Chamber for hydrating contact lenses

Details Chamber for hydrating contact lenses Chamber for hydrating contact lenses

1990-04-17

1992-03-10

Housel, James C.

Plastic article or earthenware shaping or treating: apparatus

Means treating shaped work

206 51, 264 26, B29D 1100

Patent

active

050946099

ABSTRACT:
Male and female members for contact lenses where either member is able to hold the contact lens as it moves from station to station during the hydration process. The female member fits together with the male member forming a chamber. Each of the members contains a line centrally located so that both surfaces of the contact lens are flushed during the hydration process, and drainage takes place radially on the outside of the mated male and female chamber members. These members may be produced on a frame with a plurality of members, usually eight to a frame, to allow ease of processing. Full automation is possible, and complete and positive lens control during any step of the process through the packaging step is achieved.

REFERENCES:
patent: 3115146 (1963-12-01), Erwin
patent: 3221083 (1965-11-01), Crandon
patent: 3361858 (1968-01-01), Wichterle
patent: 3700761 (1972-10-01), O'Driscoll et al.
patent: 4640489 (1987-02-01), Larsen
patent: 4807750 (1989-02-01), Ryder et al.
patent: 4860885 (1989-08-01), Kaufman et al.
patent: 4890729 (1990-01-01), Ranalletta

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