Method for tandem edging complementary lenses

Details Method for tandem edging complementary lenses Method for tandem edging complementary lenses

Filed on

1998-09-21

Date issued

2000-06-27

Examiner

Sugarman, Scott J.

Patent Class

Optics: eye examining, vision testing and correcting

SubClass

Spectacles and eyeglasses

SubSubClass

Ophthalmic lenses or blanks

Other Related Categories

351159, G02C 702

Type

Patent

Status

active

Patent number

060798270

Description

ABSTRACT:
A method for simultaneously edging a complementary pair of ophthalmic lenses is disclosed. In this method, 1) the lenses to be edged are stacked or temporarily bonded; 2) the stacked or temporarily bonded lenses are simultaneously edged; and 3) the edged lenses are separated. Laminated devices prepared using lenses edge via this method are also disclosed.

REFERENCES:
patent: 4179851 (1979-12-01), Neisler et al.
patent: 4279474 (1981-07-01), Belgorod
patent: 4287018 (1981-09-01), Gulati et al.
patent: 4498919 (1985-02-01), Mann
patent: 5327281 (1994-07-01), Cogan et al.
patent: 5399227 (1995-03-01), Abrams
patent: 5618390 (1997-04-01), Yu et al.
patent: 5916398 (1999-06-01), Coleman et al.
patent: 5953150 (1999-09-01), Smarto et al.

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