DE1704754A1 - Slot die for the extrusion of foam sheets - Google Patents

Slot die for the extrusion of foam sheets

Info

Publication number
DE1704754A1
DE1704754A1 DE19671704754 DE1704754A DE1704754A1 DE 1704754 A1 DE1704754 A1 DE 1704754A1 DE 19671704754 DE19671704754 DE 19671704754 DE 1704754 A DE1704754 A DE 1704754A DE 1704754 A1 DE1704754 A1 DE 1704754A1
Authority
DE
Grant status
Application
Patent type
Prior art keywords
extrusion
slot die
foam sheets
foam
sheets
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.)
Pending
Application number
DE19671704754
Other languages
German (de)
Inventor
Josef Dipl-Ing Dr Zoehren
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.)
ZOEHREN JOSEF DIPL ING DR
Original Assignee
ZOEHREN JOSEF DIPL ING DR
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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/3442Mixing, kneading or conveying the foamable material
    • B29C44/3446Feeding the blowing agent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F5/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F5/04Injector mixers, i.e. one or more components being added to a flowing main component
    • B01F5/0403Mixing conduits or tubes, i.e. conduits or tubes through which the main component is flown
    • B01F5/045Mixing conduits or tubes, i.e. conduits or tubes through which the main component is flown the additional component being introduced in the centre of the conduit
    • B01F5/0451Mixing conduits or tubes, i.e. conduits or tubes through which the main component is flown the additional component being introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/46Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/505Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat die
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00Flat articles, e.g. films or sheets
DE19671704754 1967-04-28 1967-04-28 Slot die for the extrusion of foam sheets Pending DE1704754A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK0062166 1967-04-28

Publications (1)

Publication Number Publication Date
DE1704754A1 true true DE1704754A1 (en) 1971-05-27

Family

ID=7230462

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671704754 Pending DE1704754A1 (en) 1967-04-28 1967-04-28 Slot die for the extrusion of foam sheets

Country Status (1)

Country Link
DE (1) DE1704754A1 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014935A1 (en) * 1989-06-07 1990-12-13 M. Kaindl Holzindustrie Process and device for producing mouldings, in particular for structural elements, insulations and/or packaging, and mouldings so obtained
EP0623445A1 (en) * 1993-05-06 1994-11-09 KLÖCKNER DESMA SCHUHMASCHINEN GmbH Injection unit for injection moulding machines for producing thermoplastic articles
EP0665051A1 (en) * 1994-01-28 1995-08-02 Societe Des Produits Nestle S.A. Mixing of fluid substances
US5776534A (en) * 1996-04-03 1998-07-07 General Mills, Inc. Food apparatus for forming multiple colored extrudates and method of preparation
US5919509A (en) * 1997-05-01 1999-07-06 General Mills, Inc. Method and apparatus for producing multiple food extrudates
DE19853021A1 (en) * 1998-11-18 2000-07-27 Ver Foerderung Inst Kunststoff Foamed polymer component production equipment by feeding gas through sintered metal parts in and around the melt stream of a conventional injection machine
DE19934693A1 (en) * 1999-07-23 2001-02-01 Fraunhofer Ges Forschung Method and apparatus for the manufacture of polymer foams
EP1319435A2 (en) * 2001-12-12 2003-06-18 Collectplan GmbH Method and apparatus for introducing a first medium in a second medium
WO2011095697A1 (en) * 2010-02-04 2011-08-11 Andritz Oy Apparatus for mixing a substance into a medium
DE102013102070A1 (en) * 2013-03-04 2014-09-04 Veka Ag Extrusion die for manufacturing of integral foam plates, has cooling plate that is provided with first passage channel between nozzle housing and calibrating unit

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5916503A (en) * 1989-06-07 1999-06-29 Markus Rettenbacher Process and device for producing moldings, in particular for structural elements, insulations and/or packaging, and moldings so obtained
US6022615A (en) * 1989-06-07 2000-02-08 Markus Rettenbacher Shaped part for use as a construction material
WO1990014935A1 (en) * 1989-06-07 1990-12-13 M. Kaindl Holzindustrie Process and device for producing mouldings, in particular for structural elements, insulations and/or packaging, and mouldings so obtained
EP0623445A1 (en) * 1993-05-06 1994-11-09 KLÖCKNER DESMA SCHUHMASCHINEN GmbH Injection unit for injection moulding machines for producing thermoplastic articles
US5538748A (en) * 1994-01-28 1996-07-23 Nestec S.A. Process for mixing fluid materials
EP0665051A1 (en) * 1994-01-28 1995-08-02 Societe Des Produits Nestle S.A. Mixing of fluid substances
US5486049A (en) * 1994-01-28 1996-01-23 Nestec S.A. Apparati for mixing fluid substances
US5776534A (en) * 1996-04-03 1998-07-07 General Mills, Inc. Food apparatus for forming multiple colored extrudates and method of preparation
US5919509A (en) * 1997-05-01 1999-07-06 General Mills, Inc. Method and apparatus for producing multiple food extrudates
DE19853021B4 (en) * 1998-11-18 2006-02-23 Vereinigung zur Förderung des Instituts für Kunststoffverarbeitung in Industrie und Handwerk an der Rhein.-Westf. Technischen Hochschule Aachen eV An apparatus for producing foamed plastic moldings by introducing a physical blowing agent into the melt stream of a conventional injection molding machine
DE19853021A1 (en) * 1998-11-18 2000-07-27 Ver Foerderung Inst Kunststoff Foamed polymer component production equipment by feeding gas through sintered metal parts in and around the melt stream of a conventional injection machine
DE19934693C2 (en) * 1999-07-23 2002-03-07 Fraunhofer Ges Forschung Method and apparatus for the manufacture of polymer foams
DE19934693A1 (en) * 1999-07-23 2001-02-01 Fraunhofer Ges Forschung Method and apparatus for the manufacture of polymer foams
EP1319435A2 (en) * 2001-12-12 2003-06-18 Collectplan GmbH Method and apparatus for introducing a first medium in a second medium
EP1319435A3 (en) * 2001-12-12 2004-10-06 Collectplan GmbH Method and apparatus for introducing a first medium in a second medium
WO2011095697A1 (en) * 2010-02-04 2011-08-11 Andritz Oy Apparatus for mixing a substance into a medium
US8721840B2 (en) 2010-02-04 2014-05-13 Andritz Oy Apparatus for mixing a substance into a medium
DE102013102070A1 (en) * 2013-03-04 2014-09-04 Veka Ag Extrusion die for manufacturing of integral foam plates, has cooling plate that is provided with first passage channel between nozzle housing and calibrating unit
DE102013102070B4 (en) * 2013-03-04 2015-06-03 Veka Ag Extrusion die for the production of integral foam plates

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