发明名称 Detectable earplug
摘要 A molded detectable earplug assembly includes a pair of earplugs into which a metal, magnetic or X-ray detectable insert is provided. Preferably the earplugs are in pairs connected by a cord. The metal, magnetic or X-ray detectable sphere is detectable by metal, magnetic or X-ray detecting equipment and will announce the presence of an earplug in a product which was processed in a food, beverage, tobacco, or pharmaceutical processing line.
申请公布号 US4936411(A) 申请公布日期 1990.06.26
申请号 US19880234427 申请日期 1988.08.19
申请人 CABOT CORPORATION 发明人 LEONARD, DAVID A.
分类号 A61F11/12;A61B19/00;A61F11/08 主分类号 A61F11/12
代理机构 代理人
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