GB8901204D0 - Blown-film extrusion die - Google Patents

Blown-film extrusion die

Info

Publication number
GB8901204D0
GB8901204D0 GB898901204A GB8901204A GB8901204D0 GB 8901204 D0 GB8901204 D0 GB 8901204D0 GB 898901204 A GB898901204 A GB 898901204A GB 8901204 A GB8901204 A GB 8901204A GB 8901204 D0 GB8901204 D0 GB 8901204D0
Authority
GB
United Kingdom
Prior art keywords
blown
extrusion die
film extrusion
film
die
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.)
Pending
Application number
GB898901204A
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.)
Polysystem Machinery Manufacturing Inc
Original Assignee
Polysystem Machinery Manufacturing Inc
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 Polysystem Machinery Manufacturing Inc filed Critical Polysystem Machinery Manufacturing Inc
Priority to GB898901204A priority Critical patent/GB8901204D0/en
Publication of GB8901204D0 publication Critical patent/GB8901204D0/en
Priority to AU48264/90A priority patent/AU4826490A/en
Priority to GB9001201A priority patent/GB2227446A/en
Priority to PCT/GB1990/000073 priority patent/WO1990008025A1/en
Pending 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB898901204A 1989-01-19 1989-01-19 Blown-film extrusion die Pending GB8901204D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB898901204A GB8901204D0 (en) 1989-01-19 1989-01-19 Blown-film extrusion die
AU48264/90A AU4826490A (en) 1989-01-19 1990-01-18 Blown-film extrusion die
GB9001201A GB2227446A (en) 1989-01-19 1990-01-18 Extrusion die for blown plastic film
PCT/GB1990/000073 WO1990008025A1 (en) 1989-01-19 1990-01-18 Blown-film extrusion die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898901204A GB8901204D0 (en) 1989-01-19 1989-01-19 Blown-film extrusion die

Publications (1)

Publication Number Publication Date
GB8901204D0 true GB8901204D0 (en) 1989-03-15

Family

ID=10650298

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898901204A Pending GB8901204D0 (en) 1989-01-19 1989-01-19 Blown-film extrusion die
GB9001201A Withdrawn GB2227446A (en) 1989-01-19 1990-01-18 Extrusion die for blown plastic film

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9001201A Withdrawn GB2227446A (en) 1989-01-19 1990-01-18 Extrusion die for blown plastic film

Country Status (3)

Country Link
AU (1) AU4826490A (en)
GB (2) GB8901204D0 (en)
WO (1) WO1990008025A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1094723A (en) * 1996-09-20 1998-04-14 Eiichi Sugiura Fine bubbling device for gas in gas-mixed liquid

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008187A (en) * 1959-01-05 1961-11-14 Raybestos Manhattan Inc Method and apparatus for extruding polytetrafluoroethylene tubing
GB982729A (en) * 1963-06-05 1965-02-10 Dusseldorfer Eisenhuettengesel Improvements relating to machines incorporating devices for homogenising plastic material
NL7005165A (en) * 1969-04-18 1970-10-20
DE2621770A1 (en) * 1976-05-15 1977-12-08 Demag Kunststofftech EXTRUDER INJECTION OR BLOW HEAD FOR THE PRODUCTION OF HOLLOW PROFILES, FOR EXAMPLE TUBULAR FILMS
US4150932A (en) * 1977-04-18 1979-04-24 The B. F. Goodrich Company Extruder strainer plate
US4574067A (en) * 1985-03-01 1986-03-04 Ball Corporation Crosshead with static mixers
US4677006A (en) * 1985-05-29 1987-06-30 E. I. Du Pont De Nemours And Company Seamless laminar article
GB2190035A (en) * 1986-05-08 1987-11-11 Polysystems Machinery Manufact Film extrustion die-lip heater
GB2193921B (en) * 1986-08-15 1990-03-21 Polysystem Machinery Mfg Extrusion die for blown plastic film
WO1988004228A1 (en) * 1986-12-06 1988-06-16 Prosyma Research Limited Fibre reinforced polymer compositions and process and apparatus for production thereof

Also Published As

Publication number Publication date
WO1990008025A1 (en) 1990-07-26
GB2227446A (en) 1990-08-01
AU4826490A (en) 1990-08-13
GB9001201D0 (en) 1990-03-21

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