Lens case with pressure sensitive venting system

Details Lens case with pressure sensitive venting system Lens case with pressure sensitive venting system

1986-12-29

1988-06-14

Foster, Jimmy G.

Special receptacle or package

For eyeglass or spectacle

Contact lens

220208, 220209, 422300, 422310, B65D 8538, A61L 218

Patent

active

047506105

ABSTRACT:
An appliance for disinfecting contact lenses wherein the lenses are disposed within a disinfecting solution which liberates a gas during the disinfecting process. The appliance has a container body with a removable cap which forms a sealed chamber having a normally closed vent conduit, and a lens holder is provided to support the contact lenses within the container body. The cap includes a resiliently deflectable flange which defines a check valve in the conduit which is deflected by excessive pressure within the container to open the valve enabling passage of effluent gas from the chamber through the conduit.

REFERENCES:
patent: 3173571 (1965-03-01), Cserny et al.
patent: 3770113 (1973-11-01), Thomas
patent: 3949934 (1976-04-01), Goglio
patent: 4011941 (1977-03-01), Parsons
patent: 4136796 (1979-01-01), Dubois et al.
patent: 4197097 (1980-04-01), Magorien et al.
patent: 4231489 (1980-11-01), Malone
patent: 4396583 (1983-08-01), Le Boeuf
patent: 4457327 (1984-07-01), Pepper
patent: 4469237 (1984-09-01), Zerdian et al.
patent: 4512771 (1985-04-01), Norton
patent: 4637919 (1987-01-01), Ryder et al.

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