Tool for machining and bevelling polycarbonate ophthalmic glasse

Details Tool for machining and bevelling polycarbonate ophthalmic glasse Tool for machining and bevelling polycarbonate ophthalmic glasse

1989-07-31

1990-12-18

Rose, Robert A.

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407 42, 407 61, 51206P, B26D 112

Patent

active

049782541

ABSTRACT:
A machining and bevelling tool, which is adaptable to a standard grinding machine for ophthalmic glasses, includes a metal body (1) having in its periphery a V shaped groove (2) and at least two teeth (3) each in the form of a small inserted plate (4) presenting a notch of corresponding V shape which protrudes in said groove (2), a shallow adjacent recess (8) being provided in front of each tooth (3), considering the direction of rotation of the tool. The diameter of the tool is larger than that of an ophthalmic glass, and substantially equal to that of a standard grinding wheel for ophthalmic glasses.

REFERENCES:
patent: 2268599 (1942-01-01), Kinney et al.
patent: 2477153 (1949-07-01), Succop
patent: 3831236 (1974-08-01), Coburn et al.
patent: 4164329 (1979-08-01), Higby
patent: 4171926 (1979-10-01), Dusza
patent: 4685440 (1987-08-01), Owens

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