发明名称 |
BUTTERFLY VALVE |
摘要 |
The invention concerns a butterfly valve comprising a flap (3) including at least a protuberance (10) on at least part of at least one of its surfaces (6a, 6b). Quite unexpectedly, the use of such a flap (3) enables to greatly enhance the cleaning quality of said valve and to reduce cleaning operation time.
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申请公布号 |
WO03025440(A1) |
申请公布日期 |
2003.03.27 |
申请号 |
WO2002FR03150 |
申请日期 |
2002.09.16 |
申请人 |
DEFONTAINE;MARAUD, BRUNO;BONNEFOUS, JEAN |
发明人 |
MARAUD, BRUNO;BONNEFOUS, JEAN |
分类号 |
F16K1/22;F16K1/54;(IPC1-7):F16K1/22 |
主分类号 |
F16K1/22 |
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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