Flexible straw and system and method of manufacturing the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10299613
APP PUB NO 20190069701A1
SERIAL NO

16173809

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A corrugating machine for forming a flexible paper drinking straw by forming annular corrugations in a tube, including a plurality of corrugating elements and means for moving the tube against the corrugating elements. Each of the corrugating elements is spaced apart from each other in both a lateral direction and a forward direction. The corrugating machine includes an assembly spool and a drum mounted to a side of the assembly spool for rotation about a common axis. A mandrel is mounted to the drum for reciprocation into and out of the spool assembly, to carry the tube against the corrugating elements mounted in an arc defined about the common axis.

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Patent Owner(s)

Patent OwnerAddress
HOFFMASTER GROUP INC2920 N MAIN STREET OSHKOSH WI 54901

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
O'Neill, John P Fort Wayne, US 10 161

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