发明名称 |
SINTERED ELEMENTS AND ASSOCIATED SYSTEMS |
摘要 |
Sintered elements for use in hazardous areas comprise a first flame path having a first length and a first pore size, and a second flame path having a second length and a second pore size. The second length is greater than the first length and the second pore size is greater than the first pore size. Sounders and loud speakers for use in hazardous areas comprise a housing having a horn and a rear enclosure, a driver assembly, and a sintered element. |
申请公布号 |
WO2009141717(A2) |
申请公布日期 |
2009.11.26 |
申请号 |
WO2009IB05673 |
申请日期 |
2009.05.21 |
申请人 |
COOPER TECHNOLOGIES COMPANY;SLACK, MARK |
发明人 |
SLACK, MARK |
分类号 |
B32B1/04;B32B3/26;G10K13/00 |
主分类号 |
B32B1/04 |
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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