发明名称 EARPLUG CONTAINMENT DEVICE
摘要 <p>An earplug containment device for slow-recovery earplugs is provided. The device comprises a thin-walled, hollow sleeve having an inside diameter less than the diameter of a human ear canal and at least one slow recovery earplug maintained in a compressed state and positioned within said sleeve, said earplug being capable of expanding to a diameter greater than that of the human ear canal. A method for forming the device is also provided.</p>
申请公布号 WO1997015257(A1) 申请公布日期 1997.05.01
申请号 US1996014592 申请日期 1996.09.12
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