Method and a device for compressing and processing a material mat

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20040012113A1
SERIAL NO

10276874

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods and apparatus for compressing and processing a mat of lignocellulose material into the form of a board are disclosed. The apparatus includes a pair of compression rolls, at least one of which has a perforated shell surface, a channel within that roll for injecting a processing medium into the mat through a restricted sector of the roll, a processing medium supply for the channel including a slide shoe which is sealingly attached to one end of the roll, and the channel includes a number of channels associated with portions of the axial width of the roll so that the processing medium can be supplied through step-wise variable portions of the width of the roll.

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Patent Owner(s)

Patent OwnerAddress
VALMET FIBERTECH AB851 94 SUNDSVALL

International Classification(s)

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  • 2002 Application Filing Year
  • B29C Class
  • 1863 Applications Filed
  • 700 Patents Issued To-Date
  • 37.58 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200220032004200520062007200820092010201120122013201420150255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bergstrom, Henrik Sundsvall, SE 2 0
Lundgren, Goran Alno, SE 7 21
Nilsson, Lars-Erik Sundsbruk, SE 7 57

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  • 0 Citation Count
  • B29C Class
  • 0 % this patent is cited more than
  • 21 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges466142641005825166334701 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +050100150200250300350400450500550600650

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