IT948654B - PROCEDURE AND DEVICE FOR THE PRODUCTION OF SHEETS STARTING FROM SYNTHETIC THERMOPLASTIC MATERIAL - Google Patents
PROCEDURE AND DEVICE FOR THE PRODUCTION OF SHEETS STARTING FROM SYNTHETIC THERMOPLASTIC MATERIALInfo
- Publication number
- IT948654B IT948654B IT48430/72A IT4843072A IT948654B IT 948654 B IT948654 B IT 948654B IT 48430/72 A IT48430/72 A IT 48430/72A IT 4843072 A IT4843072 A IT 4843072A IT 948654 B IT948654 B IT 948654B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- thermoplastic material
- synthetic thermoplastic
- sheets starting
- 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
- B29C48/913—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
- B29C48/03—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
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
-
- 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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0063—Cutting longitudinally
-
- 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
-
- 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
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712108360 DE2108360A1 (en) | 1971-02-22 | 1971-02-22 | Method and device for Her provide foils made of thermoplastic material |
Publications (1)
Publication Number | Publication Date |
---|---|
IT948654B true IT948654B (en) | 1973-06-11 |
Family
ID=5799467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48430/72A IT948654B (en) | 1971-02-22 | 1972-02-19 | PROCEDURE AND DEVICE FOR THE PRODUCTION OF SHEETS STARTING FROM SYNTHETIC THERMOPLASTIC MATERIAL |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2108360A1 (en) |
FR (1) | FR2126249B1 (en) |
GB (1) | GB1371858A (en) |
IT (1) | IT948654B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4115048A (en) * | 1976-12-27 | 1978-09-19 | Union Carbide Corporation | Apparatus for internally cooling a plastic tubular film bubble |
US4138453A (en) * | 1977-05-17 | 1979-02-06 | Exxon Research & Engineering Co. | Process for manufacturing blown film sheeting |
DE2829062C3 (en) * | 1978-07-01 | 1981-08-13 | Burghoff, Wilfried, 5609 Hückeswagen | Device for the controlled exchange of blown and cooling air inside a blown film tube |
CA1274366A (en) * | 1987-03-31 | 1990-09-25 | Robert J. Cole | Bubble forming and stabilizing device for use in a continuous extrusion process for making a blown film |
WO2015067273A1 (en) * | 2013-11-06 | 2015-05-14 | Jesco Holding Aps | A system and a method for providing ionised air to extrusion blow molded web materials, and a cutter for cutting a tube shaped extrusion blow molded web into two or more webs |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3265552A (en) * | 1961-11-24 | 1966-08-09 | Monsanto Co | Method for coating of biaxially oriented film |
-
1971
- 1971-02-22 DE DE19712108360 patent/DE2108360A1/en active Pending
-
1972
- 1972-02-19 IT IT48430/72A patent/IT948654B/en active
- 1972-02-21 FR FR7205771A patent/FR2126249B1/fr not_active Expired
- 1972-02-22 GB GB807772A patent/GB1371858A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2126249A1 (en) | 1972-10-06 |
DE2108360A1 (en) | 1972-09-07 |
GB1371858A (en) | 1974-10-30 |
FR2126249B1 (en) | 1976-06-11 |
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