发明名称 Manufacturing method of a packing cushion for electric equipments and a structure of the packing cushion
摘要 A manufacturing method of a packing cushion for electric equipments includes the steps of feeding, heating, closing mold, injection molding, cooling, opening mold and closing bottom. A recess is defined in a bottom of the packing cushion. A sealant is secured on the bottom of the packing cushion for closing the recess and forming a closed chamber that contains air for promoting the absorbing effect of the packing cushion.
申请公布号 US2006108255(A1) 申请公布日期 2006.05.25
申请号 US20040994676 申请日期 2004.11.22
申请人 CHU CHENG-KANG 发明人 CHU CHENG-KANG
分类号 B65D81/02;B29C45/00 主分类号 B65D81/02
代理机构 代理人
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