Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1974-03-04
1976-01-13
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51216T, 51237R, B24B 3704
Patent
active
039316963
ABSTRACT:
Device for making sections for specimens and specimen support therefor, namely for thin sections and ground surfaces of metallographic specimens for microscopic analyses. The device includes a rotatable polishing wheel with at least two of the specimen supports disposed thereabove, and frictional drive means centrally located with respect to the wheel, wherein the specimen supports have assigned thereto at least one roller for driving a pair of adjacent supports, the latter as well as the rollers having complementary engaging peripheral surfaces that are partly cylindrical and partly conical, and means for adjusting the location and degree of interengagement between the respective surfaces.
REFERENCES:
patent: 2839877 (1958-06-01), Boettcher
patent: 2971298 (1961-02-01), Garthwaite
patent: 3431683 (1969-03-01), Wright
patent: 3505766 (1970-04-01), Boettcher
Lorenz Wolfgang
Strubig Heinz
Godici Nicholas P.
Smith Al Lawrence
Thein Tab T.
VEB Rathenower Optische Werke
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