AT339582B - SCREW EXTRUSION PRESS - Google Patents

SCREW EXTRUSION PRESS

Info

Publication number
AT339582B
AT339582B AT354574A AT354574A AT339582B AT 339582 B AT339582 B AT 339582B AT 354574 A AT354574 A AT 354574A AT 354574 A AT354574 A AT 354574A AT 339582 B AT339582 B AT 339582B
Authority
AT
Austria
Prior art keywords
screw extrusion
extrusion press
press
screw
extrusion
Prior art date
Application number
AT354574A
Other languages
German (de)
Other versions
ATA354574A (en
Inventor
Norbert Ing Coster
Original Assignee
Sofisa Fa
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 Sofisa Fa filed Critical Sofisa Fa
Publication of ATA354574A publication Critical patent/ATA354574A/en
Application granted granted Critical
Publication of AT339582B publication Critical patent/AT339582B/en

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
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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
    • B29C48/505—Screws
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
AT354574A 1973-06-22 1974-04-29 SCREW EXTRUSION PRESS AT339582B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH910573A CH551853A (en) 1973-06-22 1973-06-22 SCREW PRESS.

Publications (2)

Publication Number Publication Date
ATA354574A ATA354574A (en) 1977-02-15
AT339582B true AT339582B (en) 1977-10-25

Family

ID=4348371

Family Applications (1)

Application Number Title Priority Date Filing Date
AT354574A AT339582B (en) 1973-06-22 1974-04-29 SCREW EXTRUSION PRESS

Country Status (9)

Country Link
JP (1) JPS50135166A (en)
AT (1) AT339582B (en)
CH (1) CH551853A (en)
DE (1) DE2418107A1 (en)
FR (1) FR2234124B1 (en)
GB (1) GB1428058A (en)
IT (1) IT1018599B (en)
NL (1) NL7407293A (en)
SE (1) SE405336B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567459Y2 (en) * 1976-09-14 1981-02-18
DE2934297A1 (en) * 1979-08-24 1981-03-26 Eberhard Dipl.-Ing. 7000 Stuttgart Grünschloß Extruder screw - in which multiple threads in fusion zone have twin flow paths where one has sickle shaped section
JPS56129582U (en) * 1980-03-03 1981-10-01
CH649738A5 (en) * 1982-12-21 1985-06-14 Maillefer Sa SCREW EXTRUDER FOR PLASTICS.
JPS61227003A (en) * 1985-04-01 1986-10-09 Toshiba Mach Co Ltd Screw for plastic molding equipped with subflight
JPS63176606U (en) * 1987-05-06 1988-11-16
JP7034422B2 (en) * 2018-02-13 2022-03-14 株式会社日本製鋼所 Two-screw extruder, reducer and extrusion method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639464A (en) * 1950-01-03 1953-05-26 Nat Rubber Machinery Co Extrusion apparatus

Also Published As

Publication number Publication date
FR2234124A1 (en) 1975-01-17
IT1018599B (en) 1977-10-20
ATA354574A (en) 1977-02-15
GB1428058A (en) 1976-03-17
SE405336B (en) 1978-12-04
DE2418107A1 (en) 1975-01-23
SE7406418L (en) 1974-12-23
NL7407293A (en) 1974-12-24
JPS50135166A (en) 1975-10-27
CH551853A (en) 1974-07-31
FR2234124B1 (en) 1977-09-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee