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 materials

Info

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
Application number
ZA704018A
Other languages
English (en)
Inventor
G Reade
Original Assignee
Ici Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ici Ltd filed Critical Ici Ltd
Publication of ZA704018B publication Critical patent/ZA704018B/xx

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)
ZA704018A 1969-06-25 1970-06-12 Process and apparatus for the production of tubular films from thermoplastic materials ZA704018B (en)

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)

* Cited by examiner, † Cited by third party
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

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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