FR2243809A1 - - Google Patents

Info

Publication number
FR2243809A1
FR2243809A1 FR7427853A FR7427853A FR2243809A1 FR 2243809 A1 FR2243809 A1 FR 2243809A1 FR 7427853 A FR7427853 A FR 7427853A FR 7427853 A FR7427853 A FR 7427853A FR 2243809 A1 FR2243809 A1 FR 2243809A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7427853A
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
Publication of FR2243809A1 publication Critical patent/FR2243809A1/fr
Withdrawn legal-status Critical Current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)
FR7427853A 1973-09-17 1974-08-12 Withdrawn FR2243809A1 (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
FR2243809A1 true FR2243809A1 (fr) 1975-04-11

Family

ID=23572176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427853A Withdrawn FR2243809A1 (fr) 1973-09-17 1974-08-12

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 (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
ES2252493T3 (es) * 2001-09-11 2006-05-16 Buhler Ag Procedimiento para la realizacion de procesos continuados de mezcla y tratamiento por medio de unas condiciones especiales de la superficie lateral y del volumen libre o bien del diametro helicoidal interior y exterior.
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 (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
JPS5056450A (fr) 1975-05-17
US3998438A (en) 1976-12-21
IT1021345B (it) 1978-01-30
DE2443811A1 (de) 1975-03-20
USB397674I5 (fr) 1976-03-16
CA1030708A (fr) 1978-05-09

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Legal Events

Date Code Title Description
ST Notification of lapse