DE69419771T2 - METHOD FOR PRODUCING A MAT-LIKE OBJECT - Google Patents

METHOD FOR PRODUCING A MAT-LIKE OBJECT

Info

Publication number
DE69419771T2
DE69419771T2 DE69419771T DE69419771T DE69419771T2 DE 69419771 T2 DE69419771 T2 DE 69419771T2 DE 69419771 T DE69419771 T DE 69419771T DE 69419771 T DE69419771 T DE 69419771T DE 69419771 T2 DE69419771 T2 DE 69419771T2
Authority
DE
Germany
Prior art keywords
mat
particles
forming
air flow
binder material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69419771T
Other languages
German (de)
Other versions
DE69419771D1 (en
Inventor
Jorma Nieminen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet Technologies Oy
Original Assignee
Valmet Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valmet Oy filed Critical Valmet Oy
Application granted granted Critical
Publication of DE69419771D1 publication Critical patent/DE69419771D1/en
Publication of DE69419771T2 publication Critical patent/DE69419771T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B27N3/14—Distributing or orienting the particles or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Nonwoven Fabrics (AREA)
  • Paper (AREA)
  • Bedding Items (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Multicomponent Fibers (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

In a method for making a fibrous product from separate particles, an air flow (A) is used for forming a mat on an advancing forming platform (1). The particles are bonded to form the mat by means of thermally activatable binder material brought to the mat forming site such that it upon being activated through the action of heat bonds the particles to each other in the mat. Said binder material is brought to an activated state already in air flow (A) carrying the particles onto forming platform (1) by setting temperature of the air flow sufficiently high. The material forming the base of the mat in the particles is constituted of a material activatable at a higher temperature than the thermally activatable binder material.
DE69419771T 1993-09-09 1994-09-09 METHOD FOR PRODUCING A MAT-LIKE OBJECT Expired - Fee Related DE69419771T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI933962A FI93181C (en) 1993-09-09 1993-09-09 Process for making a fiber product
PCT/FI1994/000396 WO1995007169A1 (en) 1993-09-09 1994-09-09 Method for the manufacture of a mat-like product

Publications (2)

Publication Number Publication Date
DE69419771D1 DE69419771D1 (en) 1999-09-02
DE69419771T2 true DE69419771T2 (en) 2000-04-06

Family

ID=8538562

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69419771T Expired - Fee Related DE69419771T2 (en) 1993-09-09 1994-09-09 METHOD FOR PRODUCING A MAT-LIKE OBJECT

Country Status (9)

Country Link
EP (1) EP0725714B1 (en)
JP (1) JP3373210B2 (en)
AT (1) ATE182505T1 (en)
AU (1) AU7616194A (en)
CA (1) CA2171430C (en)
DE (1) DE69419771T2 (en)
DK (1) DK0725714T3 (en)
FI (1) FI93181C (en)
WO (1) WO1995007169A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418031A (en) * 1981-04-06 1983-11-29 Van Dresser Corporation Moldable fibrous mat and method of making the same
US5143680A (en) * 1990-05-17 1992-09-01 Nordson Corporation Method and apparatus for depositing moisture-absorbent and thermoplastic material in a substrate
FI94325C (en) * 1992-05-27 1995-08-25 Valmet Paper Machinery Inc Method and apparatus for making a fiber product

Also Published As

Publication number Publication date
FI93181B (en) 1994-11-30
EP0725714A1 (en) 1996-08-14
WO1995007169A1 (en) 1995-03-16
CA2171430A1 (en) 1995-03-16
DE69419771D1 (en) 1999-09-02
AU7616194A (en) 1995-03-27
DK0725714T3 (en) 2000-03-20
EP0725714B1 (en) 1999-07-28
FI933962A0 (en) 1993-09-09
JPH09504746A (en) 1997-05-13
CA2171430C (en) 2002-07-23
ATE182505T1 (en) 1999-08-15
FI93181C (en) 1998-06-02
JP3373210B2 (en) 2003-02-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee