DE2119455B2 - - Google Patents

Info

Publication number
DE2119455B2
DE2119455B2 DE2119455A DE2119455A DE2119455B2 DE 2119455 B2 DE2119455 B2 DE 2119455B2 DE 2119455 A DE2119455 A DE 2119455A DE 2119455 A DE2119455 A DE 2119455A DE 2119455 B2 DE2119455 B2 DE 2119455B2
Authority
DE
Germany
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.)
Granted
Application number
DE2119455A
Other languages
German (de)
Other versions
DE2119455C3 (enExample
DE2119455A1 (en
Inventor
Hartmut Dipl.-Ing. 4542 Tecklenburg Upmeier
Horst 4540 Lengerich Broenstrup
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Priority to DE19712119455 priority Critical patent/DE2119455A1/de
Publication of DE2119455A1 publication Critical patent/DE2119455A1/de
Publication of DE2119455B2 publication Critical patent/DE2119455B2/de
Application granted granted Critical
Publication of DE2119455C3 publication Critical patent/DE2119455C3/de
Granted 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
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE19712119455 1971-04-21 1971-04-21 Plastic film shaping - with heater superimposed on feed channel round blow-moulding head Granted DE2119455A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19712119455 DE2119455A1 (en) 1971-04-21 1971-04-21 Plastic film shaping - with heater superimposed on feed channel round blow-moulding head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712119455 DE2119455A1 (en) 1971-04-21 1971-04-21 Plastic film shaping - with heater superimposed on feed channel round blow-moulding head

Publications (3)

Publication Number Publication Date
DE2119455A1 DE2119455A1 (en) 1972-11-09
DE2119455B2 true DE2119455B2 (enExample) 1974-05-22
DE2119455C3 DE2119455C3 (enExample) 1975-01-02

Family

ID=5805431

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712119455 Granted DE2119455A1 (en) 1971-04-21 1971-04-21 Plastic film shaping - with heater superimposed on feed channel round blow-moulding head

Country Status (1)

Country Link
DE (1) DE2119455A1 (enExample)

Also Published As

Publication number Publication date
DE2119455C3 (enExample) 1975-01-02
DE2119455A1 (en) 1972-11-09

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8340 Patent of addition ceased/non-payment of fee of main patent