Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Apparatus for treating solid article or material with fluid...
Patent
1996-04-08
1998-10-20
Thornton, Krisanne
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Apparatus for treating solid article or material with fluid...
134 42, 422293, 422297, 422300, A61L 900
Patent
active
058242767
ABSTRACT:
An apparatus and method for uniformly contacting an article with a treatment solution. Preferred embodiments are methods of uniformly tinting of contact lenses or uniformly surface modifying contact lenses. The method involves suspending the lens in the treatment solution by application of fluid flow, preferably sinusoidal or pulsed, in a direction opposite the stagnant force (i.e., sum of buoyancy and gravity forces) on the article. The fluid flow prevents the lens from contacting the container structure for periods sufficient to cause non-uniform treatment conditions, while continuously mixing the treatment solution to maintain uniform concentrations throughout.
REFERENCES:
patent: 4094058 (1978-06-01), Yasutake et al.
patent: 4468229 (1984-08-01), Su
patent: 4553975 (1985-11-01), Su
patent: 4559059 (1985-12-01), Su
patent: 4954132 (1990-09-01), Hung et al.
patent: 5021068 (1991-06-01), Hung et al.
patent: 5082558 (1992-01-01), Burris
patent: 5184633 (1993-02-01), Langford
patent: 5443801 (1995-08-01), Langford
Heyl Barbara L.
Hoffman Roger J.
Janssen Robert A.
Shank Thomas E.
Ciba Vision Corporation
Lee Michael U.
Meece R. Scott
Thornton Krisanne
LandOfFree
Method and apparatus for uniformly dispersing articles in a trea 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 and apparatus for uniformly dispersing articles in a trea, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for uniformly dispersing articles in a trea will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-241538