IT1196239B - Testa di soffiaggio di foglie operanti verticlamente - Google Patents
Testa di soffiaggio di foglie operanti verticlamenteInfo
- Publication number
- IT1196239B IT1196239B IT22497/84A IT2249784A IT1196239B IT 1196239 B IT1196239 B IT 1196239B IT 22497/84 A IT22497/84 A IT 22497/84A IT 2249784 A IT2249784 A IT 2249784A IT 1196239 B IT1196239 B IT 1196239B
- Authority
- IT
- Italy
- Prior art keywords
- blowing head
- vertically operating
- leaves
- operating leaves
- blowing
- 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
-
- 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
- B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other
-
- 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
- B29C48/07—Flat, e.g. panels
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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 |
---|---|---|---|
DE3331832A DE3331832C1 (de) | 1983-09-03 | 1983-09-03 | Vertikal arbeitender Folienblaskopf |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8422497A0 IT8422497A0 (it) | 1984-09-03 |
IT1196239B true IT1196239B (it) | 1988-11-16 |
Family
ID=6208165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22497/84A IT1196239B (it) | 1983-09-03 | 1984-09-03 | Testa di soffiaggio di foglie operanti verticlamente |
Country Status (6)
Country | Link |
---|---|
US (1) | US4627805A (it) |
CH (1) | CH663377A5 (it) |
DE (1) | DE3331832C1 (it) |
FR (1) | FR2551396B1 (it) |
GB (1) | GB2145966B (it) |
IT (1) | IT1196239B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1274366C (en) * | 1987-03-31 | 1990-09-25 | BUBBLE DEVICE AND STABILIZER FOR CONTINUOUS EXTRUSION PROCESS FOR THE MANUFACTURE OF BLOWN FILMS | |
US4798696A (en) * | 1987-05-08 | 1989-01-17 | A/S Sonnichsen Rorvalseverket | Method for extrusion of plastic tubes, and an apparatus for carrying out said method |
EP0377059A1 (de) * | 1989-01-02 | 1990-07-11 | Institut Mekhaniki Metallopolimernykh Sistem Akademii Nauk Belorusskoi Ssr | Spritzkopf zur Herstellung einer polymeren Rostschutz-Schlauchfolie |
CH679292A5 (it) * | 1990-04-03 | 1992-01-31 | Maillefer Nokia Holding | |
DE4405462C1 (de) * | 1994-02-21 | 1995-04-20 | Windmoeller & Hoelscher | Folienblaskopf zur Extrusion eines Schlauches aus thermoplastischer Kunststoffschmelze |
CN101298185B (zh) * | 2008-06-27 | 2011-01-19 | 方墉 | 适于淀粉生物降解材料的吹膜机旋转模头 |
CN102079120B (zh) * | 2010-10-19 | 2013-06-05 | 曾广胜 | 一种微管发泡片材挤出机头 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2844846A (en) * | 1954-09-02 | 1958-07-29 | Chester Packaging Products Cor | Plastic film extruder |
CH381418A (de) * | 1960-02-15 | 1964-08-31 | Oerlikon Buehrle Ag | Vorrichtung zum Herstellen von Blasschläuchen oder Blasfolien |
FR1437114A (fr) * | 1964-07-29 | 1966-04-29 | Reifenhaeuser Kg | Tête d'injection avec changement de direction notamment pour machines de soufflage de produits en feuilles ainsi que les machines à injecter pourvues de la dite tête |
DE2032346C3 (de) * | 1970-06-30 | 1982-12-23 | Windmöller & Hölscher, 4540 Lengerich | Kühlvorrichtung für mittels eines Folienblaskopfes hergestellte Kunststoff-Schlauchfolien |
US3933958A (en) * | 1971-03-22 | 1976-01-20 | Reynolds Metals Company | Method of making tubular plastic film |
US3853661A (en) * | 1971-05-01 | 1974-12-10 | Mitsubishi Petrochemical Co | A method of producing plastic bags |
DE2306834C2 (de) * | 1973-02-12 | 1982-07-08 | Windmöller & Hölscher, 4540 Lengerich | Folienblaskopf für die Herstellung von Schlauchfolien |
DE7412102U (de) * | 1974-04-05 | 1975-12-11 | Windmoeller & Hoelscher | Drehbarer Folienblaskopf zur Herstellung von Schlauchfolien aus thermoplastischen Massen |
IT1034412B (it) * | 1974-04-05 | 1979-09-10 | Windmoeller & Hoelscher | Testa di soffiaggio girevole per la produzione di tubolari di pel licola a partire da masse termo plastiche |
US3902832A (en) * | 1974-05-09 | 1975-09-02 | Gk Systems Inc | Manufacture of blown film |
US4039364A (en) * | 1974-07-05 | 1977-08-02 | Rasmussen O B | Method for producing a laminated high strength sheet |
DE2445545A1 (de) * | 1974-09-24 | 1976-04-01 | Windmoeller & Hoelscher | Folienblaskopf fuer die herstellung von schlauchfolien |
US4236884A (en) * | 1975-09-05 | 1980-12-02 | Gloucester Engineering Co., Inc. | Internal air cooling of tubular plastic film |
US4115048A (en) * | 1976-12-27 | 1978-09-19 | Union Carbide Corporation | Apparatus for internally cooling a plastic tubular film bubble |
US4112034A (en) * | 1977-05-05 | 1978-09-05 | General Electric Company | Biaxial film process and rotary apparatus therefor |
DE2752932A1 (de) * | 1977-11-26 | 1979-05-31 | Reifenhaeuser Kg | Ringspaltwerkzeug zum strangpressen von thermoplastischem kunststoff |
US4272231A (en) * | 1977-12-12 | 1981-06-09 | Gloucester Engineering Co., Inc. | Air cooling ring for plastic film with independent lubricating air for film guide surface |
DD137553B1 (de) * | 1978-07-07 | 1980-12-10 | Helmar Franz | Rotierendes folienblaswerkzeug mit folieninnenkuehlung |
US4450131A (en) * | 1981-11-19 | 1984-05-22 | Teepak, Inc. | Zero runout counter-rotating film extruder |
DE3326870C2 (de) * | 1982-09-02 | 1987-04-16 | VEB Kombinat Umformtechnik "Herbert Warnke" Erfurt, DDR 5010 Erfurt | Rotierendes Folienblaswerkzeug mit zentraler Schmelzezuführung und Folieninnenkühlung |
-
1983
- 1983-09-03 DE DE3331832A patent/DE3331832C1/de not_active Expired
-
1984
- 1984-08-22 CH CH4012/84A patent/CH663377A5/de not_active IP Right Cessation
- 1984-08-30 GB GB08421937A patent/GB2145966B/en not_active Expired
- 1984-08-31 US US06/646,608 patent/US4627805A/en not_active Expired - Fee Related
- 1984-08-31 FR FR8413492A patent/FR2551396B1/fr not_active Expired
- 1984-09-03 IT IT22497/84A patent/IT1196239B/it active
Also Published As
Publication number | Publication date |
---|---|
US4627805A (en) | 1986-12-09 |
GB8421937D0 (en) | 1984-10-03 |
FR2551396B1 (fr) | 1987-06-05 |
GB2145966A (en) | 1985-04-11 |
IT8422497A0 (it) | 1984-09-03 |
FR2551396A1 (fr) | 1985-03-08 |
GB2145966B (en) | 1987-12-23 |
DE3331832C1 (de) | 1985-01-10 |
CH663377A5 (de) | 1987-12-15 |
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