Invention Grant
- Patent Title: Methods employing an impermeable transfer belt in a papermaking machine
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Application No.: US13023119Application Date: 2011-02-08
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Publication No.: US08092651B2Publication Date: 2012-01-10
- Inventor: Ingvar Berndt Erik Klerelid , Hans Ivarsson , Johan Ulf Ragard , Frank Stephen Hada , Paul Douglas Beuther , Jeffrey Dean Holz
- Applicant: Ingvar Berndt Erik Klerelid , Hans Ivarsson , Johan Ulf Ragard , Frank Stephen Hada , Paul Douglas Beuther , Jeffrey Dean Holz
- Applicant Address: SE
- Assignee: Metso Paper Karlstad AB
- Current Assignee: Metso Paper Karlstad AB
- Current Assignee Address: SE
- Agency: Alston & Bird LLP
- Main IPC: D21F11/04
- IPC: D21F11/04

Abstract:
A papermaking machine for making paper includes a forming section, a press section, and a drying section. The paper web is pressed between two press members while enclosed between a press felt and a transfer belt having non-uniformly distributed microscopic depressions in its surface, the web following the transfer belt from the press to a transfer point at which the web is transferred via a suction transfer device onto a structuring fabric, the web then being dried on a drying cylinder. The transfer point is spaced a distance D from the press nip selected based on machine speed, a basis weight of the web, and the surface characteristics of the transfer belt, such that within the distance D a thin water film between the web and the transfer belt at least partially dissipates to allow the web to be separated from the transfer belt.
Public/Granted literature
- US20110126998A1 Methods employing an impermeable transfer belt in a papermaking machine Public/Granted day:2011-06-02
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