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IT7827153A0 - Dispositivo di estrusione continua per la preparazione di materie termoplastiche espanse. - Google Patents

Dispositivo di estrusione continua per la preparazione di materie termoplastiche espanse.

Info

Publication number
IT7827153A0
IT7827153A0 IT7827153A IT2715378A IT7827153A0 IT 7827153 A0 IT7827153 A0 IT 7827153A0 IT 7827153 A IT7827153 A IT 7827153A IT 2715378 A IT2715378 A IT 2715378A IT 7827153 A0 IT7827153 A0 IT 7827153A0
Authority
IT
Italy
Prior art keywords
preparation
extrusion device
thermoplastic materials
continuous extrusion
expanded thermoplastic
Prior art date
Application number
IT7827153A
Other languages
English (en)
Other versions
IT1098726B (it
Inventor
Brand Wilhelm
Original Assignee
Berstorff Gmbh Masch Hermann
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 Berstorff Gmbh Masch Hermann filed Critical Berstorff Gmbh Masch Hermann
Publication of IT7827153A0 publication Critical patent/IT7827153A0/it
Application granted granted Critical
Publication of IT1098726B publication Critical patent/IT1098726B/it

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding 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
    • B29C44/505—Feeding 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
    • 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
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
    • 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
    • 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
    • B29C48/07—Flat, e.g. panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
IT27153/78A 1977-09-06 1978-08-30 Dispositivo di estrusione continua per la preparazione di materie termoplastiche espanse IT1098726B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2739998A DE2739998C3 (de) 1977-09-06 1977-09-06 Strangpreßvorrichtung zur Herstellung von geschäumtem Kunststoff

Publications (2)

Publication Number Publication Date
IT7827153A0 true IT7827153A0 (it) 1978-08-30
IT1098726B IT1098726B (it) 1985-09-07

Family

ID=6018188

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27153/78A IT1098726B (it) 1977-09-06 1978-08-30 Dispositivo di estrusione continua per la preparazione di materie termoplastiche espanse

Country Status (5)

Country Link
US (1) US4201480A (it)
DE (1) DE2739998C3 (it)
FR (1) FR2401763A1 (it)
GB (1) GB2003736B (it)
IT (1) IT1098726B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1165226B (it) * 1979-08-06 1987-04-22 Lavorazione Mat Plast Dispositivo raffreddatore miscelatore per l estrusione di schiume termoplastiche
DE3003614A1 (de) * 1980-02-01 1981-08-06 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Vorrichtung zum kontinuierlichen verarbeiten von vulkanisier- bzw. vernetzbarem kautschuk, elastomeren bzw. kunststoffen
DE3100665A1 (de) * 1981-01-12 1982-08-26 Spiritini, Cuno Geschaeumtes niederdruck-polyethylen, verfahren zur herstellung desselben, sowie dessen verwendung
JPS6052926B2 (ja) * 1981-05-18 1985-11-22 積水化成品工業株式会社 熱可塑性樹脂発泡体の製造方法及び装置
EP0234074A1 (en) * 1986-02-21 1987-09-02 CROMPTON & KNOWLES CORPORATION Manufacture of elongate cross-linked products
DE3709431A1 (de) * 1986-05-13 1987-11-19 Reifenhaeuser Masch Strangpresswerkzeug zum strangpressen einer bahn aus geschaeumtem, thermoplastischem kunststoff
IT1215422B (it) * 1986-05-13 1990-02-08 Reifenhaeuser Masch Trafila per l'estrusione di un nastro di materia plastica del tipo termoplastico espanso.
US4848920A (en) * 1988-02-26 1989-07-18 Husky Injection Molding Systems Ltd. Static mixer
DE59409714D1 (de) * 1994-02-21 2001-05-10 Sulzer Chemtech Ag Winterthur Verfahren zum Herstellen von expandierfähigem Kunststoff-Granulat
US20030091678A1 (en) * 2001-11-09 2003-05-15 Jaffer Shaffiq Amin Die for extruding flowable materials and having plural inlets
US6743006B2 (en) * 2001-11-09 2004-06-01 The Procter & Gamble Company Die for extruding flowable materials and having a static mixer therein
DE102004041148A1 (de) * 2003-08-29 2005-03-24 Mars Incorporated Vorrichtung zum Verteilen einer Strömung für einen Extruder
AU2004205194B2 (en) * 2003-08-29 2006-04-27 Mars, Incorporated Flow Distribution Device For An Extruder
US7134283B2 (en) * 2004-08-25 2006-11-14 Victor Villalobos Sealed shaft gravity buoyancy energy system and method of use thereof
US8162256B2 (en) * 2008-03-19 2012-04-24 Honeywell International Inc. Launch and capture systems for vertical take-off and landing (VTOL) vehicles
DE102011014467A1 (de) * 2011-03-19 2012-09-20 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Extrudieren einer Polymerschmelze
EP3520990A3 (de) * 2015-06-01 2019-08-28 Promix Solutions AG Verfahren und vorrichtung zum extrudieren und homogenisieren von ringförmigen extrudaten

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK106404C (da) * 1960-07-09 1967-01-30 Hagedorn & Co A G A Bredslidsdyse til fremstilling af folier og plader af termoplastiske formstoffer.
NL146744B (nl) * 1964-05-12 1975-08-15 Shell Int Research Werkwijze voor het vervaardigen van schuimpolystyreen folies.
US3358749A (en) * 1966-07-22 1967-12-19 Dow Chemical Co Interfacial surface generator and method of preparation thereof
US3582045A (en) * 1969-04-03 1971-06-01 Monsanto Co Polymer intermingler
US3687582A (en) * 1970-06-08 1972-08-29 Borg Warner Apparatus for flowing gas into plasticized material
US3711067A (en) * 1971-01-08 1973-01-16 Midland Ross Corp Extruding and mixing equipment
US3704006A (en) * 1971-01-25 1972-11-28 Kenics Corp Dispersion producing method
US3652061A (en) * 1971-03-04 1972-03-28 Dow Chemical Co Interfacial surface generator and method of preparation thereof
US3751377A (en) * 1971-08-19 1973-08-07 Dow Chemical Co Method for the preparation of plastic foam
FR2175553A1 (en) * 1972-03-14 1973-10-26 Dow Chemical Co Baffle plate mixer - with alternate handed baffles along tubular body interior
US3942765A (en) * 1974-09-03 1976-03-09 Hazen Research, Inc. Static mixing apparatus
US4040256A (en) * 1976-07-14 1977-08-09 The Dow Chemical Company Flume mixer

Also Published As

Publication number Publication date
GB2003736A (en) 1979-03-21
US4201480A (en) 1980-05-06
DE2739998C3 (de) 1980-04-10
DE2739998A1 (de) 1979-03-08
FR2401763B1 (it) 1983-02-04
IT1098726B (it) 1985-09-07
DE2739998B2 (de) 1979-07-05
GB2003736B (en) 1982-01-27
FR2401763A1 (fr) 1979-03-30

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