发明名称 Non-roll foam eartip
摘要 Atty. Docket No. 4258-00503 Abstract Embodiments disclose a non-roll foam EarTip that may provide for fingertip press-in insertion, improved comfort, simplicity of use, flatter attenuation and/or improved hygienic properties, by way of non-exclusive example. A hollow foam body typically encompasses a shorter stem of more rigid material, and in some embodiments the foam body has a tighter skin on the inner and outer surfaces. In some embodiment, the EarTip is an earplug formed of polyurethane foam with a dense skin on the inner and outer surfaces of the hollow body, and having a plurality of splines in the cavity. 93619 vvs4258.00503 29
申请公布号 AU2010207756(B2) 申请公布日期 2012.08.30
申请号 AU20100207756 申请日期 2010.06.03
申请人 SPERIAN HEARING PROTECTION, LLC 发明人 TIEMENS, JIM
分类号 A61F11/06;A61F11/14;C08J9/22;C08L75/04 主分类号 A61F11/06
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