EP0908281A1 - Procédé et dispositif pour fabriquer des articles moulés - Google Patents

Procédé et dispositif pour fabriquer des articles moulés Download PDF

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Publication number
EP0908281A1
EP0908281A1 EP97117550A EP97117550A EP0908281A1 EP 0908281 A1 EP0908281 A1 EP 0908281A1 EP 97117550 A EP97117550 A EP 97117550A EP 97117550 A EP97117550 A EP 97117550A EP 0908281 A1 EP0908281 A1 EP 0908281A1
Authority
EP
European Patent Office
Prior art keywords
press
stroke
mold
mixture
filling
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.)
Granted
Application number
EP97117550A
Other languages
German (de)
English (en)
Other versions
EP0908281B1 (fr
Inventor
Helmuth Huber
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.)
Werzalit AG and Co KG
Original Assignee
Werzalit AG and Co KG
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 Werzalit AG and Co KG filed Critical Werzalit AG and Co KG
Priority to AT97117550T priority Critical patent/ATE268252T1/de
Priority to EP97117550A priority patent/EP0908281B1/fr
Priority to ES97117550T priority patent/ES2222492T3/es
Priority to DE59711690T priority patent/DE59711690D1/de
Priority to US09/139,911 priority patent/US5972262A/en
Priority to JP10287782A priority patent/JPH11188749A/ja
Publication of EP0908281A1 publication Critical patent/EP0908281A1/fr
Application granted granted Critical
Publication of EP0908281B1 publication Critical patent/EP0908281B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/26—Extrusion presses; Dies therefor using press rams
    • B30B11/265—Extrusion presses; Dies therefor using press rams with precompression means
    • 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
    • B27N3/086—Presses with means for extracting or introducing gases or liquids in the mat
    • 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

Definitions

  • the invention relates to a method for producing Molded parts made from a non-flowable mixture of chip and / or Fiber materials and thermosetting binders, where the mixture in a press with all sides closed mold pressed and hardened and in which a part of those required for curing Amount of heat due to pressing into the mixture imported hot gases or vapors is applied, which in the mixture in the mold in a Direction is introduced, which is essentially is perpendicular to the pressing direction.
  • the technical problem underlying the invention is to continue the known method in the manner to develop that molded parts are manufactured endlessly can whose volume is fully cured.
  • This technical problem is according to the invention solved that the mixture in the mold by at least two press strokes are pressed in such a way that the mold is closed during the first press stroke, whereby the mixture is slightly compressed, and the mixture at second pressing stroke is pressed.
  • This procedure allows one to mix from the mixture endlessly produce strand-shaped molding, which the amount of heat required during the pressing process sufficient and even in volume has been distributed distributed.
  • the end product is a strand-shaped molded part, which has a uniform hardness having.
  • the strand-shaped molding can after Harden the mixture into the required sizes become.
  • the Press device a tube 1 of greater length, i.e. the length of the tube is a multiple of the press stroke.
  • the plunger 2 is arranged to be longitudinally displaceable.
  • the filling opening 3 is provided laterally in the tube 1, which is at the end of the filling shaft 4, by which the mixture to be pressed into the mold inside the tube 1 is transported. Seen in the pressing direction are behind the filling opening in the pipe wall Feed channels 5 for the hot gases or vapors provided which via the manifold 6 with a (Not shown) reservoir are connected.
  • a heater 7 is provided in the tube wall, for example an electrical or a hot liquid operated heating.
  • the surface of the plunger is structured, for example with corrugation 8 Mistake.
  • Fig.1 Pressing device The mode of operation shown in Fig.1 Pressing device is as follows: In the one shown in Fig. 1 Position of the plunger can be the mixture to be pressed through the filling shaft 4 and the filling opening 3 in the Press mold 9 arrive. When the mold 9 is filled, the plunger 2 causes the first press stroke execute, causing the plunger to the end of the Arrow 10 is moved. This is the right end the mold has been closed. Now that is going to be minor compressed mixture through from the supply channels 5 introduced hot gases or vapors and through the heater 7 such a quantity of heat supplied, which for curing of the binder in the mixture is required.
  • the plunger 2 is caused to the second Execute press stroke, as shown by arrow 11.
  • the mixture will reach its final density pressed and hardens.
  • the Plunger 2 that is already in the pressing device Form part 12 pushed.
  • the corrugation 8 in the plunger 2 ensures that a corresponding corrugation also the end faces of the pressed molded parts so that they connect more easily into a strand.
  • the inner contour of the tube 1 is corresponding to that manufactured molded part.
  • the tube 1 can for example, have a circular cross section.
  • the cross section can also be square or polygonal be. It is also possible. that the cross section in Press area reduced, so that the second press stroke still an additional pressure is carried out from the circumference.
  • FIG Pressing device are the parts that work in their function the parts of the pressing device shown in Fig. 1 are identical, provided with the same reference numerals. There is a difference between the pressing devices in that the tube 1 obliquely with respect to the horizontal is arranged. In this way, the filling of the Mixture in the mold 9 can be facilitated. Furthermore the plunger 2 is hollow and in it the tubular extension 13 arranged, the rear End can be connected to a supply line 14, so that after the first press stroke also hot gases or vapors from the inside be introduced into the slightly compressed mixture can.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
EP97117550A 1997-10-10 1997-10-10 Procédé et dispositif pour fabriquer des articles moulés Expired - Lifetime EP0908281B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT97117550T ATE268252T1 (de) 1997-10-10 1997-10-10 Verfahren und vorrichtung zur herstellung von formteilen
EP97117550A EP0908281B1 (fr) 1997-10-10 1997-10-10 Procédé et dispositif pour fabriquer des articles moulés
ES97117550T ES2222492T3 (es) 1997-10-10 1997-10-10 Procedimiento y dispositivo para la fabricacion de piezas preformadas.
DE59711690T DE59711690D1 (de) 1997-10-10 1997-10-10 Verfahren und Vorrichtung zur Herstellung von Formteilen
US09/139,911 US5972262A (en) 1997-10-10 1998-08-26 Method of and device for producing shaped parts
JP10287782A JPH11188749A (ja) 1997-10-10 1998-10-09 成形品を製造するための方法および装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97117550A EP0908281B1 (fr) 1997-10-10 1997-10-10 Procédé et dispositif pour fabriquer des articles moulés

Publications (2)

Publication Number Publication Date
EP0908281A1 true EP0908281A1 (fr) 1999-04-14
EP0908281B1 EP0908281B1 (fr) 2004-06-02

Family

ID=8227463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97117550A Expired - Lifetime EP0908281B1 (fr) 1997-10-10 1997-10-10 Procédé et dispositif pour fabriquer des articles moulés

Country Status (6)

Country Link
US (1) US5972262A (fr)
EP (1) EP0908281B1 (fr)
JP (1) JPH11188749A (fr)
AT (1) ATE268252T1 (fr)
DE (1) DE59711690D1 (fr)
ES (1) ES2222492T3 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000040384A1 (fr) * 1998-12-30 2000-07-13 Haller Formholz Procede et dispositif pour produire en continu des corps moules
DE102004010461A1 (de) * 2004-03-01 2005-09-29 Oechsler Ag Verfahren zum Herstellen von Strangformen aus kunststoffgebundenen Fasserwerkstoffen, Vorrichtungen zum Ausüben der Verfahren und Werkstoffe zur Verwendung bei den Verfahren
EP1752268A2 (fr) * 2005-08-10 2007-02-14 Karl Schedlbauer Méthode et appareil pour réaliser des cordons de densité egale et pour durcir des cordons en copeaux végétaux
EP1752267A2 (fr) 2005-08-10 2007-02-14 Anton Heggenstaller GmbH Procédé pour la fabrication de produits extrudés et presse d'extrusion
EP1925413A3 (fr) * 2006-11-21 2009-04-01 Anton Heggenstaller GmbH Procédé et dispositif d'extrusion destinés à la fabrication de produits d'extrusion
WO2009094011A1 (fr) * 2008-01-24 2009-07-30 Agriboard Industries Procédé de fabrication d'un panneau de fibres comprimées
CN103659987A (zh) * 2013-12-04 2014-03-26 盛威机械贸易有限公司 双塔挤压装置及利用双塔挤压装置挤压木片的方法
US10414064B1 (en) 2019-03-14 2019-09-17 Agriboard International, Llc Efficient method and apparatus for producing compressed structural fiberboard

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6561787B2 (en) * 1999-09-29 2003-05-13 Kansas State University Research Foundation Apparatus for forming biodegradable and edible feed packaging materials
ITMO20050348A1 (it) * 2005-12-23 2007-06-24 Imal Srl Apparato per la pressatura ad estrusione di materiale legnoso incoerente e metodo di pressatura relativo
US9683186B2 (en) * 2013-05-31 2017-06-20 C-Power Tech, LLC Carpet pellet machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918977C (de) * 1952-01-19 1954-10-07 Buckau Wolf Maschf R Strangpresse fuer Torf, Braunkohle od. dgl.
EP0339495A2 (fr) * 1988-04-26 1989-11-02 Karl Schedlbauer Procédé et dispositif pour extruder des profils, en particulier pour extruder des tubes à partir d'un mélange de copeaux végétaux et de liants
EP0376175A2 (fr) * 1988-12-29 1990-07-04 Karl Schedlbauer Procédé et dispositif pour contrôler la compression et/ou pour créer une zone marginale avec une surface modifiée pendant l'extrusion de particules, notamment de particules végétales avec des agents liants
EP0443053A1 (fr) * 1990-02-20 1991-08-28 Werzalit Ag + Co. Procédé et dispositif pour fabriquer des pièces moulées
EP0573695A1 (fr) * 1992-06-10 1993-12-15 Mikhail Vasilievich Birjukov Procédé et dispositif pour le moulage des produits moulées

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2932406C2 (de) * 1979-08-09 1983-06-23 Anton 8892 Kühbach Heggenstaller Verfahren und Vorrichtungen zum Strangpressen eines Gemenges auf pflanzlichen Kleinteilen und Bindemitteln
CN1009443B (zh) * 1986-11-14 1990-09-05 库特·赫尔德·法布里肯特 制造复合木材制品板的方法和设备
DE3726921A1 (de) * 1987-02-10 1988-08-18 Menzolit Gmbh Halbzeug und verfahren und vorrichtung zum herstellen formhaltigen halbzeugs aus thermoplast
CA2009909A1 (fr) * 1989-02-14 1990-08-14 Thomas Tisch Procede et dispositif de fabrication
US5413746A (en) * 1992-06-10 1995-05-09 Birjukov; Mikhail V. Method for molding shaped products and an apparatus for carrying out same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918977C (de) * 1952-01-19 1954-10-07 Buckau Wolf Maschf R Strangpresse fuer Torf, Braunkohle od. dgl.
EP0339495A2 (fr) * 1988-04-26 1989-11-02 Karl Schedlbauer Procédé et dispositif pour extruder des profils, en particulier pour extruder des tubes à partir d'un mélange de copeaux végétaux et de liants
EP0376175A2 (fr) * 1988-12-29 1990-07-04 Karl Schedlbauer Procédé et dispositif pour contrôler la compression et/ou pour créer une zone marginale avec une surface modifiée pendant l'extrusion de particules, notamment de particules végétales avec des agents liants
EP0443053A1 (fr) * 1990-02-20 1991-08-28 Werzalit Ag + Co. Procédé et dispositif pour fabriquer des pièces moulées
EP0573695A1 (fr) * 1992-06-10 1993-12-15 Mikhail Vasilievich Birjukov Procédé et dispositif pour le moulage des produits moulées

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6479002B1 (en) 1998-12-30 2002-11-12 Haller Formholz Extrusion of plant materials encapsulated in a thermoplastic
WO2000040384A1 (fr) * 1998-12-30 2000-07-13 Haller Formholz Procede et dispositif pour produire en continu des corps moules
DE102004010461A1 (de) * 2004-03-01 2005-09-29 Oechsler Ag Verfahren zum Herstellen von Strangformen aus kunststoffgebundenen Fasserwerkstoffen, Vorrichtungen zum Ausüben der Verfahren und Werkstoffe zur Verwendung bei den Verfahren
EP1752268A2 (fr) * 2005-08-10 2007-02-14 Karl Schedlbauer Méthode et appareil pour réaliser des cordons de densité egale et pour durcir des cordons en copeaux végétaux
EP1752267A2 (fr) 2005-08-10 2007-02-14 Anton Heggenstaller GmbH Procédé pour la fabrication de produits extrudés et presse d'extrusion
EP1752267A3 (fr) * 2005-08-10 2008-02-13 Anton Heggenstaller GmbH Procédé pour la fabrication de produits extrudés et presse d'extrusion
EP1752268A3 (fr) * 2005-08-10 2009-01-21 Karl Schedlbauer Méthode et appareil pour réaliser des cordons de densité egale et pour durcir des cordons en copeaux végétaux
EP2425947A2 (fr) 2006-11-21 2012-03-07 Anton Heggenstaller GmbH Dispositif d'extrusion
EP1925413A3 (fr) * 2006-11-21 2009-04-01 Anton Heggenstaller GmbH Procédé et dispositif d'extrusion destinés à la fabrication de produits d'extrusion
EP2425947A3 (fr) * 2006-11-21 2012-11-14 Anton Heggenstaller GmbH Dispositif d'extrusion
WO2009094011A1 (fr) * 2008-01-24 2009-07-30 Agriboard Industries Procédé de fabrication d'un panneau de fibres comprimées
US8052842B2 (en) 2008-01-24 2011-11-08 Agriboard Industries Method for making a compressed structural fiberboard
CN103659987A (zh) * 2013-12-04 2014-03-26 盛威机械贸易有限公司 双塔挤压装置及利用双塔挤压装置挤压木片的方法
CN103659987B (zh) * 2013-12-04 2015-08-12 盛威机械贸易有限公司 双塔挤压装置及利用双塔挤压装置挤压木片的方法
US10414064B1 (en) 2019-03-14 2019-09-17 Agriboard International, Llc Efficient method and apparatus for producing compressed structural fiberboard
US11192274B2 (en) 2019-03-14 2021-12-07 Agriboard International, Llc Efficient method and apparatus for producing compressed structural fiberboard

Also Published As

Publication number Publication date
JPH11188749A (ja) 1999-07-13
ATE268252T1 (de) 2004-06-15
ES2222492T3 (es) 2005-02-01
US5972262A (en) 1999-10-26
DE59711690D1 (de) 2004-07-08
EP0908281B1 (fr) 2004-06-02

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