| 发明名称 |
FILTER FOR USE IN A CARTRIDGE FOR THE PREPARATION OF A BEVERAGE |
| 摘要 |
A filter for use in a cartridge for the preparation of a beverage The filter comprises uniformly distributed openings of the same size each in the shape of a truncated cone, the diameter of the minor base being between 0.1 and 0.3 mm and that of the major base between 0.2 and 0.5 mm. Fig. 2 |
| 申请公布号 |
CA1300906(C) |
申请公布日期 |
1992.05.19 |
| 申请号 |
CA19880578015 |
申请日期 |
1988.09.21 |
| 申请人 |
SOCIETE DES PRODUITS NESTLE S.A. |
发明人 |
FAVRE, ERIC;MASEK, PETR;TRUCHEMENT, BERNARD |
| 分类号 |
A47J31/44;A47J31/06;A47J31/24;B01D29/00;B01D29/03;B01D39/20;B65D81/00;B65D85/804 |
主分类号 |
A47J31/44 |
| 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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