发明名称 TUBE-FORMED EARPLUG WITH INTEGRAL STEM
摘要 An earplug and a method of manufacturing the earplug are provided, the earplug including a sound attenuating element and a stem where the sound attenuating element includes a flange which extends rearwardly over a portion of the stem, and where the sound attenuating element and the stem are integrally formed of a resilient compressible material.
申请公布号 EP1933792(A1) 申请公布日期 2008.06.25
申请号 EP20060816675 申请日期 2006.10.10
申请人 CABOT SAFETY INTERMEDIATE CORPORATION 发明人 KNAUER, RICHARD
分类号 A61F11/10 主分类号 A61F11/10
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