GB1378583A - Production of plastics fioms - Google Patents

Production of plastics fioms

Info

Publication number
GB1378583A
GB1378583A GB4493172A GB4493172A GB1378583A GB 1378583 A GB1378583 A GB 1378583A GB 4493172 A GB4493172 A GB 4493172A GB 4493172 A GB4493172 A GB 4493172A GB 1378583 A GB1378583 A GB 1378583A
Authority
GB
United Kingdom
Prior art keywords
fluid
nozzles
tubular
ring
sept
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
Application number
GB4493172A
Other languages
English (en)
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.)
Schweizerische Industrie Gesellschaft
Original Assignee
Schweizerische Industrie Gesellschaft
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 Schweizerische Industrie Gesellschaft filed Critical Schweizerische Industrie Gesellschaft
Publication of GB1378583A publication Critical patent/GB1378583A/en
Expired 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
    • B29C48/901—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 of hollow bodies
    • 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
    • B29C48/89—Internal treatment, e.g. by applying an internal cooling fluid stream
    • 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
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB4493172A 1971-09-28 1972-09-28 Production of plastics fioms Expired GB1378583A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1414971A CH549455A (fr) 1971-09-28 1971-09-28 Procede de fabrication d'un film tubulaire en matiere plastique, installation pour la mise en oeuvre de ce procede et film obtenu par ce procede.

Publications (1)

Publication Number Publication Date
GB1378583A true GB1378583A (en) 1974-12-27

Family

ID=4398400

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4493172A Expired GB1378583A (en) 1971-09-28 1972-09-28 Production of plastics fioms

Country Status (5)

Country Link
US (1) US3810725A (enExample)
CH (1) CH549455A (enExample)
DE (1) DE2247727A1 (enExample)
FR (1) FR2154640B1 (enExample)
GB (1) GB1378583A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285767A (en) * 1994-01-24 1995-07-26 Windmoeller & Hoelscher Apparatus for calibrating and supporting an extruded tubular film
EP1890859A4 (en) * 2005-06-15 2011-08-24 Kwh Pipe Ab Oy METHOD AND DEVICE FOR INTERNAL COOLING OF EXTRUDED THERMOPLASTIC TUBES

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2324133A1 (de) * 1973-05-12 1974-11-28 Hoechst Ag Aussenkalibrieren von extrudierten hohlprofilen aus thermoplastischem kunststoff
US4303609A (en) * 1978-01-03 1981-12-01 Jacques Hureau Process for extruding a thermoplastic sheath in the form of a tubular film provided with perforations and device for carrying out the process
US4201527A (en) * 1978-06-30 1980-05-06 Egan Machinery Company Apparatus for manufacturing tubular thermoplastic
US4732727A (en) * 1986-04-03 1988-03-22 The Dow Chemical Company Method and apparatus for producing mesh film
BE1006435A3 (fr) * 1992-12-07 1994-08-23 Solvay Procede et dispositif pour le moulage par soufflage de corps creux en matiere thermoplastique.
NL1008448C2 (nl) * 1998-03-02 1999-09-03 Patchville Corp N V Werkwijze en inrichting voor het extruderen van een buisvormige polyolefine film.
US6903162B2 (en) * 2003-07-01 2005-06-07 Equistar Chemicals, Lp Preparation of polyethylene films
US20070231419A1 (en) * 2005-05-02 2007-10-04 Antal Pelcz Process and Apparatus for Heat Transfer
DE102005038731B4 (de) * 2005-08-15 2014-01-09 Windmöller & Hölscher Kg Vorrichtung und ein Verfahren zur Extrusion eines Folienschlauches
CA2810463C (en) * 2010-09-08 2018-11-20 Windmoeller & Hoelscher Kg. Calibration device for a blow-extrusion film tube
EP2801467B1 (de) 2013-05-08 2018-10-10 Kdesign GmbH Kalibriervorrichtung zum Kalibrieren eines extrudierten Folienschlauchs
EP3302927B1 (de) 2015-06-03 2021-06-30 Windmöller & Hölscher KG Führungseinrichtung und verfahren zum führen einer kunststofffolie

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2844846A (en) * 1954-09-02 1958-07-29 Chester Packaging Products Cor Plastic film extruder
US3170011A (en) * 1962-02-14 1965-02-16 Dow Chemical Co Method and apparatus for making film
US3296343A (en) * 1963-03-27 1967-01-03 Phillips Petroleum Co Method and apparatus for producing blown thermoplastic tubing
FR1411680A (fr) * 1963-10-03 1965-09-24 Rical Soc Dispositif pour étirer un tube en matière synthétique
FR1391562A (fr) * 1964-04-30 1965-03-05 Barmag Barmer Maschf Dispositif d'écartement pour des machines à souffler des feuilles tubulaires
GB1119552A (en) * 1965-06-15 1968-07-10 Gen Eng Radcliffe Improvements in or relating to the manufacture of plastic tubular film
US3329999A (en) * 1965-08-16 1967-07-11 Nat Distillers Chem Corp Internal air ring
US3307219A (en) * 1966-02-16 1967-03-07 Bemis Co Inc Manufacture of plastic film
FR1486533A (fr) * 1966-06-15 1967-06-30 Gen Eng Radcliffe Perfectionnements à la fabrication des pellicules plastiques tubulaires

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285767A (en) * 1994-01-24 1995-07-26 Windmoeller & Hoelscher Apparatus for calibrating and supporting an extruded tubular film
GB2285767B (en) * 1994-01-24 1997-09-17 Windmoeller & Hoelscher Apparatus for calibrating and supporting an extruded tubular film blown up into a film bubble
EP1890859A4 (en) * 2005-06-15 2011-08-24 Kwh Pipe Ab Oy METHOD AND DEVICE FOR INTERNAL COOLING OF EXTRUDED THERMOPLASTIC TUBES
US8062013B2 (en) 2005-06-15 2011-11-22 Oy Kwh Pipe Ab Device for internal cooling of extruded thermoplastics pipes

Also Published As

Publication number Publication date
CH549455A (fr) 1974-05-31
FR2154640A1 (enExample) 1973-05-11
DE2247727A1 (de) 1973-05-17
US3810725A (en) 1974-05-14
FR2154640B1 (enExample) 1975-10-24

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed