Self-valving vacuum distribution for a belt-driven sheet conveyor

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United States of America Patent

PATENT NO 7296792
APP PUB NO 20050156376A1
SERIAL NO

10759262

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A self-valving vacuum distribution system for a belt-driven sheet conveyor utilizes the sheets to automatically open vacuum control valves sequentially in a downstream direction as the sheet is carried on the belts. The system also automatically adjusts for varying sheet widths to automatically apply vacuum holding force only to the belt conveyor area covered by the sheet.

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Patent Owner(s)

Patent OwnerAddress
BARRY-WEHMILLER PAPERSYSTEMS INC8020 FORSYTH BLVD ST LOUIS MO 63105

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kondratuk, John J Kennan, WI 7 107
Marschke, Carl R Phillips, WI 81 857

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Patent Citation Ranking

  • 13 Citation Count
  • B65H Class
  • 73.01 % this patent is cited more than
  • 18 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges6261716843189651101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 80100 +050100150200250300350400450500550600650

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