DE68920742D1 - Extrusionsverfahren, vorrichtung und erzeugnis. - Google Patents

Extrusionsverfahren, vorrichtung und erzeugnis.

Info

Publication number
DE68920742D1
DE68920742D1 DE68920742T DE68920742T DE68920742D1 DE 68920742 D1 DE68920742 D1 DE 68920742D1 DE 68920742 T DE68920742 T DE 68920742T DE 68920742 T DE68920742 T DE 68920742T DE 68920742 D1 DE68920742 D1 DE 68920742D1
Authority
DE
Germany
Prior art keywords
extrusion
product
extrudable material
extrusion device
feed
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
DE68920742T
Other languages
English (en)
Other versions
DE68920742T2 (de
Inventor
Kari Kirjavainen
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.)
Mindset Holding SA
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE68920742D1 publication Critical patent/DE68920742D1/de
Publication of DE68920742T2 publication Critical patent/DE68920742T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/46—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using vanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0079—Liquid crystals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Confectionery (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DE68920742T 1988-06-06 1989-06-02 Extrusionsverfahren, vorrichtung und erzeugnis. Expired - Fee Related DE68920742T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI882653A FI83184C (fi) 1988-06-06 1988-06-06 Foerfarande och extrusionsanordning foer att behandla material avsett att extruderas.
PCT/FI1989/000099 WO1989011961A1 (en) 1988-06-06 1989-06-02 Extrusion method, apparatus and product

Publications (2)

Publication Number Publication Date
DE68920742D1 true DE68920742D1 (de) 1995-03-02
DE68920742T2 DE68920742T2 (de) 1995-09-07

Family

ID=8526583

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68920742T Expired - Fee Related DE68920742T2 (de) 1988-06-06 1989-06-02 Extrusionsverfahren, vorrichtung und erzeugnis.

Country Status (7)

Country Link
EP (1) EP0422042B1 (de)
JP (1) JP2727247B2 (de)
AT (1) ATE117241T1 (de)
DE (1) DE68920742T2 (de)
FI (1) FI83184C (de)
SE (1) SE9003842D0 (de)
WO (1) WO1989011961A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997001428A1 (en) 1995-06-26 1997-01-16 Conenor Oy Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus
FI103185B1 (fi) * 1996-04-04 1999-05-14 Conenor Oy Menetelmä suulakepuristettavan tuotteen ominaisuuksien säätämiseksi ja suulakepuristin
FI965182A (fi) 1996-04-04 1997-10-05 Conenor Oy Menetelmä ja laite puristetun muovituotteen tekemiseksi ja muovituote
CZ186294A3 (en) * 1994-08-03 1996-03-13 Rieter Deutschland Gmbh Handling apparatus of a textile machine
US5665161A (en) * 1995-02-28 1997-09-09 Belden Wire & Cable Company Cross-head die apparatus
KR100253854B1 (ko) 1995-06-26 2000-04-15 매츠 죠한슨 관형 제품 및 압출 장치와 방법
FI960768A0 (fi) 1996-02-20 1996-02-20 Conenor Oy Foerfarande och anordning foer att pressa plast i en form och en plastprodukt framstaelld med hjaelp av en form
DE69728450T2 (de) 1996-04-29 2005-03-24 Nk Cables Oy Verstärkter und stabilisierter mehrschicht-kabelaufbau
WO1997040658A2 (en) 1996-04-29 1997-11-06 Conenor Oy Extrusion method, extruder and extruded product
US6787207B2 (en) 1996-04-30 2004-09-07 Borealis Technology Oy Multi-layer pressure pipe of a plastic material
FI107321B (fi) * 1998-04-07 2001-07-13 Nextrom Holding Sa Menetelmä ja laite muovikalvon valmistamiseksi
FI111060B (fi) 2000-09-27 2003-05-30 Conenor Oy Suulakepuristusmenetelmä ja suulakepuristin
EP1260546A1 (de) 2001-05-21 2002-11-27 Borealis Technology OY Mehrschichtiges Polyolefinrohr
DE10347641A1 (de) * 2003-10-14 2005-05-19 Nexans Verfahren zum Extrudieren von Polytetrafluorethylen
ATE387469T1 (de) 2005-09-15 2008-03-15 Borealis Tech Oy Druckrohr enthaltend eine multimodale polyethylenzusammensetzung und anorganischen füllstoff
ES2303164T3 (es) 2005-09-15 2008-08-01 Borealis Technology Oy Conducto sin presion que comprende un compuesto de polietileno multimodal con una carga inorganica.
ATE421982T1 (de) 2006-08-01 2009-02-15 Borealis Tech Oy Verfahren zur herstellung schlagfester rohre

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1570290A (en) * 1975-12-31 1980-06-25 Univ Waterloo Extruder
US4521368A (en) * 1982-07-06 1985-06-04 Netlon Limited Method of making internally cross-ribbed plastics material structure
US4496413A (en) * 1983-03-11 1985-01-29 Mobil Oil Corporation Method of forming a blocked cross-plied polymer film
CH667844A5 (de) * 1985-03-15 1988-11-15 Huemer Franz Xaver Verfahren und einrichtung zur erzeugung eines rohrfoermigen halbfabrikates aus kunststoff fuer die herstellung von saecken.

Also Published As

Publication number Publication date
JPH03505309A (ja) 1991-11-21
FI882653A (fi) 1989-12-07
FI882653A0 (fi) 1988-06-06
EP0422042A1 (de) 1991-04-17
DE68920742T2 (de) 1995-09-07
WO1989011961A1 (en) 1989-12-14
ATE117241T1 (de) 1995-02-15
SE9003842D0 (sv) 1990-12-03
JP2727247B2 (ja) 1998-03-11
FI83184B (fi) 1991-02-28
EP0422042B1 (de) 1995-01-18
FI83184C (fi) 1991-06-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CONENOR OY, ESPOO, FI

8381 Inventor (new situation)

Free format text: KIRJAVAINEN, KARI, ESPOO, FI

8327 Change in the person/name/address of the patent owner

Owner name: NEXTROM HOLDING S.A., ECUBLENS, CH

8339 Ceased/non-payment of the annual fee