CH535116A - Doppelkopf zur Extrusion von zwei Hohlsträngen - Google Patents

Doppelkopf zur Extrusion von zwei Hohlsträngen

Info

Publication number
CH535116A
CH535116A CH1919671A CH1919671A CH535116A CH 535116 A CH535116 A CH 535116A CH 1919671 A CH1919671 A CH 1919671A CH 1919671 A CH1919671 A CH 1919671A CH 535116 A CH535116 A CH 535116A
Authority
CH
Switzerland
Prior art keywords
extrusion
double head
hollow strands
strands
hollow
Prior art date
Application number
CH1919671A
Other languages
English (en)
Inventor
Michael Dr Krause
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of CH535116A publication Critical patent/CH535116A/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
    • B29C48/36—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
    • 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
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH1919671A 1971-01-02 1971-12-30 Doppelkopf zur Extrusion von zwei Hohlsträngen CH535116A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712100095 DE2100095A1 (de) 1971-01-02 1971-01-02 Doppelkopf zur Extrusion von Hohlsträngen

Publications (1)

Publication Number Publication Date
CH535116A true CH535116A (de) 1973-03-31

Family

ID=5795130

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1919671A CH535116A (de) 1971-01-02 1971-12-30 Doppelkopf zur Extrusion von zwei Hohlsträngen

Country Status (6)

Country Link
AT (1) AT326897B (de)
CH (1) CH535116A (de)
DE (1) DE2100095A1 (de)
FR (1) FR2120182A1 (de)
GB (1) GB1375980A (de)
IT (1) IT944649B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5067885A (en) * 1988-06-17 1991-11-26 Gencorp Inc. Rapid change die assembly
US5110276A (en) * 1989-12-28 1992-05-05 Farnsworth John T Extrusion die assembly

Also Published As

Publication number Publication date
GB1375980A (en) 1974-12-04
AT326897B (de) 1976-01-12
IT944649B (it) 1973-04-20
ATA1127271A (de) 1975-03-15
FR2120182A1 (de) 1972-08-11
DE2100095A1 (de) 1972-07-27

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Legal Events

Date Code Title Description
PL Patent ceased