IT1085139B - Testa di iniezione o soffiatura di estrusore per la fabbricazione di profilati cavi,per esempio di tubi flessibili da foglio - Google Patents

Testa di iniezione o soffiatura di estrusore per la fabbricazione di profilati cavi,per esempio di tubi flessibili da foglio

Info

Publication number
IT1085139B
IT1085139B IT23525/77A IT2352577A IT1085139B IT 1085139 B IT1085139 B IT 1085139B IT 23525/77 A IT23525/77 A IT 23525/77A IT 2352577 A IT2352577 A IT 2352577A IT 1085139 B IT1085139 B IT 1085139B
Authority
IT
Italy
Prior art keywords
extruder
blowing
manufacture
flexible sheet
injection head
Prior art date
Application number
IT23525/77A
Other languages
English (en)
Original Assignee
Demag Kunststofftech
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 Demag Kunststofftech filed Critical Demag Kunststofftech
Application granted granted Critical
Publication of IT1085139B publication Critical patent/IT1085139B/it

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
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT23525/77A 1976-05-15 1977-05-13 Testa di iniezione o soffiatura di estrusore per la fabbricazione di profilati cavi,per esempio di tubi flessibili da foglio IT1085139B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762621770 DE2621770A1 (de) 1976-05-15 1976-05-15 Extruder-spritz- oder blaskopf zur herstellung von hohlprofilen, beispielsweise von schlauchfolien

Publications (1)

Publication Number Publication Date
IT1085139B true IT1085139B (it) 1985-05-28

Family

ID=5978135

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23525/77A IT1085139B (it) 1976-05-15 1977-05-13 Testa di iniezione o soffiatura di estrusore per la fabbricazione di profilati cavi,per esempio di tubi flessibili da foglio

Country Status (4)

Country Link
DE (1) DE2621770A1 (it)
FR (1) FR2350941A1 (it)
GB (1) GB1553459A (it)
IT (1) IT1085139B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8222367V0 (it) * 1982-07-09 1982-07-09 Cavalli Alfredo Trafila per pasta sfoglia, particolarmente per macchine per la pasta di uso domestico.
GB8901204D0 (en) * 1989-01-19 1989-03-15 Polysystem Machinery Mfg Blown-film extrusion die
US5262119A (en) * 1992-04-27 1993-11-16 Owens-Illinois Plastics Products Inc. Plastic system for injection molding and extruding a hollow tube for forming a plastic container by blowing
DE19637063A1 (de) * 1996-09-12 1998-03-19 Werner & Pfleiderer Extruder für die Herstellung von Kunststoffgranulat
EP1069981B1 (en) * 1998-01-16 2012-04-04 Lupke, Manfred Arno Alfred Extruder head mandrel spider
CA2227161C (en) * 1998-01-16 2005-11-08 Manfred A. A. Lupke Extrusion mandrel spider
EP3520990A3 (de) 2015-06-01 2019-08-28 Promix Solutions AG Verfahren und vorrichtung zum extrudieren und homogenisieren von ringförmigen extrudaten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239197A (en) * 1960-05-31 1966-03-08 Dow Chemical Co Interfacial surface generator
GB1425747A (en) * 1973-04-05 1976-02-18 Ici Ltd Extrusion process
FR2257410A1 (en) * 1973-09-11 1975-08-08 Creusot Loire Homogenising head for matl. flowing through cranked channel - has revolving screw causing thorough remixing and driven by flow
FR2296505A1 (fr) * 1974-12-31 1976-07-30 Chevalier Philippe Appareil pour l'injection ou l'enduction de resines synthetiques polymerisables

Also Published As

Publication number Publication date
DE2621770A1 (de) 1977-12-08
FR2350941A1 (fr) 1977-12-09
GB1553459A (en) 1979-09-26

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