CH551853A - SCREW PRESS. - Google Patents

SCREW PRESS.

Info

Publication number
CH551853A
CH551853A CH910573A CH910573A CH551853A CH 551853 A CH551853 A CH 551853A CH 910573 A CH910573 A CH 910573A CH 910573 A CH910573 A CH 910573A CH 551853 A CH551853 A CH 551853A
Authority
CH
Switzerland
Prior art keywords
screw press
press
screw
Prior art date
Application number
CH910573A
Other languages
German (de)
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
Priority to CH910573A priority Critical patent/CH551853A/en
Priority to DE2418107A priority patent/DE2418107A1/en
Priority to AT354574A priority patent/AT339582B/en
Priority to SE7406418A priority patent/SE405336B/en
Priority to FR7418868A priority patent/FR2234124B1/fr
Priority to NL7407293A priority patent/NL7407293A/xx
Priority to JP49061976A priority patent/JPS50135166A/ja
Priority to IT85558/74A priority patent/IT1018599B/en
Priority to GB2707574A priority patent/GB1428058A/en
Publication of CH551853A publication Critical patent/CH551853A/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
CH910573A 1973-06-22 1973-06-22 SCREW PRESS. CH551853A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CH910573A CH551853A (en) 1973-06-22 1973-06-22 SCREW PRESS.
DE2418107A DE2418107A1 (en) 1973-06-22 1974-04-13 SCREW PRESS
AT354574A AT339582B (en) 1973-06-22 1974-04-29 SCREW EXTRUSION PRESS
SE7406418A SE405336B (en) 1973-06-22 1974-05-14 EXTRACTOR FOR THERMAL PLASTIC PROCESSING
FR7418868A FR2234124B1 (en) 1973-06-22 1974-05-30
NL7407293A NL7407293A (en) 1973-06-22 1974-05-30
JP49061976A JPS50135166A (en) 1973-06-22 1974-06-03
IT85558/74A IT1018599B (en) 1973-06-22 1974-06-10 HELICAL PRESS
GB2707574A GB1428058A (en) 1973-06-22 1974-06-19 Worm presses

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH551853A true CH551853A (en) 1974-07-31

Family

ID=4348371

Family Applications (1)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0112290A2 (en) * 1982-12-21 1984-06-27 Maillefer S.A. Screw extruder for plastic material

Families Citing this family (6)

* 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
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0112290A2 (en) * 1982-12-21 1984-06-27 Maillefer S.A. Screw extruder for plastic material
EP0112290A3 (en) * 1982-12-21 1985-09-04 Maillefer S.A. Screw extruder for plastic material
US4569595A (en) * 1982-12-21 1986-02-11 Maillefer S.A. Screw extruder for plastics

Also Published As

Publication number Publication date
AT339582B (en) 1977-10-25
JPS50135166A (en) 1975-10-27
GB1428058A (en) 1976-03-17
DE2418107A1 (en) 1975-01-23
ATA354574A (en) 1977-02-15
SE405336B (en) 1978-12-04
SE7406418L (en) 1974-12-23
FR2234124A1 (en) 1975-01-17
NL7407293A (en) 1974-12-24
FR2234124B1 (en) 1977-09-30
IT1018599B (en) 1977-10-20

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Legal Events

Date Code Title Description
PL Patent ceased