Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-05-13
1976-10-12
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 15R, 51264, B24C 322, B24C 900
Patent
active
039849430
ABSTRACT:
A liquid containing abrasives is projected through nozzles under high pressure upon the surface of an object to be treated such as sheet steel to descale and clean the surface thereof, and the projected abrasive liquid is recovered so that abrasives of suitable particle sizes may be reused. The jet liquid is a mixture of high pressure liquid and slurry abrasives which are substantially uniform in density and granular size. The mixed slurry after projection against the sheet steel workpiece is returned to a vertical style classifier before it settles to the bottom of the collecting tank. The scales which are removed from the sheet steel workpiece are separated out in the classifier while at the same time the density and the granular sizes of the abrasives are made uniform. In addition, the minuscule abrasives are caused to overflow from the classifier while the liquid and the slurry abrasives made uniform in density and granular size are conveyed to the nozzles. The latter are capable of a variety of movements and the workpiece is capable of orientation with respect to the nozzles.
REFERENCES:
patent: 1829599 (1931-10-01), McCrery
patent: 3104499 (1963-09-01), Hirons
patent: 3192677 (1965-07-01), Johnson
patent: 3237351 (1966-03-01), Millhiser
patent: 3427763 (1969-02-01), Maasberg
patent: 3434241 (1969-03-01), Greenberg
Fujimori Yoshio
Hirata Hiromasa
Iwawaki Akira
Kono Yasumasa
Miyahara Shuji
Godici Nicholas P.
Ishikawajima-Harima Jukogyo Kabushiki Kaisha
Miller Alfred E.
Smith Al Lawrence
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