Double-walled cup

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United States of America Patent

PATENT NO 9718601
SERIAL NO

12380423

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Abstract

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A double-walled cup and a process for production of the cup are described. The cup includes an inner cup and a tube-shaped outer sleeve, which is formed from a blank of paper material joined at its ends. The tube-shaped outer sleeve is slid axially onto a prefabricated inner sleeve and secured. The tube-shaped outer sleeve is formed from a flat blank by joining the ends of the blank before being slid on, whereby the ends of the blank are joined by an adhesive applied to a limited area of the outer sleeve. The ends of the blank are joined by a thermoplastic material in the form of an adhesive, which for example can be a hot-melt adhesive or a sealing varnish.

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Patent Owner(s)

Patent OwnerAddress
PTM PACKAGING TOOLS MACHINERY PTE LTDSINGAPORE 049908

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aubele, Holger Boehmenkirch, DE 6 43
Messerschmid, Uwe Albershausen, DE 25 230
Stahlecker, Werner Goeppingen, DE 47 763

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