Anti-wrinkle system for a web offset press

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6250220
SERIAL NO

09371227

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a system and method of eliminating wrinkling, tearing and web-breaks of a web in an offset printing press as the web contacts the chill rollers on start-up. The system operates to eliminate the wrinkling that generates the tearing. During startup, a spreader roller impinges the web, stretching out wrinkles. During acceleration of the press, when thermal contraction of the paper also achieves the desired stretching, the spreader roller is retracted to prevent smearing of ink on the web. Uneven pressure of the spreader is utilized to implement steering of the web to enhance web centering.

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Patent Owner(s)

Patent OwnerAddress
QUAD/GRAPHICS INCN61 W23044 HARRY'S WAY SUSSEX WI 53089

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lasecki, Alan D Milwaukee, WI 1 15
Peglow, Craig J Pewaukee, WI 2 20
Sainio, Jeffrey W Milwaukee, WI 11 321

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Patent Citation Ranking

  • 15 Citation Count
  • B65H Class
  • 65.88 % this patent is cited more than
  • 24 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges3049716266201432221101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0255075100125150175200225250275300325350375400425450475500525

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