CH486976A - Folienblaskopf zur Herstellung von Schlauchfolien - Google Patents

Folienblaskopf zur Herstellung von Schlauchfolien

Info

Publication number
CH486976A
CH486976A CH349069A CH349069A CH486976A CH 486976 A CH486976 A CH 486976A CH 349069 A CH349069 A CH 349069A CH 349069 A CH349069 A CH 349069A CH 486976 A CH486976 A CH 486976A
Authority
CH
Switzerland
Prior art keywords
production
die head
film die
tubular films
films
Prior art date
Application number
CH349069A
Other languages
English (en)
Inventor
Upmeier Hartmut
Original Assignee
Windmoeller & Hoelscher
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 & Hoelscher filed Critical Windmoeller & Hoelscher
Publication of CH486976A publication Critical patent/CH486976A/de

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
    • B29C48/30—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
    • B29C48/03—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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH349069A 1968-03-18 1969-03-07 Folienblaskopf zur Herstellung von Schlauchfolien CH486976A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW0045894 1968-03-18

Publications (1)

Publication Number Publication Date
CH486976A true CH486976A (de) 1970-03-15

Family

ID=7604684

Family Applications (1)

Application Number Title Priority Date Filing Date
CH349069A CH486976A (de) 1968-03-18 1969-03-07 Folienblaskopf zur Herstellung von Schlauchfolien

Country Status (2)

Country Link
CH (1) CH486976A (de)
DE (1) DE1729129A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD137553B1 (de) * 1978-07-07 1980-12-10 Helmar Franz Rotierendes folienblaswerkzeug mit folieninnenkuehlung
DE4322023C1 (de) * 1993-07-02 1994-02-24 Gkn Automotive Ag Verteilerkopf
DE102013108045B9 (de) 2013-07-26 2017-09-21 Windmöller & Hölscher Kg Blasfolien-Extrusionsvorrichtung, Temperaturregelung für eine Blasfolien-Extrusionsvorrichtung und Verfahrenzur Temperaturregelung einer Blasfolien-Extrusionsvorrichtung

Also Published As

Publication number Publication date
DE1729129A1 (de) 1971-06-09

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Legal Events

Date Code Title Description
PL Patent ceased