Process and machine for coating ophthalmic lenses

Details Process and machine for coating ophthalmic lenses Process and machine for coating ophthalmic lenses

1997-11-07

2000-10-10

Crispino, Richard

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to condition of coating material

118712, 118 52, 118 56, 118319, 118320, B05C 1102, B05B 1304

Patent

active

061290424

ABSTRACT:
In a process and machine for coating a surface of an ophthalmic lens, the lens is manually loaded by the operator to a wash/dry station within an enclosure of the coating machine. Thereafter, the machine computer controls the entire process. The machine is closed to minimize the introduction of external contaminates into the machine. Positive pressure and filtration of air is initiated in the enclosure before washing the lens. The loaded lens is washed and dried at the wash/dry station. The dried lens is transferred to a coating station within the enclosure and coated. The coated lens is transferred to a curing oven within the enclosure and cured. The cured lens is then discharged from the curing oven and the machine for collection by the operator. The machine can simultaneously process three lenses, one in the wash/dry/coat section, one in the cure section and one at a pick-off station between the wash/dry/coat and cure sections of the machine. A coated and cured lens can be produced in approximately sixty seconds.

REFERENCES:
patent: 5164228 (1992-11-01), Peralta
patent: 5207505 (1993-05-01), Naraki
patent: 5226107 (1993-07-01), Stern
patent: 5240746 (1993-08-01), O'Connell Litteral
patent: 5405443 (1995-04-01), Akimoto
patent: 5514214 (1996-05-01), Joel
patent: 5669974 (1997-09-01), Cueller
patent: 5685908 (1997-11-01), Brytsche
patent: 5711809 (1998-01-01), Kimura
patent: 5782978 (1998-07-01), Kinose
patent: 5820673 (1998-10-01), Sentilles

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