Method for preparing a pulp molded cup lid with buckles without overlapping curves on both surfaces

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United States of America Patent

PATENT NO 9765484
SERIAL NO

15205057

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Abstract

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A method for preparing a pulp molded cup lid with buckles without overlapping curves on both surfaces, comprising: diluting plant fiber into pulp and placing it into a forming mold with a filter screen to form a paper embryo through vacuum adsorption; assembling the forming mold with a transfer mold under no pressure for vacuumization to obtain a paper embryo; transferring the paper embryo into a heat setting mold without mesh screen and assembling the mold under no pressure to obtain a cup lid body with stiffening ribs; then stamping into a finished cup lid. The cup lid has smooth internal and external surfaces without overlapping curves and no paper fiber dissolved out at the places where the internal surface and the liquid contact and the suction port and the labial part of the user contact; buckles improves the strength of the cup lid and the leakproofness.

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Patent Owner(s)

Patent OwnerAddress
WANG GAOYUAN210009 NO 301 19-1 ZUO GANG JIANGSU NANJING NANJING CITY JIANGSU PROVINCE 210009
JINHUA GAOYUAN MOULD & MACHINERY CO LTDNO 33 SHENZE ROAD JINHUA ZHEJIANG 321017
JIA YINGQIROOM 202 UNIT 1 BUILDING 1 BIYUN COMMUNITY JIANGNAN STREET WUCHENG DISTRICT JINHUA ZHEJIANG 321000

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jia, Yingqi Zhejiang, CN 2 78
Wang, Gaoyuan Jinhua, Zhejiang, CN 13 106

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