发明名称 |
Water purification device. |
摘要 |
A drinking straw that purifies water by forced movement of water through the straw. The straw is composed of: 1) a filter plug made of a fibrous structure, the filter plug having sides, a first end, a second end, and a firmness sufficient to avoid collapse of the fibrous structure under a specified pressure drop; 2) a water purification material integrated in the fibrous structure; and 3) a liquid impervious wrapper covering the sides of the filter plug, the wrapper defining openings at the first and second ends of the filter plug. |
申请公布号 |
ZA9702189(B) |
申请公布日期 |
1997.09.25 |
申请号 |
ZA19970002189 |
申请日期 |
1997.03.13 |
申请人 |
KIMBERLY-CLARK WORLDWIDE, INC. |
发明人 |
JAMES DENNIS COTTON;DENNIS STEIN EVERHART;ELIZABETH DEIBLER GADSBY |
分类号 |
A47G21/18;C02F1/00;C02F1/28 |
主分类号 |
A47G21/18 |
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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