发明名称 |
APPARATUS AND METHOD FOR MOULDING CONTACT LENSES |
摘要 |
A moulding apparatus for producing a contact lens the apparatus comprising: a two part mould having one moulding surface which is convex and a second moulding surface which is concave, the two surfaces together defining a sealed moulding cavity which receives a polymerisable material; characterised in that one or each of the mould parts include/s a region or regions wherein at least a part of the mould is flexible and which accommodates changes in volume of the polymerisable material within the cavity but with minimal or no axial movement of the mould parts.
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申请公布号 |
CA2223302(A1) |
申请公布日期 |
1996.08.08 |
申请号 |
CA19962223302 |
申请日期 |
1996.02.05 |
申请人 |
C.M. LABORATORY PTE. LTD. |
发明人 |
NOACK, DONALD;SKUDDER, COLIN;NEWMAN, STEPHEN |
分类号 |
B29C33/40;B29D11/00;(IPC1-7):B29D11/00 |
主分类号 |
B29C33/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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