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 PDFInfo
- 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
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
- B29C48/911—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)
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)
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)
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 |
-
1998
- 1998-03-02 NL NL1008448A patent/NL1008448C2/nl not_active IP Right Cessation
- 1998-07-28 IT IT98TO000649 patent/IT1303086B1/it active IP Right Grant
Patent Citations (5)
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)
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)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
VD1 | Lapsed due to non-payment of the annual fee |
Effective date: 20031001 |