IT1018599B - Pressa elicoidale - Google Patents

Pressa elicoidale

Info

Publication number
IT1018599B
IT1018599B IT85558/74A IT8555874A IT1018599B IT 1018599 B IT1018599 B IT 1018599B IT 85558/74 A IT85558/74 A IT 85558/74A IT 8555874 A IT8555874 A IT 8555874A IT 1018599 B IT1018599 B IT 1018599B
Authority
IT
Italy
Prior art keywords
helical press
helical
press
Prior art date
Application number
IT85558/74A
Other languages
English (en)
Inventor
N Coster
Original Assignee
Sofisa
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 filed Critical Sofisa
Application granted granted Critical
Publication of IT1018599B publication Critical patent/IT1018599B/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
    • B29C48/36—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
IT85558/74A 1973-06-22 1974-06-10 Pressa elicoidale IT1018599B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH910573A CH551853A (de) 1973-06-22 1973-06-22 Schneckenpresse.

Publications (1)

Publication Number Publication Date
IT1018599B true IT1018599B (it) 1977-10-20

Family

ID=4348371

Family Applications (1)

Application Number Title Priority Date Filing Date
IT85558/74A IT1018599B (it) 1973-06-22 1974-06-10 Pressa elicoidale

Country Status (9)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567459Y2 (it) * 1976-09-14 1981-02-18
DE2934297A1 (de) * 1979-08-24 1981-03-26 Eberhard Dipl.-Ing. 7000 Stuttgart Grünschloß Mehrgaengige extruderschnecke
JPS56129582U (it) * 1980-03-03 1981-10-01
CH649738A5 (fr) * 1982-12-21 1985-06-14 Maillefer Sa Extrudeuse a vis pour matieres plastiques.
JPS61227003A (ja) * 1985-04-01 1986-10-09 Toshiba Mach Co Ltd サブフライトを備えたプラスチツク成形用スクリユ
JPS63176606U (it) * 1987-05-06 1988-11-16
JP7034422B2 (ja) * 2018-02-13 2022-03-14 株式会社日本製鋼所 ２軸押出機、減速機及び押出方法

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
SE405336B (sv) 1978-12-04
ATA354574A (de) 1977-02-15
SE7406418L (it) 1974-12-23
NL7407293A (it) 1974-12-24
CH551853A (de) 1974-07-31
GB1428058A (en) 1976-03-17
DE2418107A1 (de) 1975-01-23
AT339582B (de) 1977-10-25
FR2234124B1 (it) 1977-09-30
JPS50135166A (it) 1975-10-27
FR2234124A1 (it) 1975-01-17

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