发明名称 |
Protective breathing mask |
摘要 |
A protective breathing mask has a connector housing unit having a connector housing for accommodating breathing mask components. The connector housing unit has a flange-like collar extending from the connector housing. The flange-like collar has a connecting rim. A mask body made of an elastomer has a profile-reinforced portion defining a cutout for the connector housing unit and the profile-reinforced portion is shaped to match the peripheral rim. A clamping ring is provided for fixedly securing the profile-reinforced portion at the connecting rim. The clamping ring has a slot for holding the profile-reinforced portion. The clamping ring is shaped to match the connecting rim of the flange-like collar and has a connecting surface for connecting the clamping ring to the collar at the connecting rim.
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申请公布号 |
US6338341(B1) |
申请公布日期 |
2002.01.15 |
申请号 |
US19990435604 |
申请日期 |
1999.11.08 |
申请人 |
DRäGER SICHERHEITSTECHNIK GMBH |
发明人 |
DREWS RALF;KINTZEL HARTMUT |
分类号 |
A62B18/08;(IPC1-7):A62B18/02 |
主分类号 |
A62B18/08 |
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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