发明名称 Hearing protective device and method of making the same
摘要 A hearing device including a foam, a foam insertable portion, a component, and a foam handle portion, and a method of forming the same. The component is nestable with and bondable with the foam such that the component is at least partially within the foam insertable portion and the foam handle portion. The hearing protective device includes earplugs attached to a flexible cord, under-the-chin element, or headband. A method of making a hearing protective device including disposing a component into a mold, introducing a foam or foamable mixture into the mold, causing the foam to rise such that the component is nested within and bonded with the foam.
申请公布号 US2006141083(A1) 申请公布日期 2006.06.29
申请号 US20060357768 申请日期 2006.02.17
申请人 KNAUER RICHARD;SEVILLE ALAN R;FALCO ROBERT N;HALL JAMES;HALL LORI S 发明人 KNAUER RICHARD;SEVILLE ALAN R.;FALCO ROBERT N.;HALL JAMES;HALL LORI S.
分类号 A61F11/08;B29C44/58;A61F11/10;A61F11/12 主分类号 A61F11/08
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