IT1049593B - Testa di soffiaggio per la produzione di tubolari in plastica - Google Patents

Testa di soffiaggio per la produzione di tubolari in plastica

Info

Publication number
IT1049593B
IT1049593B IT27306/75A IT2730675A IT1049593B IT 1049593 B IT1049593 B IT 1049593B IT 27306/75 A IT27306/75 A IT 27306/75A IT 2730675 A IT2730675 A IT 2730675A IT 1049593 B IT1049593 B IT 1049593B
Authority
IT
Italy
Prior art keywords
production
plastic tubes
blower head
blower
head
Prior art date
Application number
IT27306/75A
Other languages
English (en)
Original Assignee
Windmoeller & Hoelscher
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 Windmoeller & Hoelscher filed Critical Windmoeller & Hoelscher
Application granted granted Critical
Publication of IT1049593B publication Critical patent/IT1049593B/it

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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9115Cooling of hollow articles
    • B29C48/912Cooling of hollow articles of tubular films
    • B29C48/9125Cooling of hollow articles of tubular films internally
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/14Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/337Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • B29C48/338Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
    • 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
    • B29C2791/00Shaping characteristics in general
    • B29C2791/004Shaping under special conditions
    • B29C2791/007Using fluid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (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)
IT27306/75A 1974-09-24 1975-09-17 Testa di soffiaggio per la produzione di tubolari in plastica IT1049593B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742445545 DE2445545A1 (de) 1974-09-24 1974-09-24 Folienblaskopf fuer die herstellung von schlauchfolien

Publications (1)

Publication Number Publication Date
IT1049593B true IT1049593B (it) 1981-02-10

Family

ID=5926587

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27306/75A IT1049593B (it) 1974-09-24 1975-09-17 Testa di soffiaggio per la produzione di tubolari in plastica

Country Status (8)

Country Link
US (1) US4019843A (it)
JP (1) JPS5159958A (it)
BR (1) BR7506096A (it)
CA (1) CA1057923A (it)
DE (1) DE2445545A1 (it)
FR (1) FR2285977A2 (it)
GB (1) GB1483830A (it)
IT (1) IT1049593B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2509024C3 (de) * 1975-03-01 1985-04-25 Reifenhäuser KG, 5210 Troisdorf Vorrichtung für die Herstellung von Kunststoffolien durch Blasen
US4165356A (en) * 1978-05-15 1979-08-21 Owens-Illinois, Inc. Method of forming tubular plastic material having a flare-top edge using a blow head
DD137553B1 (de) * 1978-07-07 1980-12-10 Helmar Franz Rotierendes folienblaswerkzeug mit folieninnenkuehlung
ZA817888B (en) * 1980-11-26 1982-10-27 Union Carbide Corp Air ring lip extension for blowing film from olefin resins
DE3331832C1 (de) * 1983-09-03 1985-01-10 Reifenhäuser GmbH & Co. Maschinenfabrik, 5210 Troisdorf Vertikal arbeitender Folienblaskopf
DE3335334C2 (de) * 1983-09-29 1986-01-30 Windmöller & Hölscher, 4540 Lengerich Kühlvorrichtung für aus einem Folienblaskopf extrudierte Kunststoffschlauchfolien mit Luftkühlung
GB2193921B (en) * 1986-08-15 1990-03-21 Polysystem Machinery Mfg Extrusion die for blown plastic film
DE3815415A1 (de) * 1988-05-06 1989-11-16 Kiefel Gmbh Paul Hochleistungskuehlverfahren und vorrichtung fuer die herstellung von bi-orientierten folien aus hoch- und mittelmolaren thermoplasten
EP0377059A1 (de) * 1989-01-02 1990-07-11 Institut Mekhaniki Metallopolimernykh Sistem Akademii Nauk Belorusskoi Ssr Spritzkopf zur Herstellung einer polymeren Rostschutz-Schlauchfolie
DE10066051B4 (de) * 1999-09-09 2004-10-28 Kdesign Gmbh Verfahren zur Steuerung und Regelung des Dickenprofils bei der Blasfolienherstellung
DE10001363A1 (de) * 2000-01-14 2001-07-26 Windmoeller & Hoelscher Extruderdüsenkopf
CA2438493C (en) * 2001-03-05 2010-08-10 Herbert Fischer Film die for the production of tubular film
GB201112475D0 (en) 2011-07-20 2011-08-31 Kritis Plastika Concentric co-extrusion die
CN103112150B (zh) * 2013-03-11 2016-08-03 富通住电特种光缆(天津)有限公司 螺旋骨架槽冷却装置及螺旋骨架槽生产方法
DE102019001144B4 (de) * 2019-02-18 2022-05-19 Ulrich Büttel Blaskopf

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7123056U (de) * 1971-09-16 Reifenhaeuser Kg Strangpresswerkzeug
BE680937A (it) * 1964-09-21 1966-11-14
DE1809883A1 (de) * 1968-11-20 1970-06-11 Daimler Benz Ag Anordnung und Ausbildung von Kernstuetzen
US3570062A (en) * 1969-02-14 1971-03-16 Pennwalt Corp Midstream radial valve for in-line extrusion of viscous thermoplastics
CH515795A (de) * 1969-12-04 1971-11-30 Windmoeller & Hoelscher Kühlvorrichtung für Kunststoff-Schlauchfolien
DE2009914C3 (de) * 1970-03-03 1974-03-07 Windmoeller & Hoelscher, 4540 Lengerich Folienblaskopf zur Herstellung von Kunststoff-Schlauchfolien
US3714309A (en) * 1970-08-11 1973-01-30 Gen Engineering Co Manufacture of plastic film
US3902832A (en) * 1974-05-09 1975-09-02 Gk Systems Inc Manufacture of blown film

Also Published As

Publication number Publication date
FR2285977B2 (it) 1979-06-22
FR2285977A2 (fr) 1976-04-23
DE2445545A1 (de) 1976-04-01
US4019843A (en) 1977-04-26
CA1057923A (en) 1979-07-10
GB1483830A (en) 1977-08-24
JPS5159958A (it) 1976-05-25
BR7506096A (pt) 1976-08-03

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