RO85151A - Procedeu pentru producerea filmelor tubulare din materiale termoplastice si aparat pentru realizarea acestui procedeu - Google Patents

Procedeu pentru producerea filmelor tubulare din materiale termoplastice si aparat pentru realizarea acestui procedeu

Info

Publication number
RO85151A
RO85151A RO7063740A RO6374070A RO85151A RO 85151 A RO85151 A RO 85151A RO 7063740 A RO7063740 A RO 7063740A RO 6374070 A RO6374070 A RO 6374070A RO 85151 A RO85151 A RO 85151A
Authority
RO
Romania
Prior art keywords
dilms
tubular
carrying
production
thermoplastic materials
Prior art date
Application number
RO7063740A
Other languages
English (en)
French (fr)
Other versions
RO85151B (ro
Inventor
Graeme M Reade
Original Assignee
Imperial Chemical Industries Ltd,Gb
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,Gb filed Critical Imperial Chemical Industries Ltd,Gb
Publication of RO85151A publication Critical patent/RO85151A/ro
Publication of RO85151B publication Critical patent/RO85151B/ro

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)
RO63740A 1969-06-25 1970-06-25 Procedeu pentru producerea filmelor tubulare din materiale termoplastice si aparat pentru realizarea acestui procedeu RO85151B (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 (2)

Publication Number Publication Date
RO85151A true RO85151A (ro) 1984-10-31
RO85151B RO85151B (ro) 1984-11-30

Family

ID=10332695

Family Applications (1)

Application Number Title Priority Date Filing Date
RO63740A RO85151B (ro) 1969-06-25 1970-06-25 Procedeu pentru producerea filmelor tubulare din materiale termoplastice si aparat pentru realizarea acestui procedeu

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 (8)

* 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
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
AT314816B (de) 1974-04-25
GB1271694A (en) 1972-04-26
BR7020013D0 (pt) 1973-01-11
LU61180A1 (ro) 1970-08-26
FR2051243A5 (ro) 1971-04-02
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
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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