Method of spin casting an ophthalmic device with a central apert

Details Method of spin casting an ophthalmic device with a central apert Method of spin casting an ophthalmic device with a central apert

1986-07-31

1987-04-21

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Rotational molding

8507, 264 11, 264311, 351160R, 351162, 425425, 425808, B29D 1100

Patent

active

046595228

ABSTRACT:
A method of making a spin cast contact device having a circular aperture in the center. The central aperture has a thin tapered inner edge. A spin cast concave mold having a raised central area provides the aperture with thin tapered edges. The device is a non-optical plano in the center and provides color enhancement to the eye.

REFERENCES:
patent: 2241415 (1941-05-01), Moulton
patent: 3496254 (1970-02-01), Wichterle
patent: 4157864 (1979-06-01), Koller et al.

Affiliated with

Also associated with

Rating

Method of spin casting an ophthalmic device with a central apert does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of spin casting an ophthalmic device with a central apert, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of spin casting an ophthalmic device with a central apert will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-750407