NL1008448C2 - Werkwijze en inrichting voor het extruderen van een buisvormige polyolefine film. - Google Patents

Werkwijze en inrichting voor het extruderen van een buisvormige polyolefine film. Download PDF

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Publication number
NL1008448C2
NL1008448C2 NL1008448A NL1008448A NL1008448C2 NL 1008448 C2 NL1008448 C2 NL 1008448C2 NL 1008448 A NL1008448 A NL 1008448A NL 1008448 A NL1008448 A NL 1008448A NL 1008448 C2 NL1008448 C2 NL 1008448C2
Authority
NL
Netherlands
Prior art keywords
air
tubular
extruding
bubble
polythene
Prior art date
Application number
NL1008448A
Other languages
English (en)
Dutch (nl)
Inventor
Angelo Regusci
Original Assignee
Patchville Corp N V
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 Patchville Corp N V filed Critical Patchville Corp N V
Priority to NL1008448A priority Critical patent/NL1008448C2/nl
Priority to IT98TO000649 priority patent/IT1303086B1/it
Application granted granted Critical
Publication of NL1008448C2 publication Critical patent/NL1008448C2/nl

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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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/9125—Cooling of hollow articles of tubular films internally
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (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)
NL1008448A 1998-03-02 1998-03-02 Werkwijze en inrichting voor het extruderen van een buisvormige polyolefine film. NL1008448C2 (nl)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL1008448A NL1008448C2 (nl) 1998-03-02 1998-03-02 Werkwijze en inrichting voor het extruderen van een buisvormige polyolefine film.
IT98TO000649 IT1303086B1 (it) 1998-03-02 1998-07-28 Procedimento e apparecchio per estrudere film poliolefinico tubolare.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1008448 1998-03-02
NL1008448A NL1008448C2 (nl) 1998-03-02 1998-03-02 Werkwijze en inrichting voor het extruderen van een buisvormige polyolefine film.

Publications (1)

Publication Number Publication Date
NL1008448C2 true NL1008448C2 (nl) 1999-09-03

Family

ID=19766632

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1008448A NL1008448C2 (nl) 1998-03-02 1998-03-02 Werkwijze en inrichting voor het extruderen van een buisvormige polyolefine film.

Country Status (2)

Country Link
IT (1) IT1303086B1 (it)
NL (1) NL1008448C2 (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004096524A1 (en) * 2003-04-30 2004-11-11 Dr-Pack Ii. Method and apparatus for cooling extruded plastic foil hoses

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445891A (en) * 1965-10-27 1969-05-27 Jon Thordarson Apparatus for manufacturing film from thermoplastic resinous film-forming materials
US3810725A (en) * 1971-09-28 1974-05-14 Sig Schweiz Industrieges Apparatus for use in the manufacture of a tubular film from plastic material
JPS5436372A (en) * 1977-08-24 1979-03-17 Kobe Steel Ltd Extrusion molding of oil-containing high-molecular material and unit therefor
EP0021420A1 (de) * 1979-06-29 1981-01-07 Mannesmann Demag Kunststofftechnik Zweigniederlassung Der Mannesmann Demag Aktiengesellschaft Kühlvorrichtung für mittels eines Blaskopfes hergestellte Kunststoff-Schlauchfolien
SU1214455A1 (ru) * 1984-04-25 1986-02-28 Украинский Научно-Исследовательский И Конструкторский Институт По Разработке Машин И Оборудования Для Переработки Пластмасс,Резины И Искусственной Кожи Способ изготовлени равноплотных рукавных пленок и устройство дл его осуществлени

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445891A (en) * 1965-10-27 1969-05-27 Jon Thordarson Apparatus for manufacturing film from thermoplastic resinous film-forming materials
US3810725A (en) * 1971-09-28 1974-05-14 Sig Schweiz Industrieges Apparatus for use in the manufacture of a tubular film from plastic material
JPS5436372A (en) * 1977-08-24 1979-03-17 Kobe Steel Ltd Extrusion molding of oil-containing high-molecular material and unit therefor
EP0021420A1 (de) * 1979-06-29 1981-01-07 Mannesmann Demag Kunststofftechnik Zweigniederlassung Der Mannesmann Demag Aktiengesellschaft Kühlvorrichtung für mittels eines Blaskopfes hergestellte Kunststoff-Schlauchfolien
SU1214455A1 (ru) * 1984-04-25 1986-02-28 Украинский Научно-Исследовательский И Конструкторский Институт По Разработке Машин И Оборудования Для Переработки Пластмасс,Резины И Искусственной Кожи Способ изготовлени равноплотных рукавных пленок и устройство дл его осуществлени

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 8642, Derwent World Patents Index; Class A32, AN 86-277706, XP002083602 *
PATENT ABSTRACTS OF JAPAN vol. 003, no. 063 (C - 047) 30 May 1979 (1979-05-30) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004096524A1 (en) * 2003-04-30 2004-11-11 Dr-Pack Ii. Method and apparatus for cooling extruded plastic foil hoses

Also Published As

Publication number Publication date
ITTO980649A1 (it) 2000-01-28
IT1303086B1 (it) 2000-10-30

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VD1 Lapsed due to non-payment of the annual fee

Effective date: 20031001