GB8824511D0 - Extrusion die for blown plastic film - Google Patents

Extrusion die for blown plastic film

Info

Publication number
GB8824511D0
GB8824511D0 GB888824511A GB8824511A GB8824511D0 GB 8824511 D0 GB8824511 D0 GB 8824511D0 GB 888824511 A GB888824511 A GB 888824511A GB 8824511 A GB8824511 A GB 8824511A GB 8824511 D0 GB8824511 D0 GB 8824511D0
Authority
GB
United Kingdom
Prior art keywords
plastic film
extrusion die
blown plastic
blown
extrusion
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.)
Withdrawn
Application number
GB888824511A
Other versions
GB2225272A (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.)
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 GB8824511A priority Critical patent/GB2225272A/en
Publication of GB8824511D0 publication Critical patent/GB8824511D0/en
Publication of GB2225272A publication Critical patent/GB2225272A/en
Withdrawn legal-status Critical Current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
    • B29C48/03—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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB8824511A 1988-10-19 1988-10-19 Extrusion die for blown plastic film Withdrawn GB2225272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8824511A GB2225272A (en) 1988-10-19 1988-10-19 Extrusion die for blown plastic film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8824511A GB2225272A (en) 1988-10-19 1988-10-19 Extrusion die for blown plastic film

Publications (2)

Publication Number Publication Date
GB8824511D0 true GB8824511D0 (en) 1988-11-23
GB2225272A GB2225272A (en) 1990-05-30

Family

ID=10645462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8824511A Withdrawn GB2225272A (en) 1988-10-19 1988-10-19 Extrusion die for blown plastic film

Country Status (1)

Country Link
GB (1) GB2225272A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2082437C (en) * 1991-11-14 1998-01-20 Peter C. Gates Spiral fed multi-layer tubular die
CN100427292C (en) * 2005-03-18 2008-10-22 陈亦锋 Co-extrusion mould head for packaging bag production

Also Published As

Publication number Publication date
GB2225272A (en) 1990-05-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)