Method of making a belt-creped, absorbent cellulosic sheet with a perforated belt

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United States of America Patent

PATENT NO 9017517
APP PUB NO 20140352901A1
SERIAL NO

14331429

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of making a belt-creped absorbent cellulosic sheet. A papermaking furnish is compactively dewatered to form a dewatered web having an apparently random distribution of papermaking fiber orientation. The dewatered web is applied to a translating transfer surface moving at a transfer surface speed. The web is belt-creped from the transfer surface utilizing a generally planar polymeric creping belt provided with a plurality of perforations through the belt, the belt-creping step occurring under pressure in a belt creping nip defined between the transfer surface and the creping belt. The belt travels at a belt speed that is slower than the transfer surface speed, and the web is creped from the transfer surface and redistributed on the creping belt to form a web. The web includes hollow domed regions, connecting regions, and transition areas. The web is dried to produce the belt-creped absorbent cellulosic sheet.

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Patent Owner(s)

Patent OwnerAddress
GPCP IP HOLDINGS LLC133 PEACHTREE STREET NE ATLANTA GA 30303

International Classification(s)

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  • 2014 Application Filing Year
  • B31F Class
  • 105 Applications Filed
  • 88 Patents Issued To-Date
  • 83.81 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20142015201620172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McCullough, Stephen J Mount Calvary, US 52 4871
Miller, Joseph H Neenah, US 70 2976
Ruthven, Paul J Neenah, US 21 730
Super, Guy H Menasha, US 47 4093
Sze, Daniel H Appleton, US 30 941
Wendt, Greg A Neenah, US 34 2743

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Patent Citation Ranking

  • 19 Citation Count
  • B31F Class
  • 86.79 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges276584201 - 1011 - 2021 - 3031 - 400510152025303540455055606570

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