发明授权
- 专利标题： Plastic castings molds
- 专利标题（中）： 塑料铸件模具
-
申请号： US10940343申请日： 2004-09-14
-
公开(公告)号： US07845615B2公开(公告)日： 2010-12-07
- 发明人: Peter Hagmann , Axel Heinrich , Willi Hoerner , Robert Allen Janssen , John Martin Lally , Robert Earl Szokolay , Bernhard Seiferling
- 申请人： Peter Hagmann , Axel Heinrich , Willi Hoerner , Robert Allen Janssen , John Martin Lally , Robert Earl Szokolay , Bernhard Seiferling
- 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 Jian Zhou; Robert Ambrose
- 主分类号： B29D11/00
- IPC分类号： B29D11/00
摘要：
The invention is concerned with the problem that with known plastic casting moulds, especially those of polypropylene, the lenses produced with these moulds have a slippery surface. The invention solves this problem through the use of polymers which are notable for their very low oxygen permeability.
公开/授权文献
- US20050029688A1 Plastic castings molds 公开/授权日：2005-02-10
信息查询
