IT1021345B - Vitone di miscelazione e plasti ficazione per l estrusione di ma terie plastiche - Google Patents

Vitone di miscelazione e plasti ficazione per l estrusione di ma terie plastiche

Info

Publication number
IT1021345B
IT1021345B IT27251/74A IT2725174A IT1021345B IT 1021345 B IT1021345 B IT 1021345B IT 27251/74 A IT27251/74 A IT 27251/74A IT 2725174 A IT2725174 A IT 2725174A IT 1021345 B IT1021345 B IT 1021345B
Authority
IT
Italy
Prior art keywords
extrusion
mixing
plastic materials
plastication screw
plastication
Prior art date
Application number
IT27251/74A
Other languages
English (en)
Original Assignee
Beloit Corp
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 Beloit Corp filed Critical Beloit Corp
Application granted granted Critical
Publication of IT1021345B publication Critical patent/IT1021345B/it

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
    • B29C48/505Screws
    • B29C48/62Screws characterised by the shape of the thread channel, e.g. U-shaped
    • 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)
IT27251/74A 1973-09-17 1974-09-13 Vitone di miscelazione e plasti ficazione per l estrusione di ma terie plastiche IT1021345B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/397,674 US3998438A (en) 1973-09-17 1973-09-17 Extruder plasticizing and mixing screw

Publications (1)

Publication Number Publication Date
IT1021345B true IT1021345B (it) 1978-01-30

Family

ID=23572176

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27251/74A IT1021345B (it) 1973-09-17 1974-09-13 Vitone di miscelazione e plasti ficazione per l estrusione di ma terie plastiche

Country Status (6)

Country Link
US (1) US3998438A (it)
JP (1) JPS5056450A (it)
CA (1) CA1030708A (it)
DE (1) DE2443811A1 (it)
FR (1) FR2243809A1 (it)
IT (1) IT1021345B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154536A (en) * 1977-07-25 1979-05-15 Beloit Corporation High efficiency injection molding screw
DE3404461C2 (de) * 1984-02-08 1987-01-29 Robert F. Hamilton Tex. Dray Vorrichtung zum Schmelzen und Fördern von plastifiziertem Material mit einer Extrudierschnecke
US4896969A (en) * 1985-05-02 1990-01-30 Dray Robert F Method and apparatus for melting and conveying plasticated material
JPS62502677A (ja) * 1985-05-02 1987-10-15 ドレイ、ロバ−ト・エフ 可塑化材料を融解し輸送するための方法と装置
US4840492A (en) * 1988-04-25 1989-06-20 Kensaku Nakamura Rotational screw for mixing
US5071256A (en) * 1990-07-09 1991-12-10 Spirex Corporation Extruder injection apparatus and method
US5342125A (en) * 1992-05-14 1994-08-30 Great Lakes Feedscrews, Inc. Feedscrew for injection molding and extrusion
DE50204967D1 (de) * 2001-09-11 2005-12-22 Buehler Ag Verfahren zur durchfuhrung kontinuierlicher misch- und aufbereitungsprozesse mittels spezieller verhältnisse von mantelfläche und freiem volumen bzw. schneckeninnen- und aussendurchmesser
US8313051B2 (en) * 2008-03-05 2012-11-20 Sealed Air Corporation (Us) Process and apparatus for mixing a polymer composition and composite polymers resulting therefrom
US9011131B2 (en) * 2010-03-11 2015-04-21 Rms Equipment Llc Lug type extruder screw
US11285652B2 (en) * 2020-02-17 2022-03-29 Robert A. Barr No solid bed extruder screw
CN115418060A (zh) * 2022-07-29 2022-12-02 浙江数合新材料有限公司 一种高阻燃航空用合金热塑板的制造工艺

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR956934A (it) * 1946-12-14 1950-02-10
US2838794A (en) * 1957-04-08 1958-06-17 Du Pont Extrusion apparatus
US3023456A (en) * 1959-08-03 1962-03-06 Dow Chemical Co Extruder apparatus
US3197814A (en) * 1962-07-09 1965-08-03 Du Pont Screw construction for extrusion apparatus and the like
US3518721A (en) * 1966-03-29 1970-07-07 Vasily Alexandrovich Rukas Screw extruder for reprocessing thermoplastics
US3486192A (en) * 1967-03-24 1969-12-30 Union Carbide Corp Apparatus for extrusion of thermoplastics
US3475788A (en) * 1968-03-28 1969-11-04 Nrm Corp Extruder
DE1779055B1 (de) * 1968-07-02 1972-05-04 Barmag Barmer Maschf Schneckenstrangpresse fuer hochviskose thermoplastische stoffe
US3671141A (en) * 1971-01-08 1972-06-20 Midland Ross Corp Extruder comprising a screw having pegs
US3762693A (en) * 1971-04-13 1973-10-02 Western Electric Co Methods of and apparatus for advancing and working thermoplastic materials
US3751015A (en) * 1971-06-22 1973-08-07 Barmag Barmer Maschf Screw extruder with radially projecting pins

Also Published As

Publication number Publication date
FR2243809A1 (it) 1975-04-11
DE2443811A1 (de) 1975-03-20
USB397674I5 (it) 1976-03-16
JPS5056450A (it) 1975-05-17
US3998438A (en) 1976-12-21
CA1030708A (en) 1978-05-09

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