DK133863B - Process for extruding high molecular weight powder or granular olefin plastics and extruder for carrying out the process. - Google Patents

Process for extruding high molecular weight powder or granular olefin plastics and extruder for carrying out the process.

Info

Publication number
DK133863B
DK133863B DK486969AA DK486969A DK133863B DK 133863 B DK133863 B DK 133863B DK 486969A A DK486969A A DK 486969AA DK 486969 A DK486969 A DK 486969A DK 133863 B DK133863 B DK 133863B
Authority
DK
Denmark
Prior art keywords
extruder
carrying
molecular weight
high molecular
weight powder
Prior art date
Application number
DK486969AA
Other languages
Danish (da)
Other versions
DK133863C (en
Inventor
Aake Svende
Original Assignee
Aake Svende
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 Aake Svende filed Critical Aake Svende
Priority to DK486969AA priority Critical patent/DK133863B/en
Priority to SE11283/70A priority patent/SE365156B/xx
Priority to DE19702041653 priority patent/DE2041653A1/en
Publication of DK133863B publication Critical patent/DK133863B/en
Application granted granted Critical
Publication of DK133863C publication Critical patent/DK133863C/da

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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/834—Cooling
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DK486969AA 1969-09-11 1969-09-11 Process for extruding high molecular weight powder or granular olefin plastics and extruder for carrying out the process. DK133863B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK486969AA DK133863B (en) 1969-09-11 1969-09-11 Process for extruding high molecular weight powder or granular olefin plastics and extruder for carrying out the process.
SE11283/70A SE365156B (en) 1969-09-11 1970-08-19
DE19702041653 DE2041653A1 (en) 1969-09-11 1970-08-21 Polytropic extrusion of plastics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK486969AA DK133863B (en) 1969-09-11 1969-09-11 Process for extruding high molecular weight powder or granular olefin plastics and extruder for carrying out the process.

Publications (2)

Publication Number Publication Date
DK133863B true DK133863B (en) 1976-08-02
DK133863C DK133863C (en) 1977-01-10

Family

ID=8137387

Family Applications (1)

Application Number Title Priority Date Filing Date
DK486969AA DK133863B (en) 1969-09-11 1969-09-11 Process for extruding high molecular weight powder or granular olefin plastics and extruder for carrying out the process.

Country Status (3)

Country Link
DE (1) DE2041653A1 (en)
DK (1) DK133863B (en)
SE (1) SE365156B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH649738A5 (en) * 1982-12-21 1985-06-14 Maillefer Sa SCREW EXTRUDER FOR PLASTICS.
AT509262A1 (en) 2009-12-18 2011-07-15 Engel Austria Gmbh PLASTICIZING UNIT WITH INSULATING ELEMENT IN THE FILLING AREA

Also Published As

Publication number Publication date
DK133863C (en) 1977-01-10
DE2041653A1 (en) 1971-03-18
SE365156B (en) 1974-03-18

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Legal Events

Date Code Title Description
PBP Patent lapsed