IT1049593B - Testa di soffiaggio per la produzione di tubolari in plastica - Google Patents
Testa di soffiaggio per la produzione di tubolari in plasticaInfo
- 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
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
-
- 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
- B29C48/14—Extrusion 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
- B29C48/147—Extrusion 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
- B29C48/1472—Extrusion 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
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple 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
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/007—Using 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)
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)
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 |
DE20022174U1 (de) * | 1999-09-09 | 2001-05-17 | Kdesign GmbH, 51371 Leverkusen | Vorrichtung zur Steuerung und Regelung des Dickenprofils bei der Blasfolienherstellung |
DE10001363A1 (de) * | 2000-01-14 | 2001-07-26 | Windmoeller & Hoelscher | Extruderdüsenkopf |
EP1368177B1 (de) * | 2001-03-05 | 2009-11-04 | Windmöller & Hölscher KG | Folienblaskopf und verfahren zur herstellung von schlauchfolien |
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)
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 |
-
1974
- 1974-09-24 DE DE19742445545 patent/DE2445545A1/de not_active Ceased
-
1975
- 1975-09-15 FR FR7528175A patent/FR2285977A2/fr active Granted
- 1975-09-16 GB GB38014/75A patent/GB1483830A/en not_active Expired
- 1975-09-17 IT IT27306/75A patent/IT1049593B/it active
- 1975-09-17 CA CA235,618A patent/CA1057923A/en not_active Expired
- 1975-09-22 BR BR7506096*A patent/BR7506096A/pt unknown
- 1975-09-23 JP JP50115425A patent/JPS5159958A/ja active Pending
- 1975-09-23 US US05/616,069 patent/US4019843A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2285977B2 (it) | 1979-06-22 |
US4019843A (en) | 1977-04-26 |
GB1483830A (en) | 1977-08-24 |
CA1057923A (en) | 1979-07-10 |
DE2445545A1 (de) | 1976-04-01 |
BR7506096A (pt) | 1976-08-03 |
JPS5159958A (it) | 1976-05-25 |
FR2285977A2 (fr) | 1976-04-23 |
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