Apparatus for producing a multiple structure paper protector

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United States of America Patent

PATENT NO 5816991
SERIAL NO

08478790

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Abstract

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An apparatus for manufacturing a paper protector comprises an upper mold, a lower mold, and a central mold. The lower mold includes a frame section and support surface, while the upper mold includes a peripheral rim and guide projections fitted into the lower surface of the peripheral rim.

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Patent Owner(s)

Patent OwnerAddress
TOPPAN PRINTING CO LTDTOKYO 110-0016

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sato, Shizuo 1608-11,Oaza-Higashi-Hongo, Kawaguchi-Shi,Saitama-Ken, JP 3 16

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