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GB2061811B - Cooling blown extruded tubular film - Google Patents

Cooling blown extruded tubular film

Info

Publication number
GB2061811B
GB2061811B GB7938092A GB7938092A GB2061811B GB 2061811 B GB2061811 B GB 2061811B GB 7938092 A GB7938092 A GB 7938092A GB 7938092 A GB7938092 A GB 7938092A GB 2061811 B GB2061811 B GB 2061811B
Authority
GB
United Kingdom
Prior art keywords
tubular film
extruded tubular
cooling blown
blown extruded
cooling
Prior art date
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
GB7938092A
Other versions
GB2061811A (en
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.)
Harvey R D L R
Original Assignee
Harvey R D L R
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 Harvey R D L R filed Critical Harvey R D L R
Priority to GB7938092A priority Critical patent/GB2061811B/en
Publication of GB2061811A publication Critical patent/GB2061811A/en
Application granted granted Critical
Publication of GB2061811B publication Critical patent/GB2061811B/en
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
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • 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
    • B29C48/911—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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB7938092A 1979-11-02 1979-11-02 Cooling blown extruded tubular film Expired GB2061811B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7938092A GB2061811B (en) 1979-11-02 1979-11-02 Cooling blown extruded tubular film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7938092A GB2061811B (en) 1979-11-02 1979-11-02 Cooling blown extruded tubular film

Publications (2)

Publication Number Publication Date
GB2061811A GB2061811A (en) 1981-05-20
GB2061811B true GB2061811B (en) 1984-07-11

Family

ID=10508949

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7938092A Expired GB2061811B (en) 1979-11-02 1979-11-02 Cooling blown extruded tubular film

Country Status (1)

Country Link
GB (1) GB2061811B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106985314A (en) * 2017-03-16 2017-07-28 延安大学 A kind of vane cooling system and its operating method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4405463A1 (en) * 1994-02-21 1995-08-24 Windmoeller & Hoelscher Method and device for cooling the tube made of thermoplastic melt extruded from a film blowing head
HUP0301174A2 (en) * 2003-04-30 2005-03-29 Dr-Pack Ii. Kft. Method and apparatus for cooling of extruded thermoplastic blown film tubes
CN103434130A (en) * 2013-09-04 2013-12-11 南京沪江复合材料有限公司 Film bubble heat insulation protection cover of film blowing machine
CN112248398A (en) * 2020-10-10 2021-01-22 湖州骏才科技有限公司 Film blowing device for plastic film production and processing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106985314A (en) * 2017-03-16 2017-07-28 延安大学 A kind of vane cooling system and its operating method

Also Published As

Publication number Publication date
GB2061811A (en) 1981-05-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee