Special receptacle or package – For eyeglass or spectacle – Contact lens
Patent
1994-04-26
1996-11-12
Fidei, David T.
Special receptacle or package
For eyeglass or spectacle
Contact lens
206205, 206461, A45C 1104
Patent
active
055731082
ABSTRACT:
A mould for cast moulding a contact lens includes a first cup member having a male mould surface and a second cup member with a female mould surface. The two cup members form a piston and cylinder and are used in a pressure vessel so as to apply loading pressure to deflect the mould surfaces to maintain the surfaces in contact with a lens being cast. The mould is opened with the mould surface facing upwardly. Hydrating fluid is added to the first cup member and a cover sealed to the top of the first cup member.
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Patent Abstracts of Japan, vol. 8, No. 227 (M-332)[1664], Oct. 18, 1984; & JP-A-59 109,326 (Olympus) 25 Jun. 1984, Abstract.
Japanese Application No. 58-29627 Filed Feb. 1983, Takamura.
Hamilton Ronald S.
Seden William E.
British Technology Group Ltd.
Fidei David T.
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