发明名称 |
Face mask having an air duct connectable to a goggle |
摘要 |
A releasably attachable face mask that forms a contiguous channel with an attached goggle to improve goggle ventilation. An elongated pocket or duct formed between two surfaces on the face mask mates with the goggle ventilation system to form the contiguous channel.The channel forms a venturi to draw air out from the goggle interior to the atmosphere through the contiguous channel.
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申请公布号 |
US4653124(A) |
申请公布日期 |
1987.03.31 |
申请号 |
US19850755456 |
申请日期 |
1985.07.16 |
申请人 |
SCOTT USA |
发明人 |
MCNEAL, JOSEPH R.;ROBRAHN, DAVID |
分类号 |
A61F9/02;(IPC1-7):A61F9/02 |
主分类号 |
A61F9/02 |
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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