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

    • 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
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87—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
    • B29C48/03—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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/06—Rod-shaped
    • 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
    • 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
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/04—Particle-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 (en:Method)
BE (1) BE858442A (en:Method)
BR (1) BR7706266A (en:Method)
CA (1) CA1104780A (en:Method)
CH (1) CH618381A5 (en:Method)
DE (1) DE2741256A1 (en:Method)
FR (1) FR2365431A1 (en:Method)
GB (1) GB1590281A (en:Method)
IT (1) IT1090860B (en:Method)
NL (1) NL7710467A (en:Method)
SE (1) SE7710208L (en:Method)

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 (en:Method) 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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