DE2629789A1 - Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren - Google Patents

Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren

Info

Publication number
DE2629789A1
DE2629789A1 DE19762629789 DE2629789A DE2629789A1 DE 2629789 A1 DE2629789 A1 DE 2629789A1 DE 19762629789 DE19762629789 DE 19762629789 DE 2629789 A DE2629789 A DE 2629789A DE 2629789 A1 DE2629789 A1 DE 2629789A1
Authority
DE
Germany
Prior art keywords
blow head
wall
cooling air
head according
outlet slot
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.)
Withdrawn
Application number
DE19762629789
Other languages
German (de)
English (en)
Inventor
Horst Custor
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.)
Battenfeld Extrusionstechnik GmbH
Original Assignee
Demag Kunststofftechnik Zweigniederlassung der Demag AG
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 Demag Kunststofftechnik Zweigniederlassung der Demag AG filed Critical Demag Kunststofftechnik Zweigniederlassung der Demag AG
Priority to DE19762629789 priority Critical patent/DE2629789A1/de
Priority to GB27748/77A priority patent/GB1528728A/en
Priority to FR7720383A priority patent/FR2356495A1/fr
Publication of DE2629789A1 publication Critical patent/DE2629789A1/de
Withdrawn legal-status Critical Current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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/272—Cleaning; Purging; Avoiding contamination of dies
    • 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
    • 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
    • B29C48/25—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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE19762629789 1976-07-02 1976-07-02 Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren Withdrawn DE2629789A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19762629789 DE2629789A1 (de) 1976-07-02 1976-07-02 Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren
GB27748/77A GB1528728A (en) 1976-07-02 1977-07-01 Blow-head for the manufacture of tubular films by the extrusion process
FR7720383A FR2356495A1 (fr) 1976-07-02 1977-07-01 Tete de soufflage pour la fabrication de feuilles en tubes par le procede d'extrusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762629789 DE2629789A1 (de) 1976-07-02 1976-07-02 Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren

Publications (1)

Publication Number Publication Date
DE2629789A1 true DE2629789A1 (de) 1978-01-05

Family

ID=5982068

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762629789 Withdrawn DE2629789A1 (de) 1976-07-02 1976-07-02 Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren

Country Status (3)

Country Link
DE (1) DE2629789A1 (enExample)
FR (1) FR2356495A1 (enExample)
GB (1) GB1528728A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9102433U1 (de) * 1991-03-01 1991-05-23 Reifenhäuser GmbH & Co Maschinenfabrik, 53844 Troisdorf Vorrichtung für die Herstellung einer Kunststoffolie
DE102013108045A1 (de) 2013-07-26 2015-01-29 Windmöller & Hölscher Kg Blasfolien-Extrusionsvorrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH507085A (de) * 1969-05-09 1971-05-15 Multifol Patentverwertungs Ag Verfahren zur Herstellung eines teilweise gereckten Kunststoff-Folienmaterials, Einrichtung zur Durchführung des Verfahrens sowie ein durch dieses Verfahren hergestelltes Erzeugnis
DE2027992A1 (en) * 1970-06-06 1971-12-16 Schlayer Polydress Gmbh Plastic tubular film - with roughened inner surfaces - preventing the sack sides from sticking together
DE2306834A1 (de) * 1973-02-12 1974-09-05 Windmoeller & Hoelscher Folienblaskopf fuer die herstellung von schlauchfolien

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH507085A (de) * 1969-05-09 1971-05-15 Multifol Patentverwertungs Ag Verfahren zur Herstellung eines teilweise gereckten Kunststoff-Folienmaterials, Einrichtung zur Durchführung des Verfahrens sowie ein durch dieses Verfahren hergestelltes Erzeugnis
DE2027992A1 (en) * 1970-06-06 1971-12-16 Schlayer Polydress Gmbh Plastic tubular film - with roughened inner surfaces - preventing the sack sides from sticking together
DE2306834A1 (de) * 1973-02-12 1974-09-05 Windmoeller & Hoelscher Folienblaskopf fuer die herstellung von schlauchfolien

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9102433U1 (de) * 1991-03-01 1991-05-23 Reifenhäuser GmbH & Co Maschinenfabrik, 53844 Troisdorf Vorrichtung für die Herstellung einer Kunststoffolie
DE102013108045A1 (de) 2013-07-26 2015-01-29 Windmöller & Hölscher Kg Blasfolien-Extrusionsvorrichtung
DE102013108045B4 (de) * 2013-07-26 2017-07-06 Windmöller & Hölscher Kg Blasfolien-Extrusionsvorrichtung, Temperaturregelung für eine Blasfolien-Extrusionsvorrichtung und Verfahrenzur Temperaturregelung einer Blasfolien-Extrusionsvorrichtung
DE102013108045B9 (de) * 2013-07-26 2017-09-21 Windmöller & Hölscher Kg Blasfolien-Extrusionsvorrichtung, Temperaturregelung für eine Blasfolien-Extrusionsvorrichtung und Verfahrenzur Temperaturregelung einer Blasfolien-Extrusionsvorrichtung
US10596741B2 (en) 2013-07-26 2020-03-24 Windmöller & Hölscher Kg Blown film extrusion device and method for controlling the temperature

Also Published As

Publication number Publication date
GB1528728A (en) 1978-10-18
FR2356495A1 (fr) 1978-01-27
FR2356495B3 (enExample) 1980-05-09

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Legal Events

Date Code Title Description
OGA New person/name/address of the applicant
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: BATTENFELD EXTRUSIONSTECHNIK GLOENCO GMBH, 8500 NU

8136 Disposal/non-payment of the fee for publication/grant