发明名称 |
Disposable smoke mask and apparatus |
摘要 |
A disposable smoke mask and apparatus comprising breathable gas or air contained under pressure in the canister and connected by a hose to the mask, and wherein breathable gas contained in the canister is released to the hose by means of a valve actuated by removal of a snap ring section to allow a spring under compression to actuate a plunger unit tube, to allow breathable gas to flow through a suitable orifice into the plunger unit tube and through another orifice in the top of the plunger unit tube, and the hose and into the mask.
|
申请公布号 |
US4565196(A) |
申请公布日期 |
1986.01.21 |
申请号 |
US19840668387 |
申请日期 |
1984.11.05 |
申请人 |
MELCO CO INC. |
发明人 |
MELBY, PHILLIP J.;KOCH, JAMES J. |
分类号 |
A62B18/00;(IPC1-7):A62B9/02 |
主分类号 |
A62B18/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|