Gyroscopically stabilized spin cast machine

Details Gyroscopically stabilized spin cast machine Gyroscopically stabilized spin cast machine

1985-06-03

1987-01-20

Lowe, James

Plastic article or earthenware shaping or treating: apparatus

Female mold including tamping means or means utilizing mold...

74 522, 74 58, 264 21, 264211, 425808, B29D 1100

Patent

active

046377913

ABSTRACT:
A spin casting machine having a gyro rotor which stabilizes the spindle in the vertical position. The weight of the heavy rotating wheel provides the inertial resistance to speed changes to provide smooth continuous rotation at the selected speed. Lenses spun cast on such a gyroscopically stabilized rotor shaft will be of high optical quality and reproducible.

REFERENCES:
patent: 1960429 (1934-05-01), Anderson
patent: 2106832 (1938-02-01), Dransfeld
patent: 2142233 (1939-01-01), Tout
patent: 3496254 (1970-02-01), Wichterle
patent: 3695911 (1972-10-01), Polin
patent: 4094624 (1978-06-01), Holm
patent: 4517140 (1985-05-01), Rawlings
patent: 4519971 (1985-05-01), Schaer

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