Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-04-07
1977-02-01
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51118, B24B 502
Patent
active
040055507
ABSTRACT:
A machine is provided for magnetically polish-grinding work pieces having large dimensions. The machine comprises round electromagnetic heads on both sides of a rotating work piece. The heads are rotatable and concurrently displaceable both laterally and longitudinally with respect to the workpiece.
REFERENCES:
patent: 588441 (1897-08-01), Kann
patent: 1043475 (1912-11-01), Smith
patent: 1737159 (1929-11-01), Johannessen
patent: 1957568 (1934-05-01), Wills
patent: 2312161 (1943-02-01), Hartman
patent: 2819572 (1958-01-01), Lewis
patent: 3898769 (1975-08-01), Makedonski
Dumanov Ivan Minkov
Kochemidov Atanas Dimitrov
Makedonski Boris Georgiev
Payakov Stefan Georgiev
Godici Nicholas P.
Smith Al Lawrence
Znitmash of Chaussee za Gara Izkar
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