Mold and method for casting ophthalmic lenses

Static molds – Including static filling means in contact with mold cavity – Having inlet to cavity at or near bottom of cavity

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C249S141000, C249S170000, C425S808000, C425S812000

Reexamination Certificate

active

06929233

ABSTRACT:
This invention relates generally to opthalmic molds and methods useful for casting opthalmic moldings. In one aspect, the invention relates to a mold for casting an opthalmic molding formed from a first mold half detachably affixed to a second mold half, whereby the mold has a top and a bottom; and a cavity formed by the first and second mold halves, wherein the cavity receives a lens forming material through an opening at the bottom of the mold and vents gas and excess lens forming material from an opening at the top of the mold. In another aspect, this invention relates to methods for casting opthalmic moldings, particularly intraocular lenses.

REFERENCES:
patent: 2745138 (1956-05-01), Beattie
patent: 3070846 (1963-01-01), Schrier
patent: 3902693 (1975-09-01), Crandon et al.
patent: 4197266 (1980-04-01), Clark et al.
patent: 4815690 (1989-03-01), Shepherd
patent: 5036971 (1991-08-01), Seden et al.
patent: 5087015 (1992-02-01), Galley
patent: 5238388 (1993-08-01), Tsai
patent: 6068464 (2000-05-01), Su et al.
patent: 6103148 (2000-08-01), Su et al.
patent: 6258299 (2001-07-01), Yamashita et al.
patent: 0 979 725 (2000-02-01), None
patent: JP 2000006171 (2000-11-01), None
patent: WO 00/30836 (2000-06-01), None
PCT Search Report, dated Nov. 26, 2002.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Mold and method for casting ophthalmic lenses does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mold and method for casting ophthalmic lenses, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mold and method for casting ophthalmic lenses will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3451977

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.