FI88474C - Anordning foer framstaellning av plastfolier - Google Patents

Anordning foer framstaellning av plastfolier

Info

Publication number
FI88474C
FI88474C FI873065A FI873065A FI88474C FI 88474 C FI88474 C FI 88474C FI 873065 A FI873065 A FI 873065A FI 873065 A FI873065 A FI 873065A FI 88474 C FI88474 C FI 88474C
Authority
FI
Finland
Prior art keywords
cooling air
circular
cooling
air feed
extruder head
Prior art date
Application number
FI873065A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI873065A0 (fi
FI88474B (fi
FI873065A7 (fi
Inventor
Hartmut Halter
Original Assignee
Reiffenhaeuser Gmbh & Co Masch
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 Reiffenhaeuser Gmbh & Co Masch filed Critical Reiffenhaeuser Gmbh & Co Masch
Publication of FI873065A0 publication Critical patent/FI873065A0/fi
Publication of FI873065A7 publication Critical patent/FI873065A7/fi
Application granted granted Critical
Publication of FI88474B publication Critical patent/FI88474B/fi
Publication of FI88474C publication Critical patent/FI88474C/fi

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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Fats And Perfumes (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Basic Packing Technique (AREA)
  • Laminated Bodies (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
FI873065A 1986-07-12 1987-07-10 Anordning foer framstaellning av plastfolier FI88474C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863623548 DE3623548A1 (de) 1986-07-12 1986-07-12 Vorrichtung fuer die herstellung von kunststoffolien

Publications (4)

Publication Number Publication Date
FI873065A0 FI873065A0 (fi) 1987-07-10
FI873065A7 FI873065A7 (fi) 1988-01-13
FI88474B FI88474B (fi) 1993-02-15
FI88474C true FI88474C (fi) 1993-05-25

Family

ID=6305037

Family Applications (1)

Application Number Title Priority Date Filing Date
FI873065A FI88474C (fi) 1986-07-12 1987-07-10 Anordning foer framstaellning av plastfolier

Country Status (6)

Country Link
US (1) US4784590A (cg-RX-API-DMAC7.html)
EP (1) EP0253216B1 (cg-RX-API-DMAC7.html)
AT (1) ATE74059T1 (cg-RX-API-DMAC7.html)
DE (2) DE3623548A1 (cg-RX-API-DMAC7.html)
FI (1) FI88474C (cg-RX-API-DMAC7.html)
NO (1) NO872860L (cg-RX-API-DMAC7.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59002496D1 (de) * 1989-06-21 1993-09-30 Stefan Konermann Verfahren und vorrichtung zur blasfolienherstellung.
DE3920194A1 (de) * 1989-06-21 1991-01-10 Konermann Stefan Verfahren und vorrichtung zur feinkorrektur des dickenprofils einer folienblase bei der blasfolienherstellung
US5310329A (en) * 1992-02-05 1994-05-10 Cree Robert E Air shroud device for a blown film extrusion line
DE4218995C2 (de) * 1992-06-10 1994-08-11 Reifenhaeuser Masch Werkzeugaggregat für die Herstellung von Kunststoffolien aus thermoplastischem Kunststoff
DE19617811C1 (de) * 1996-05-03 1997-08-21 Windmoeller & Hoelscher Vorrichtung zum Flachlegen eines Folienschlauches
ES2847400T3 (es) * 2018-05-22 2021-08-03 Kdesign Gmbh Dispositivo de refrigeración con un anillo de gas de refrigeración y un dispositivo de control de flujo

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548042A (en) * 1966-07-22 1970-12-15 Reynolds Metals Co Method and apparatus for cooling extruded tubing
US3568252A (en) * 1967-03-15 1971-03-09 Mitsubishi Petrochemical Co Annular cooling device for manufacture of tubular film
ZA72621B (en) * 1971-03-01 1972-10-25 Goodyear Tire & Rubber Method and apparatus for producing preferential shrink film
IT1034412B (it) * 1974-04-05 1979-09-10 Windmoeller & Hoelscher Testa di soffiaggio girevole per la produzione di tubolari di pel licola a partire da masse termo plastiche
US4022558A (en) * 1974-05-06 1977-05-10 Mobil Oil Corporation Apparatus for the extrusion of tubular thermo-plastic film
DE2725832A1 (de) * 1977-06-08 1978-12-14 Reifenhaeuser Kg Blaskopf fuer die herstellung von schlauchfolien aus thermoplastischem kunststoff
US4272231A (en) * 1977-12-12 1981-06-09 Gloucester Engineering Co., Inc. Air cooling ring for plastic film with independent lubricating air for film guide surface
FR2428803A1 (fr) * 1978-06-12 1980-01-11 Pont A Mousson Dispositif de refroidissement, notamment pour le refroidissement exterieur de gaines tubulaires en matiere plastique obtenues par extrusion-soufflage
US4330501A (en) * 1980-06-30 1982-05-18 Union Carbide Corporation Method and apparatus for cooling film bubble of low strain hardening polymers
US4373273A (en) * 1981-04-13 1983-02-15 Gloucester Engineering Co., Inc. Air ring having a circular array of a large multiplicity of substantially parallel cell-like passages in the air flow path leading to the outlet
PT78815B (fr) * 1983-06-29 1986-07-15 Charbonnages Ste Chimique Dispositif et procede de refroidissement de feuilles
US4606879A (en) * 1985-02-28 1986-08-19 Cerisano Frank D High stalk blown film extrusion apparatus and method

Also Published As

Publication number Publication date
DE3777707D1 (de) 1992-04-30
NO872860L (no) 1988-01-13
ATE74059T1 (de) 1992-04-15
FI873065A0 (fi) 1987-07-10
EP0253216B1 (de) 1992-03-25
FI88474B (fi) 1993-02-15
FI873065A7 (fi) 1988-01-13
DE3623548C2 (cg-RX-API-DMAC7.html) 1988-09-01
EP0253216A2 (de) 1988-01-20
US4784590A (en) 1988-11-15
DE3623548A1 (de) 1988-01-28
EP0253216A3 (en) 1989-07-26
NO872860D0 (no) 1987-07-09

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed
MM Patent lapsed

Owner name: REIFFENHAEUSER GMBH & CO. MASCHINENFABRIK