Title:
【発明の名称】エアプレスを用いたティッシュ成形用製紙機械
Document Type and Number:
Japanese Patent JP2003500570
Kind Code:
A
Abstract:
A web of tissue is formed in a twin wire former, followed by an air press for water removal in the pressing section, passing onto a Yankee dryer. A headbox injects stock between upper and lower dryer fabrics brought together on a breast roll. The fabrics moves over vacuum boxes, and the web is heated with steam and passed between an upper pressure box and a lower vacuum box forming an air press which dewaters the web. A sheet transfer pickup vacuum box holds the sheet to the upper fabric as the lower fabric diverges from the upper fabric. A pressure roller transfers the web onto a Yankee dryer. The fabrics are cleaned on vertical runs before returning to the breast roll. A final forming fabric is arranged to operated at a lower speed than the penultimate forming fabric so that a rush transfer and creping like action takes place.
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Inventors:
Cantiz, Roger A.
Rogers, Thomas Dee
Rogers, Thomas Dee
Application Number:
JP2001500055A
Publication Date:
January 07, 2003
Filing Date:
May 31, 2000
Export Citation:
Assignee:
Metso Paper Incorporated
International Classes:
D21F5/00; D21F9/00; D21F11/14; D21H27/00; D21F3/00; (IPC1-7): D21F3/00; D21F5/00; D21H27/00
Attorney, Agent or Firm:
Youichi Oshima