| 发明名称 |
WERKWIJZE VOOR HET CENTREREN VAN EEN LENS IN EEN VATTING. |
| 摘要 |
1494133 Grinding lenses PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 12 Feb 1975 [15 Feb 1974] 5940/75 Heading B3D [Also in Division G2] A lens is centred before grinding by being held between the opposed cups of a centring apparatus while a fluid under pressure (e.g. air) is admitted via bores to each cup to reduce sliding friction and so obtain more exact centring. |
| 申请公布号 |
NL161265(B) |
申请公布日期 |
1979.08.15 |
| 申请号 |
NL19740002076 |
申请日期 |
1974.02.15 |
| 申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN, EINDHOVEN. |
发明人 |
HENDRIKUS FRANCISCUS GERARDUS SMULDERS;ADRIANUS JACOBUS JOZEF FRANKEN BEIDEN TE EINDHOVEN. |
| 分类号 |
G02B7/00;G02B7/02;G02B27/62;(IPC1-7):02B7/02 |
主分类号 |
G02B7/00 |
| 代理机构 |
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代理人 |
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