SE9002036L - PROCEDURE FOR MANUFACTURING THE PRESSURE PIECE - Google Patents

PROCEDURE FOR MANUFACTURING THE PRESSURE PIECE

Info

Publication number
SE9002036L
SE9002036L SE9002036A SE9002036A SE9002036L SE 9002036 L SE9002036 L SE 9002036L SE 9002036 A SE9002036 A SE 9002036A SE 9002036 A SE9002036 A SE 9002036A SE 9002036 L SE9002036 L SE 9002036L
Authority
SE
Sweden
Prior art keywords
plastics material
wood pulp
mechanical wood
press
mix
Prior art date
Application number
SE9002036A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9002036D0 (en
Inventor
Y Hynninen
Original Assignee
Woodfoot 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 Woodfoot Oy filed Critical Woodfoot Oy
Publication of SE9002036D0 publication Critical patent/SE9002036D0/en
Publication of SE9002036L publication Critical patent/SE9002036L/en

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
    • B27N1/00—Pretreatment of moulding material
    • 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
    • B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled material
    • 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
    • B27N3/28—Moulding or pressing characterised by using extrusion presses

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A method for the production of press-formed objects, in which mechanical wood pulp, preferably a mass of shredded wood, is heated for the purpose of reducing the moisture content. Plastics material, advantageously polyethylene, is added to this; the mixture of mechanical wood pulp and plastics material is mixed in a screw mixer to form a homogeneous mix; the mix is heated in such a way that at least part of the plastics material melts into the mechanical wood pulp; the homogenised hot mix is forced continuously by a screw press through a die to form the designed shape; and is cooled, the plastics material bonding together the constituents of the mechanical wood pulp to form a solid press-formed object.
SE9002036A 1989-06-08 1990-06-07 PROCEDURE FOR MANUFACTURING THE PRESSURE PIECE SE9002036L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI892833A FI892833A (en) 1989-06-08 1989-06-08 FOERFARANDE FOER TILLVERKNING AV PRESSTYCKEN.

Publications (2)

Publication Number Publication Date
SE9002036D0 SE9002036D0 (en) 1990-06-07
SE9002036L true SE9002036L (en) 1990-12-09

Family

ID=8528606

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9002036A SE9002036L (en) 1989-06-08 1990-06-07 PROCEDURE FOR MANUFACTURING THE PRESSURE PIECE

Country Status (4)

Country Link
EP (1) EP0490017A1 (en)
DE (1) DE4018433A1 (en)
FI (1) FI892833A (en)
SE (1) SE9002036L (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI892833A (en) * 1989-06-08 1990-12-09 Woodfoot Oy FOERFARANDE FOER TILLVERKNING AV PRESSTYCKEN.
DE4231097C2 (en) * 1992-09-17 1997-09-11 Evd Gmbh Process for producing a composite particle body and the body produced according to this
DE4415851A1 (en) * 1994-05-05 1995-11-09 Ljudmila Olegovna Dr In Bunina Wood chip prods. useful for prodn. of e.g. chipboard for high strength
EP1066936A1 (en) * 1999-07-07 2001-01-10 KMS GmbH Compression moulding process and installation for processing scrap wood into three-dimensional articles
FI114299B (en) 2001-06-25 2004-09-30 Conenor Oy Method for handling various materials and material handling device
DE10326181B4 (en) * 2003-06-06 2008-04-30 Cvp Clean Value Plastics Gmbh Wood-based panel and method for its production
DE10330755B4 (en) * 2003-07-07 2005-11-03 Jupiter Gmbh Molded part of wood-based material and method of manufacture
DE10334934B4 (en) * 2003-07-31 2008-06-05 Cvp Clean Value Plastics Gmbh Plate-shaped element for covering roofs or facades and method of manufacture
DE102004031061B4 (en) * 2004-06-28 2006-08-24 Sita Deutschland Gmbh Process for the production of fibers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225640A (en) * 1978-05-04 1980-09-30 Redmar Investors, Inc. Method of reclaiming thermoplastic materials from municipal waste and product produced thereby
FR2563462B1 (en) * 1984-04-27 1991-10-18 Clextral COMPOSITE PRODUCT CONSISTING OF A MIXTURE OF CELLULOSIC PARTICLES AND A THERMOPLASTIC BINDER AND METHOD FOR THE PRODUCTION THEREOF
FR2572014B1 (en) * 1984-10-22 1987-05-15 Boucher Jean Claude PROCESS FOR OBTAINING A MOLDABLE OR EXTRUDABLE MATERIAL BASED ON COMBUSTIBLE MATERIALS FROM THE RECOVERY, IN PARTICULAR OF HOUSEHOLD WASTE AND THE MATERIAL THUS OBTAINED
DE3736151C2 (en) * 1986-11-14 1996-11-14 Held Kurt Method and device for the production of wood-based panels
DE3775052D1 (en) * 1987-05-23 1992-01-16 Mario Miani METHOD FOR PRODUCING PANELS, DEVICE FOR IMPLEMENTING THE METHOD AND RECEIVED PANELS.
SE463547B (en) * 1989-01-10 1990-12-10 Replast Vojens As PROCEDURES FOR THE PREPARATION OF AN AGGLOMERATED SUBSTANCE OF TREE WASTE AND THERMOPLASTIC PLASTICS, AND APPLICATION THEREOF
FI892833A (en) * 1989-06-08 1990-12-09 Woodfoot Oy FOERFARANDE FOER TILLVERKNING AV PRESSTYCKEN.
IT1235772B (en) * 1989-06-09 1992-09-28 Master Srl PROCEDURE FOR THE REUSE OF SOLID WASTE MATERIALS, USING THERMOPLASTIC RESIN

Also Published As

Publication number Publication date
FI892833A (en) 1990-12-09
SE9002036D0 (en) 1990-06-07
FI892833A0 (en) 1989-06-08
DE4018433A1 (en) 1990-12-13
EP0490017A1 (en) 1992-06-17

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Legal Events

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NAV Patent application has lapsed

Ref document number: 9002036-3

Effective date: 19920319