Former with a floating upper lip

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6139690
SERIAL NO

09107482

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A former with a sieve, preferably with a cylinder mold, is provided with an adjustable discharge aperture for a fibrous material suspension exiting from a chamber that is formed between the sieve and an upper lip formed by a flow guide plate. The upper lip has a first end facing away from the chamber and is guided in a floating manner by a pressure medium in a direction toward the sieve, as well as in the opposite direction. The upper lip is supported in a floating manner also by a pressure medium at its second end facing toward the chamber. In this way, deflections of the upper lip in the region of the inlet aperture can be largely avoided.

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Patent Owner(s)

Patent OwnerAddress
VOITH SULZER PAPIERMASCHINEN GMBHHEIDENHEIM

International Classification(s)

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  • 1998 Application Filing Year
  • D21F Class
  • 158 Applications Filed
  • 60 Patents Issued To-Date
  • 37.98 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199819992000200120022003200420050255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Halmschlager, Gunter Krems, AT 22 61
Haunlieb, Herbert Loosdorf, AT 6 10

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Patent Citation Ranking

  • 0 Citation Count
  • D21F Class
  • 0 % this patent is cited more than
  • 25 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges32918632101 - 1011 - 2021 - 3031 - 4051 - 6081 - 9002468101214161820222426283032

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