01), Lomazzo
patent: 2794726 (1957-06-01), Riedesel
patent: 3058868 (1962-10-01), Schroeder
patent: 3269065 (1966-08-01), Nylund
patent: 3336700 (1967-08-01), Kuzmik
patent: 3633319 (1972-01-01), Maag
patent: 3654735 (1972-04-01), Gentile
Ishii Masatoshi
Koide Sakae
Yamamoto Yukiharu
Smith Gary L.
Tajara Shoyei Kiko K.K.
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