Lens blocking

Details Lens blocking Lens blocking

1994-02-23

1995-06-06

Ben, Loha

Abrading

Work holder

Lens or prism

451384, 359819, B24B 4106, B24B 13005

Patent

active

054217717

ABSTRACT:
A lens blocking system in which a button is bonded to a lens surface. The button includes a capsule (2) of flowable substance with a flexible portion (3) that is brought into contact with and bonded to the lens surface. The flowable substance allows the flexible portion to conform to the shape of the lens surface, subsequent to which flow is then inhibited. The flowable substance may be a substance that is molten and then subsequently cooled to solidifying temperature after the button has been bonded to the lens.

REFERENCES:
patent: 3383808 (1965-05-01), Deshayes et al.
patent: 4089102 (1978-05-01), Soper et al.
patent: 4158273 (1979-06-01), Olsen et al.
patent: 5177907 (1993-06-01), Rothe et al.

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