Kamrath IP Lawfirm, P.A.
Method of manufacturing external cover edge of molded cup lid and product manufactured by the same
A method of manufacturing an external cover edge of a molded cup lid and a product manufactured by the method includes an intermediate product of the molded cup lid made of plant fiber and manufactured by both “pulp suction shaping” and “thermal compression shaping” processes. A protruding-out outer cover edge is formed around the periphery of the intermediate product.
Dandong Mingcheng Environmental Protection Products Co., Ltd.
B B B B B D B
B65D B65D B65D B65D B65D D21J B65D
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Jianfeng Zongshen
Chen Lai