FR2051243A5 - - Google Patents

Info

Publication number
FR2051243A5
FR2051243A5 FR7023288A FR7023288A FR2051243A5 FR 2051243 A5 FR2051243 A5 FR 2051243A5 FR 7023288 A FR7023288 A FR 7023288A FR 7023288 A FR7023288 A FR 7023288A FR 2051243 A5 FR2051243 A5 FR 2051243A5
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7023288A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR2051243A5 publication Critical patent/FR2051243A5/fr
Expired legal-status Critical Current

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)
FR7023288A 1969-06-25 1970-06-24 Expired FR2051243A5 (ro)

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
FR2051243A5 true FR2051243A5 (ro) 1971-04-02

Family

ID=10332695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7023288A Expired FR2051243A5 (ro) 1969-06-25 1970-06-24

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505247A1 (fr) * 1981-05-07 1982-11-12 Idemitsu Petrochemical Co Procede et appareil pour produire une feuille ou pellicule a orientation biaxiale

Families Citing this family (7)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505247A1 (fr) * 1981-05-07 1982-11-12 Idemitsu Petrochemical Co Procede et appareil pour produire une feuille ou pellicule a orientation biaxiale

Also Published As

Publication number Publication date
AT314816B (de) 1974-04-25
GB1271694A (en) 1972-04-26
BR7020013D0 (pt) 1973-01-11
LU61180A1 (ro) 1970-08-26
CS159772B2 (ro) 1975-01-31
ZA704018B (en) 1971-02-24
IE34293B1 (en) 1975-04-02
SE360593B (ro) 1973-10-01
MY7300173A (en) 1973-12-31
RO85151A (ro) 1984-10-31
RO85151B (ro) 1984-11-30
BE752551A (fr) 1970-12-28
JPS5244906B1 (ro) 1977-11-11
DK135978B (da) 1977-07-25
DK135978C (ro) 1977-12-27
CH516393A (de) 1971-12-15
DE2029158A1 (de) 1971-08-12
IE34293L (en) 1970-12-25
NL7009334A (ro) 1970-12-29

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Legal Events

Date Code Title Description
ST Notification of lapse