Abrasive tape apparatus for contouring a flexible lens

Details Abrasive tape apparatus for contouring a flexible lens Abrasive tape apparatus for contouring a flexible lens

1974-12-23

1976-07-27

Smith, Al Lawrence

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51142, 51145R, B24B 1300, B24B 2102

Patent

active

039711633

ABSTRACT:
This is a method and apparatus for machining a flexible silicone contact lens which utilizes a moving, flexible abrasive tape bearing against the rotating lens to accomplish the desired result. The tape travels in a transverse direction across the lens and may be oscillated to provide a more uniform finish.

REFERENCES:
patent: 2258733 (1941-10-01), Brackett
patent: 2453972 (1948-11-01), Clave et al.
patent: 3238676 (1966-03-01), Borish

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