发明名称 |
Core for washing sponge roller |
摘要 |
A core for a cleaning sponge roller and a cleaning sponge roller set include a core and a cleaning sponge roller mounted on the core. The core for the cleaning sponge roller is in a substantially cylindrical shape including a bore extending in an axial direction and a plurality of small holes communicating between the bore and a circumferential outer surface of the core. The diameter of the bore is 10 mm or more. The diameter of the small holes is 2.5 mm or more. A total of cross-sectional areas of openings of all the small holes is larger than a cross-sectional area of the bore.
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申请公布号 |
US2007163066(A1) |
申请公布日期 |
2007.07.19 |
申请号 |
US20030596724 |
申请日期 |
2003.12.26 |
申请人 |
AION CO., LTD. |
发明人 |
OKUZONO NORIYOSHI;MIYAJI HIROSHI;TANAKA YOICHI |
分类号 |
B08B13/00;B08B1/04;B08B3/04;B08B7/04;H01L21/304 |
主分类号 |
B08B13/00 |
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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