GB2068249B - Screw press for processing thermoplastic and elastomeric materials - Google Patents

Screw press for processing thermoplastic and elastomeric materials

Info

Publication number
GB2068249B
GB2068249B GB8102691A GB8102691A GB2068249B GB 2068249 B GB2068249 B GB 2068249B GB 8102691 A GB8102691 A GB 8102691A GB 8102691 A GB8102691 A GB 8102691A GB 2068249 B GB2068249 B GB 2068249B
Authority
GB
United Kingdom
Prior art keywords
elastomeric materials
screw press
processing thermoplastic
thermoplastic
processing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB8102691A
Other versions
GB2068249A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KraussMaffei Extrusion GmbH
Original Assignee
Hermann Berstorff Maschinenbau GmbH
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 Hermann Berstorff Maschinenbau GmbH filed Critical Hermann Berstorff Maschinenbau GmbH
Publication of GB2068249A publication Critical patent/GB2068249A/en
Application granted granted Critical
Publication of GB2068249B publication Critical patent/GB2068249B/en
Expired legal-status Critical Current

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
    • B29C48/687—Barrels 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
    • 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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • 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
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/605—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous
    • 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
    • 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)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB8102691A 1980-02-01 1981-01-29 Screw press for processing thermoplastic and elastomeric materials Expired GB2068249B (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
GB2068249A GB2068249A (en) 1981-08-12
GB2068249B true GB2068249B (en) 1983-05-25

Family

ID=6093460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8102691A Expired GB2068249B (en) 1980-02-01 1981-01-29 Screw press for processing thermoplastic and elastomeric materials

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
DE4120016C1 (en) * 1990-12-14 1992-07-02 Berstorff Gmbh Masch Hermann
DE4114610C2 (en) * 1990-12-14 1994-05-26 Berstorff Gmbh Masch Hermann Pen transfer extruder
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
DE4039942C1 (en) * 1990-12-14 1992-01-30 Berstorff Gmbh Masch Hermann
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
DE3003615C2 (en) 1984-03-29
JPS56126143A (en) 1981-10-02
SE435824B (en) 1984-10-22
DE3003615A1 (en) 1981-08-20
GB2068249A (en) 1981-08-12
IT1134809B (en) 1986-08-20
SE8100750L (en) 1981-08-02
FR2474946A1 (en) 1981-08-07
IT8026787A0 (en) 1980-12-19
FR2474946B1 (en) 1985-04-26
NL8006782A (en) 1981-09-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee