CA1030708A - Vis d'extrudeuse avec arbre a creux et saillies - Google Patents

Vis d'extrudeuse avec arbre a creux et saillies

Info

Publication number
CA1030708A
CA1030708A CA202,004A CA202004A CA1030708A CA 1030708 A CA1030708 A CA 1030708A CA 202004 A CA202004 A CA 202004A CA 1030708 A CA1030708 A CA 1030708A
Authority
CA
Canada
Prior art keywords
raised
shaft
extruder screw
depressed sections
depressed
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
CA202,004A
Other languages
English (en)
Other versions
CA202004S (en
Inventor
Nickolas N. Sokolow
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.)
Beloit Corp
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 CA1030708A publication Critical patent/CA1030708A/fr
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
    • B29C48/505—Screws
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
    • 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)
CA202,004A 1973-09-17 1974-06-10 Vis d'extrudeuse avec arbre a creux et saillies Expired CA1030708A (fr)

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
CA1030708A true CA1030708A (fr) 1978-05-09

Family

ID=23572176

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202,004A Expired CA1030708A (fr) 1973-09-17 1974-06-10 Vis d'extrudeuse avec arbre a creux et saillies

Country Status (6)

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

Families Citing this family (13)

* 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
GB2184975B (en) * 1985-05-02 1989-07-12 Robert F Dray Method and apparatus for melting and conveying plasticated material
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
JP4307258B2 (ja) * 2001-09-11 2009-08-05 ビューラー・アクチエンゲゼルシャフト 周面と自由体積との特殊な比、若しくはスクリュー内径と外径との特殊な比を用いて、連続的な混合及び処理プロセスを行うための方法、及び多軸押出機
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
CN120326908B (zh) * 2025-06-13 2026-05-29 东莞市精恒机械有限公司 一种三元硼化合物合金螺杆及其生产工艺

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR956934A (fr) * 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
USB397674I5 (fr) 1976-03-16
IT1021345B (it) 1978-01-30
DE2443811A1 (de) 1975-03-20
JPS5056450A (fr) 1975-05-17
US3998438A (en) 1976-12-21
FR2243809A1 (fr) 1975-04-11

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19950509