IT969444B - Dispositivo per sagomare pellicole tubolari orientate - Google Patents
Dispositivo per sagomare pellicole tubolari orientateInfo
- Publication number
- IT969444B IT969444B IT52923/72A IT5292372A IT969444B IT 969444 B IT969444 B IT 969444B IT 52923/72 A IT52923/72 A IT 52923/72A IT 5292372 A IT5292372 A IT 5292372A IT 969444 B IT969444 B IT 969444B
- Authority
- IT
- Italy
- Prior art keywords
- shaping
- tubular films
- oriented tubular
- oriented
- films
- 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
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/91—Heating, e.g. for cross linking
-
- 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
- B29C48/913—Cooling of hollow articles of tubular films externally
-
- 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
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (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 |
---|---|---|---|
JP46074426A JPS4840855A (it) | 1971-09-23 | 1971-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT969444B true IT969444B (it) | 1974-03-30 |
Family
ID=13546854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT52923/72A IT969444B (it) | 1971-09-23 | 1972-09-22 | Dispositivo per sagomare pellicole tubolari orientate |
Country Status (5)
Country | Link |
---|---|
US (1) | US3853448A (it) |
JP (1) | JPS4840855A (it) |
DE (1) | DE2244250A1 (it) |
FR (1) | FR2157796B1 (it) |
IT (1) | IT969444B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5223368B2 (it) * | 1973-11-26 | 1977-06-23 | ||
JPS5133371A (en) * | 1974-09-14 | 1976-03-22 | Toyoda Machine Works Ltd | Hienkeikosakubutsunowaridashihansosochi |
FR2346134A1 (fr) * | 1976-03-29 | 1977-10-28 | Mercer Ltd F B | Appareil pour l'etirage transversal de matieres tubulaires |
JPS55100124A (en) * | 1979-01-27 | 1980-07-30 | Chisso Eng Kk | Startup of bi-axial stretching for plastic tube and its apparatus |
US4321230A (en) * | 1980-06-05 | 1982-03-23 | Mobil Oil Corporation | Process for recovering film from pressurized extrusion zone |
JPS6161738A (ja) * | 1984-09-04 | 1986-03-29 | Daihatsu Motor Co Ltd | ワ−クの自動搬入搬出装置 |
US4699580A (en) * | 1985-12-12 | 1987-10-13 | Co Yee Tiat O | Blown film tube diameter control apparatus |
JPH0737069B2 (ja) * | 1987-06-22 | 1995-04-26 | 株式会社フジクラ | 架橋型熱収縮管の連続製造装置 |
DE3624406A1 (de) * | 1986-07-18 | 1988-01-28 | Brueckner Apparatebau Gmbh | Verfahren und vorrichtung zur behandlung von kontinuierlich transportierter schlauchware im nassen zustand |
DE3729449A1 (de) * | 1987-09-03 | 1989-03-16 | Hoechst Ag | Verfahren und vorrichtung zur herstellung eines stranggepressten, verstreckten, nahtlosen schlauches |
ES2267293T3 (es) * | 1998-10-21 | 2007-03-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Extrusion de celulosa y dispositivo de extrusion. |
TW490384B (en) * | 1999-12-13 | 2002-06-11 | Sumitomo Chemical Co | Resin guiding device for inflation molding apparatus and method of producing film |
DE10109958C1 (de) * | 2001-03-01 | 2002-04-18 | Veka Ag | Gekühlte Kalibriervorrichtung für eine Kunststoffextrusionsanlage |
DE102005062138A1 (de) * | 2005-12-22 | 2007-07-05 | Inoex Gmbh | Kalibrierhülse für extrudierte Kunststoffrohre |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3363035A (en) * | 1964-12-16 | 1968-01-09 | Seikisui Chemical Co Ltd | Process for stretching tubular molded articles of thermoplastic resin |
BE722009A (it) * | 1967-10-13 | 1969-03-14 | ||
JPS5018025B1 (it) * | 1968-07-26 | 1975-06-25 |
-
1971
- 1971-09-23 JP JP46074426A patent/JPS4840855A/ja active Pending
-
1972
- 1972-08-22 US US00282798A patent/US3853448A/en not_active Expired - Lifetime
- 1972-09-06 FR FR7231595A patent/FR2157796B1/fr not_active Expired
- 1972-09-08 DE DE2244250A patent/DE2244250A1/de active Pending
- 1972-09-22 IT IT52923/72A patent/IT969444B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2244250A1 (de) | 1973-03-29 |
FR2157796B1 (it) | 1975-09-12 |
FR2157796A1 (it) | 1973-06-08 |
JPS4840855A (it) | 1973-06-15 |
US3853448A (en) | 1974-12-10 |
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