Method of producing ply adhesion between layers of tissue paper

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6454693
SERIAL NO

09595711

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a method and a device for achieving adhesion between layers of tissue paper, according to which a surface structure corresponding to that of sandpaper is pressed into the product along the side of at least one roller when the individual layers are joined in a roll nip. This results in good adhesion between layers with only minor optical impairment of the product surface and without the use of glue or such like.

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Patent Owner(s)

Patent OwnerAddress
SCA HYGIENE PRODUCTS GMBH68305 MANNHEIM

International Classification(s)

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  • 2000 Application Filing Year
  • B31D Class
  • 11 Applications Filed
  • 5 Patents Issued To-Date
  • 45.46 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200020012002200320040255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harlacher, Harald Mannheim, DE 11 137
Heilemann, Thomas Frankenthal, DE 5 42
Lofink, Bernd Dirmstein, DE 4 86
Schmidt, Werner Mannheim, DE 89 1807

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Patent Citation Ranking

  • 7 Citation Count
  • B31D Class
  • 0 % this patent is cited more than
  • 23 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges11 - 1000.050.10.150.20.250.30.350.40.450.50.550.60.650.70.750.80.850.90.9511.05

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