ZA704018B - Process and apparatus for the production of tubular films from thermoplastic materials - Google Patents
Process and apparatus for the production of tubular films from thermoplastic materialsInfo
- Publication number
- ZA704018B ZA704018B ZA704018A ZA704018A ZA704018B ZA 704018 B ZA704018 B ZA 704018B ZA 704018 A ZA704018 A ZA 704018A ZA 704018 A ZA704018 A ZA 704018A ZA 704018 B ZA704018 B ZA 704018B
- Authority
- ZA
- South Africa
- Prior art keywords
- production
- thermoplastic materials
- tubular films
- films
- tubular
- 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
- B29C48/919—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
- B29C48/03—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
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 |
---|---|---|---|
GB32068/69A GB1271694A (en) | 1969-06-25 | 1969-06-25 | Process and apparatus for the production of tubular films from thermoplastic materials |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA704018B true ZA704018B (en) | 1971-02-24 |
Family
ID=10332695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA704018A ZA704018B (en) | 1969-06-25 | 1970-06-12 | Process and apparatus for the production of tubular films from thermoplastic materials |
Country Status (17)
Country | Link |
---|---|
JP (1) | JPS5244906B1 (ro) |
AT (1) | AT314816B (ro) |
BE (1) | BE752551A (ro) |
BR (1) | BR7020013D0 (ro) |
CH (1) | CH516393A (ro) |
CS (1) | CS159772B2 (ro) |
DE (1) | DE2029158A1 (ro) |
DK (1) | DK135978B (ro) |
FR (1) | FR2051243A5 (ro) |
GB (1) | GB1271694A (ro) |
IE (1) | IE34293B1 (ro) |
LU (1) | LU61180A1 (ro) |
MY (1) | MY7300173A (ro) |
NL (1) | NL7009334A (ro) |
RO (1) | RO85151B (ro) |
SE (1) | SE360593B (ro) |
ZA (1) | ZA704018B (ro) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2357993C2 (de) * | 1973-11-21 | 1983-11-17 | Reifenhäuser KG, 5210 Troisdorf | Vorrichtung zur Innenkalibrierung von Hohlprofilen aus thermoplastischem Kunststoff |
JPS531252A (en) * | 1976-06-28 | 1978-01-09 | Asahi Chemical Ind | Device for producing film |
JPS57129719A (en) * | 1981-02-05 | 1982-08-11 | Toyobo Co Ltd | Manufacturing apparatus for tubular film |
JPS57182407A (en) * | 1981-05-07 | 1982-11-10 | Idemitsu Petrochem Co Ltd | Method and apparatus for preparing biaxially stretched sheet film |
CN107553884A (zh) * | 2017-11-01 | 2018-01-09 | 池州市东聚新能源科技有限公司 | 一种pet膜预热旋转机构 |
CN108437425A (zh) * | 2018-03-07 | 2018-08-24 | 佛山科学技术学院 | 一种被动滚轮牵引式的双向拉伸管连续成型设备 |
CN109049613B (zh) * | 2018-10-08 | 2023-09-19 | 端源医疗科技无锡有限公司 | 一种突变挤出变径牵引机及其加工工艺 |
CN112873927A (zh) * | 2021-02-01 | 2021-06-01 | 段恩茂 | 可降解塑料袋连续吹塑成型方法 |
CN113580523B (zh) * | 2021-07-30 | 2023-05-12 | 临海伟星新型建材有限公司 | 一种pe管材生产加工的提速方法 |
-
1969
- 1969-06-25 GB GB32068/69A patent/GB1271694A/en not_active Expired
-
1970
- 1970-06-10 IE IE750/70A patent/IE34293B1/xx unknown
- 1970-06-12 ZA ZA704018A patent/ZA704018B/xx unknown
- 1970-06-12 DE DE2029158A patent/DE2029158A1/de active Pending
- 1970-06-22 LU LU61180D patent/LU61180A1/xx unknown
- 1970-06-24 FR FR7023288A patent/FR2051243A5/fr not_active Expired
- 1970-06-24 SE SE08750/70A patent/SE360593B/xx unknown
- 1970-06-25 JP JP45054866A patent/JPS5244906B1/ja active Pending
- 1970-06-25 RO RO63740A patent/RO85151B/ro unknown
- 1970-06-25 AT AT574470A patent/AT314816B/de not_active IP Right Cessation
- 1970-06-25 BE BE752551D patent/BE752551A/xx unknown
- 1970-06-25 CH CH965570A patent/CH516393A/de not_active IP Right Cessation
- 1970-06-25 DK DK330470AA patent/DK135978B/da unknown
- 1970-06-25 BR BR220013/70A patent/BR7020013D0/pt unknown
- 1970-06-25 CS CS4458A patent/CS159772B2/cs unknown
- 1970-06-25 NL NL7009334A patent/NL7009334A/xx not_active Application Discontinuation
-
1973
- 1973-12-31 MY MY1973173A patent/MY7300173A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CS159772B2 (ro) | 1975-01-31 |
SE360593B (ro) | 1973-10-01 |
MY7300173A (en) | 1973-12-31 |
RO85151B (ro) | 1984-11-30 |
IE34293B1 (en) | 1975-04-02 |
DK135978C (ro) | 1977-12-27 |
DE2029158A1 (de) | 1971-08-12 |
GB1271694A (en) | 1972-04-26 |
AT314816B (de) | 1974-04-25 |
LU61180A1 (ro) | 1970-08-26 |
NL7009334A (ro) | 1970-12-29 |
DK135978B (da) | 1977-07-25 |
JPS5244906B1 (ro) | 1977-11-11 |
CH516393A (de) | 1971-12-15 |
RO85151A (ro) | 1984-10-31 |
FR2051243A5 (ro) | 1971-04-02 |
BE752551A (fr) | 1970-12-28 |
IE34293L (en) | 1970-12-25 |
BR7020013D0 (pt) | 1973-01-11 |
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