Mould polishing machines

Details Mould polishing machines Mould polishing machines

1977-05-12

1979-03-13

Smith, Gary L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 90, B24B 508

Patent

active

041434897

ABSTRACT:
A polishing machine comprises a vertically movable surface on which is mounted a driving motor for rotating a support supporting on an axis of oscillation the gearbox an electric motor associated with an eccentric means urging the said motor to pivot on the axis of oscillation, the output shaft of the motor being provided with a spindle carrying a work tool normally occupying an eccentric position relative to the axis of the support. The machine has application in the polishing of the internal impression of a mould.

REFERENCES:
patent: 2313287 (1943-03-01), Bailly
patent: 2521210 (1950-09-01), Fulmer
patent: 2534531 (1950-12-01), Rossmanith
patent: 3022608 (1962-02-01), Tree
patent: 3121296 (1964-02-01), Ekstrom
patent: 3736703 (1973-06-01), Estabrook
patent: 4043080 (1977-08-01), Maxwell

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