发明授权
- 专利标题: Mold release sheet
- 专利标题(中): 脱模片
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申请号: US12637778申请日: 2009-12-15
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公开(公告)号: US08944795B2公开(公告)日: 2015-02-03
- 发明人: Axel Heinrich , Halina Heidrich , Alexander Bayer , Karsten Straube , Peter Hagmann , Stephan Pirl , Jan Bernard , Matthias Braun
- 申请人: Axel Heinrich , Halina Heidrich , Alexander Bayer , Karsten Straube , Peter Hagmann , Stephan Pirl , Jan Bernard , Matthias Braun
- 申请人地址: CH Basel
- 专利权人: Novartis AG
- 当前专利权人: Novartis AG
- 当前专利权人地址: CH Basel
- 代理商 Robert A. Ambrose
- 优先权: EP08172097 20081218
- 主分类号: B28B7/36
- IPC分类号: B28B7/36 ; B29C33/68 ; B29C33/38 ; B29D11/00
摘要:
The present invention relates to a mold half for making an ophthalmic lens, in particular a contact lens, wherein the mold half comprises a release sheet removably arranged on the mold surface of said mold half to separate a lens forming material from the mold surface, as well as to a method for applying a removable mold release sheet to said mold half. The mold half of the invention comprises a vacuum means to removably attach said release sheet to said mold surface, and preferably the mold half further comprises a pinch-off rim for forming the edge of said ophthalmic lens.
公开/授权文献
- US20100155975A1 MOLD RELEASE SHEET 公开/授权日:2010-06-24