DK135978C - - Google Patents

Info

Publication number
DK135978C
DK135978C DK330470A DK330470A DK135978C DK 135978 C DK135978 C DK 135978C DK 330470 A DK330470 A DK 330470A DK 330470 A DK330470 A DK 330470A DK 135978 C DK135978 C DK 135978C
Authority
DK
Denmark
Application number
DK330470A
Other languages
Danish (da)
Other versions
DK135978B (en
Inventor
G M Reade
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
Publication of DK135978B publication Critical patent/DK135978B/en
Application granted granted Critical
Publication of DK135978C publication Critical patent/DK135978C/da

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)
DK330470AA 1969-06-25 1970-06-25 Apparatus for producing a tubular, oriented film of thermoplastic plastic, preferably with a diameter of 5 cm. DK135978B (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 (2)

Publication Number Publication Date
DK135978B DK135978B (en) 1977-07-25
DK135978C true DK135978C (en) 1977-12-27

Family

ID=10332695

Family Applications (1)

Application Number Title Priority Date Filing Date
DK330470AA DK135978B (en) 1969-06-25 1970-06-25 Apparatus for producing a tubular, oriented film of thermoplastic plastic, preferably with a diameter of 5 cm.

Country Status (17)

Country Link
JP (1) JPS5244906B1 (en)
AT (1) AT314816B (en)
BE (1) BE752551A (en)
BR (1) BR7020013D0 (en)
CH (1) CH516393A (en)
CS (1) CS159772B2 (en)
DE (1) DE2029158A1 (en)
DK (1) DK135978B (en)
FR (1) FR2051243A5 (en)
GB (1) GB1271694A (en)
IE (1) IE34293B1 (en)
LU (1) LU61180A1 (en)
MY (1) MY7300173A (en)
NL (1) NL7009334A (en)
RO (1) RO85151B (en)
SE (1) SE360593B (en)
ZA (1) ZA704018B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2357993C2 (en) * 1973-11-21 1983-11-17 Reifenhäuser KG, 5210 Troisdorf Device for the internal calibration of hollow profiles made of thermoplastic material
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 (en) * 2018-03-07 2018-08-24 佛山科学技术学院 A kind of continuously shaped equipment of trail-type biaxially oriented tube of passive roller
CN109049613B (en) * 2018-10-08 2023-09-19 端源医疗科技无锡有限公司 Abrupt extrusion reducing tractor and processing technology thereof
CN112873927A (en) * 2021-02-01 2021-06-01 段恩茂 Continuous blow molding method for degradable plastic bag
CN113580523B (en) * 2021-07-30 2023-05-12 临海伟星新型建材有限公司 Speed increasing method for PE pipe production and processing

Also Published As

Publication number Publication date
DE2029158A1 (en) 1971-08-12
JPS5244906B1 (en) 1977-11-11
GB1271694A (en) 1972-04-26
BR7020013D0 (en) 1973-01-11
AT314816B (en) 1974-04-25
RO85151B (en) 1984-11-30
IE34293B1 (en) 1975-04-02
IE34293L (en) 1970-12-25
ZA704018B (en) 1971-02-24
RO85151A (en) 1984-10-31
SE360593B (en) 1973-10-01
CH516393A (en) 1971-12-15
BE752551A (en) 1970-12-28
MY7300173A (en) 1973-12-31
FR2051243A5 (en) 1971-04-02
DK135978B (en) 1977-07-25
NL7009334A (en) 1970-12-29
LU61180A1 (en) 1970-08-26
CS159772B2 (en) 1975-01-31

Similar Documents

Publication Publication Date Title
AU2270770A (en)
AU429630B2 (en)
DK135978C (en)
AU2355770A (en)
AU442375B2 (en)
AU427401B2 (en)
AU442285B2 (en)
AU442463B2 (en)
AU442322B2 (en)
AU417208B2 (en)
AU438128B2 (en)
AU442380B2 (en)
AU428131B2 (en)
AU425297B2 (en)
AU414607B2 (en)
AU442357B2 (en)
AU428129B2 (en)
AT308690B (en)
AU428074B2 (en)
AU5133369A (en)
AR203167Q (en)
AU5228269A (en)
CH1932969A4 (en)
BE736219A (en)
BE739875A (en)