Method for treating plastic mold pieces

Details Method for treating plastic mold pieces Method for treating plastic mold pieces

1994-10-13

1997-10-28

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Including step of mold making

264102, B29D 1100

Patent

active

056815107

ABSTRACT:
Surface characteristics of cast molded contact lenses are improved by removing substantially all the oxygen from the plastic mold pieces prior to casting the lenses.

REFERENCES:
patent: 2911678 (1959-11-01), Brunfeldt
patent: 3422168 (1969-01-01), Bowser
patent: 3423488 (1969-01-01), Bowser
patent: 4054624 (1977-10-01), LeBoeuf et al.
patent: 4113224 (1978-09-01), Clark et al.
patent: 4129628 (1978-12-01), Tamutus
patent: 4284591 (1981-08-01), Neefe
patent: 4540532 (1985-09-01), Petcen et al.
patent: 4732714 (1988-03-01), Wichterle
patent: 5230840 (1993-07-01), Nishiguchi et al.
patent: 5254000 (1993-10-01), Friske et al.
patent: 5435943 (1995-07-01), Adams et al.

Affiliated with

Also associated with

Rating

Method for treating plastic mold pieces 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 for treating plastic mold pieces, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for treating plastic mold pieces will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1023893