IT1134809B - SCREW PRESS WITH BARRED CYLINDER FOR THE PROCESSING OF THERMOPLASTIC MATERIALS AND ELASTOMERS - Google Patents

SCREW PRESS WITH BARRED CYLINDER FOR THE PROCESSING OF THERMOPLASTIC MATERIALS AND ELASTOMERS

Info

Publication number
IT1134809B
IT1134809B IT26787/80A IT2678780A IT1134809B IT 1134809 B IT1134809 B IT 1134809B IT 26787/80 A IT26787/80 A IT 26787/80A IT 2678780 A IT2678780 A IT 2678780A IT 1134809 B IT1134809 B IT 1134809B
Authority
IT
Italy
Prior art keywords
barred
elastomers
cylinder
processing
thermoplastic materials
Prior art date
Application number
IT26787/80A
Other languages
Italian (it)
Other versions
IT8026787A0 (en
Inventor
Dietmar Anders
Original Assignee
Berstorff Gmbh Masch Hermann
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 Berstorff Gmbh Masch Hermann filed Critical Berstorff Gmbh Masch Hermann
Publication of IT8026787A0 publication Critical patent/IT8026787A0/en
Application granted granted Critical
Publication of IT1134809B publication Critical patent/IT1134809B/en

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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/68Barrels or cylinders
    • B29C48/685Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/687Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having projections with a short length in the barrel direction, e.g. pins
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means 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
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/535Screws with thread pitch varying along the longitudinal axis
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/565Screws having projections other than the thread, e.g. pins
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/59Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/605Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous
    • 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
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/68Barrels or cylinders
    • 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

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)
  • Injection Moulding Of Plastics Or The Like (AREA)
IT26787/80A 1980-02-01 1980-12-19 SCREW PRESS WITH BARRED CYLINDER FOR THE PROCESSING OF THERMOPLASTIC MATERIALS AND ELASTOMERS IT1134809B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3003615A DE3003615C2 (en) 1980-02-01 1980-02-01 Screw extruder with pin cylinder

Publications (2)

Publication Number Publication Date
IT8026787A0 IT8026787A0 (en) 1980-12-19
IT1134809B true IT1134809B (en) 1986-08-20

Family

ID=6093460

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26787/80A IT1134809B (en) 1980-02-01 1980-12-19 SCREW PRESS WITH BARRED CYLINDER FOR THE PROCESSING OF THERMOPLASTIC MATERIALS AND ELASTOMERS

Country Status (7)

Country Link
JP (1) JPS56126143A (en)
DE (1) DE3003615C2 (en)
FR (1) FR2474946A1 (en)
GB (1) GB2068249B (en)
IT (1) IT1134809B (en)
NL (1) NL8006782A (en)
SE (1) SE435824B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221472C2 (en) * 1982-06-07 1984-06-20 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Extruder
US4491417A (en) * 1983-04-29 1985-01-01 Usm Corporation Devolatilizing mixing extruder
DE3438649A1 (en) * 1984-10-22 1986-04-24 Windmöller & Hölscher, 4540 Lengerich SINGLE SCREW EXTRUSION FOR THERMOPLASTIC AND ELASTOMERS
GB2178691B (en) * 1985-07-16 1989-10-25 Farrel Bridge Ltd Screw extruders
DE3709798C2 (en) * 1987-03-25 1995-02-23 Krupp Ag Multi-part snail
DE59102180D1 (en) * 1990-12-14 1994-08-18 Berstorff Gmbh Masch Hermann Processes and extruders for processing and manufacturing rubber and thermoplastics.
DE4137969C1 (en) * 1990-12-14 1992-10-15 Berstorff Gmbh Masch Hermann
DE4114610C2 (en) * 1990-12-14 1994-05-26 Berstorff Gmbh Masch Hermann Pen transfer extruder
DE4120016C1 (en) * 1990-12-14 1992-07-02 Berstorff Gmbh Masch Hermann
DE4039942C1 (en) * 1990-12-14 1992-01-30 Berstorff Gmbh Masch Hermann
DE4114609C2 (en) * 1990-12-14 1994-06-09 Berstorff Gmbh Masch Hermann High-performance extruder with a constant number of gears in the inlet and outlet area of a transfer shear part
DE4209179C1 (en) * 1992-03-20 1993-01-14 Paul Troester Maschinenfabrik, 3000 Hannover, De
GB9210720D0 (en) * 1992-05-20 1992-07-08 Holyroyd Associates Limited Production of feedstock for compounding of polymeric materials
DE4244312C1 (en) * 1992-12-28 1994-01-20 Baumgarten Wilfried Screw extruder
US20050006850A1 (en) * 2003-05-05 2005-01-13 Gerold Barth Shaft of a shredding device and a shredding device
JP4338668B2 (en) * 2005-04-05 2009-10-07 住友ゴム工業株式会社 Rubber extruder
DE102016122277A1 (en) 2016-11-18 2018-05-24 Troester Gmbh & Co. Kg Pin-extruder
CN110919909B (en) * 2019-10-25 2021-12-28 青岛科技大学 Efficient continuous waste rubber regeneration equipment and preparation method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE607376A (en) * 1960-08-22 1900-01-01
CH510512A (en) * 1969-05-05 1971-07-31 Sig Schweiz Industrieges Screw press
DE2235784C3 (en) * 1972-07-21 1986-01-09 Uniroyal Englebert Reifen GmbH, 5100 Aachen Single-screw extruder for mixing and homogenizing high-viscosity rubber compounds and high-viscosity thermoplastics
DE2243039C3 (en) * 1972-09-01 1980-08-14 Werner & Pfleiderer, 7000 Stuttgart Continuously working screw kneading mixer
DE2461320A1 (en) * 1973-01-17 1976-07-08 Exxon Research Engineering Co Single screw extruder - having spaced discontinuous helical flights each centered between preceding flights

Also Published As

Publication number Publication date
FR2474946A1 (en) 1981-08-07
SE8100750L (en) 1981-08-02
IT8026787A0 (en) 1980-12-19
NL8006782A (en) 1981-09-01
DE3003615C2 (en) 1984-03-29
FR2474946B1 (en) 1985-04-26
JPS56126143A (en) 1981-10-02
SE435824B (en) 1984-10-22
DE3003615A1 (en) 1981-08-20
GB2068249A (en) 1981-08-12
GB2068249B (en) 1983-05-25

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