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.
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