BE724873A - - Google Patents

Info

Publication number
BE724873A
BE724873A BE66955A BE66955A BE724873A BE 724873 A BE724873 A BE 724873A BE 66955 A BE66955 A BE 66955A BE 66955 A BE66955 A BE 66955A BE 724873 A BE724873 A BE 724873A
Authority
BE
Belgium
Application number
BE66955A
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 filed Critical
Priority to BE66955A priority Critical patent/BE724873A/xx
Publication of BE724873A publication Critical patent/BE724873A/xx
Priority to CH1612469A priority patent/CH501489A/fr
Priority to ES373363A priority patent/ES373363A1/es
Priority to DE6945123U priority patent/DE6945123U/de
Priority to FR6940043A priority patent/FR2025164A1/fr

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
    • 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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
BE66955A 1968-12-04 1968-12-04 BE724873A (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE66955A BE724873A (zh) 1968-12-04 1968-12-04
CH1612469A CH501489A (fr) 1968-12-04 1969-10-29 Tête d'extrusion pour la production d'éléments en polyoléfine à structure cellulaire
ES373363A ES373363A1 (es) 1968-12-04 1969-11-08 Un dispositivo de cabezal de extrusion para la produccion de poliolefinas celulares.
DE6945123U DE6945123U (de) 1968-12-04 1969-11-20 Extrusionskopf zur erzeugung von zellfoermigen polyolefinen
FR6940043A FR2025164A1 (en) 1968-12-04 1969-11-20 Extrusion of expanded polyolefins through a die having

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE66955A BE724873A (zh) 1968-12-04 1968-12-04

Publications (1)

Publication Number Publication Date
BE724873A true BE724873A (zh) 1969-06-04

Family

ID=3841154

Family Applications (1)

Application Number Title Priority Date Filing Date
BE66955A BE724873A (zh) 1968-12-04 1968-12-04

Country Status (5)

Country Link
BE (1) BE724873A (zh)
CH (1) CH501489A (zh)
DE (1) DE6945123U (zh)
ES (1) ES373363A1 (zh)
FR (1) FR2025164A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE6945123U (de) 1970-04-02
ES373363A1 (es) 1972-01-16
FR2025164A1 (en) 1970-09-04
CH501489A (fr) 1971-01-15

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