IT1090860B - Procedimento ed apparecchio per l'estrusione di materiale ermoplastico - Google Patents

Procedimento ed apparecchio per l'estrusione di materiale ermoplastico

Info

Publication number
IT1090860B
IT1090860B IT69004/77A IT6900477A IT1090860B IT 1090860 B IT1090860 B IT 1090860B IT 69004/77 A IT69004/77 A IT 69004/77A IT 6900477 A IT6900477 A IT 6900477A IT 1090860 B IT1090860 B IT 1090860B
Authority
IT
Italy
Prior art keywords
extrusion
procedure
hermoplastic
hermoplastic material
Prior art date
Application number
IT69004/77A
Other languages
English (en)
Italian (it)
Original Assignee
Leesona Corp
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
Priority claimed from US05/727,155 external-priority patent/US4112039A/en
Application filed by Leesona Corp filed Critical Leesona Corp
Application granted granted Critical
Publication of IT1090860B publication Critical patent/IT1090860B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87Cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/05Filamentary, e.g. strands
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/06Rod-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/345Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/04Particle-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT69004/77A 1976-09-27 1977-09-08 Procedimento ed apparecchio per l'estrusione di materiale ermoplastico IT1090860B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/727,155 US4112039A (en) 1975-02-12 1976-09-27 Pelletizing process

Publications (1)

Publication Number Publication Date
IT1090860B true IT1090860B (it) 1985-06-26

Family

ID=24921545

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69004/77A IT1090860B (it) 1976-09-27 1977-09-08 Procedimento ed apparecchio per l'estrusione di materiale ermoplastico

Country Status (11)

Country Link
JP (1) JPS5342253A (enExample)
BE (1) BE858442A (enExample)
BR (1) BR7706266A (enExample)
CA (1) CA1104780A (enExample)
CH (1) CH618381A5 (enExample)
DE (1) DE2741256A1 (enExample)
FR (1) FR2365431A1 (enExample)
GB (1) GB1590281A (enExample)
IT (1) IT1090860B (enExample)
NL (1) NL7710467A (enExample)
SE (1) SE7710208L (enExample)

Also Published As

Publication number Publication date
DE2741256A1 (de) 1978-03-30
NL7710467A (nl) 1978-03-29
SE7710208L (sv) 1978-03-28
BE858442A (fr) 1978-01-02
CA1104780A (en) 1981-07-14
FR2365431A1 (fr) 1978-04-21
FR2365431B3 (enExample) 1980-06-06
GB1590281A (en) 1981-05-28
CH618381A5 (en) 1980-07-31
BR7706266A (pt) 1978-05-30
JPS5342253A (en) 1978-04-17

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