Pulp molding negative angle container and its processing method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11459705
APP PUB NO 20200299904A1
SERIAL NO

16895117

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Abstract

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The present invention discloses a pulp molding negative angle container comprising a conical pulp container which is open on the upper end, wherein: the inner wall of the open end of the pulp container has a separation space which is inclined downwards and set outwards; a protruding shoulder is provided on the outer wall of the open end of the pulp container, wherein the outer diameter of the protruding shoulder is larger than the inner diameter of the hole on the open end; wherein when two pulp containers are nested over each other, the protruding shoulder is placed on the upper hole of the open end and a separation gap is formed between the separation space on one pulp container and the outer wall on the other pulp container. The process comprises: A. injection; B. demolding. The present invention can greatly reduce the difficulty of separation.

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Patent Owner(s)

Patent OwnerAddress
BE GREEN INTERNATIONAL LLC28W206 W COMMERCIAL AVE UNIT B LAKE BARRINGTON IL 60010

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Shu Xuzhou, CN 68 318
Liu, Zhijia Xuzhou, CN 28 40
Tong, Ji Xuzhou, CN 10 15

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