Title:
板紙及び板紙製品の製造方法及び装置
Document Type and Number:
Japanese Patent JP2004505817
Kind Code:
A
Abstract:
A method is disclosed for producing a multilayer paperboard product, as well as an assembly suited for implementing the method and a paperboard manufactured according to the method, whereby the paperboard is made from at least two, advantageously three layers ( 4, 5, 6 ) bonded to each other by gluing, and the material of the middle layer ( 5 ) is subjected to mechanical working in a dry state ( 8 ) so as to deform the material prior to gluing through pressing thereon desired pattern that is raised from the surface of the material ( 5 ). The layers ( 4, 5, 6 ) are bonded to each other in a single step ( 7 ). The method is capable of providing a strong paperboard that uses less fiber than prior-art paperboards of equal thickness and strength.
Inventors:
Yoruma Mattilla
Hannu Sukushi
Hannu Sukushi
Application Number:
JP2002519183A
Publication Date:
February 26, 2004
Filing Date:
August 14, 2001
Export Citation:
Assignee:
Am-Real Salmon Yukiture Yurkinen
International Classes:
B31F1/20; B31F1/28; B31F1/07; B31F5/04; B32B29/08; (IPC1-7): B31F1/07; B31F1/28
Attorney, Agent or Firm:
Kosaku Sugimura