Corrugating apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5961778
SERIAL NO

09166257

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Corrugating apparatus that includes paddles and an ultrasonic welding device. The paddles are attached at one end to a transport that moves about a path. The paddles extend radially from the transport, and each paddle has a free end that is capable of supporting a web as the paddles move about the path. The free ends of the paddles are able to move towards each other to cause the web to corrugate. The ultrasonic welding device is located downstream to where the paddles' free ends move towards each other. The ultrasonic welding device has a horn and an anvil, and the anvil includes the free ends of the paddles.

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First Claim

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Braun, David L Lake Elmo, MN 25 911
Steffen, James E Woodbury, MN 21 509
Venkatapathy, Raju Woodbury, MN 8 216

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