USB397674I5 - - Google Patents

Info

Publication number
USB397674I5
USB397674I5 US39767473A USB397674I5 US B397674 I5 USB397674 I5 US B397674I5 US 39767473 A US39767473 A US 39767473A US B397674 I5 USB397674 I5 US B397674I5
Authority
US
United States
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.)
Pending
Application number
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 filed Critical
Priority to US05/397,674 priority Critical patent/US3998438A/en
Priority to CA202,004A priority patent/CA1030708A/en
Priority to FR7427853A priority patent/FR2243809A1/fr
Priority to IT27251/74A priority patent/IT1021345B/en
Priority to DE19742443811 priority patent/DE2443811A1/en
Priority to JP49107022A priority patent/JPS5056450A/ja
Publication of USB397674I5 publication Critical patent/USB397674I5/en
Application granted granted Critical
Publication of US3998438A publication Critical patent/US3998438A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
US05/397,674 1973-09-17 1973-09-17 Extruder plasticizing and mixing screw Expired - Lifetime US3998438A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US05/397,674 US3998438A (en) 1973-09-17 1973-09-17 Extruder plasticizing and mixing screw
CA202,004A CA1030708A (en) 1973-09-17 1974-06-10 Extruder screw with raised or depressed sections on the shaft
FR7427853A FR2243809A1 (en) 1973-09-17 1974-08-12
IT27251/74A IT1021345B (en) 1973-09-17 1974-09-13 MIXING AND PLASTICATION SCREW FOR THE EXTRUSION OF PLASTIC MATERIALS
DE19742443811 DE2443811A1 (en) 1973-09-17 1974-09-13 EXTRUSION PRESS WITH PLASTICIZING AND MIXING SCREW
JP49107022A JPS5056450A (en) 1973-09-17 1974-09-17

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 (2)

Publication Number Publication Date
USB397674I5 true USB397674I5 (en) 1976-03-16
US3998438A US3998438A (en) 1976-12-21

Family

ID=23572176

Family Applications (1)

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

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115418060A (en) * 2022-07-29 2022-12-02 浙江数合新材料有限公司 Manufacturing process of high-flame-retardant alloy thermoplastic plate for aviation

Families Citing this family (11)

* 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
DE3404461A1 (en) * 1984-02-08 1985-08-14 Robert F. Hamilton Tex. Dray Device and process for melting and conveying plasticated material
US4896969A (en) * 1985-05-02 1990-01-30 Dray Robert F Method and apparatus for melting and conveying plasticated material
DE3690220T1 (en) * 1985-05-02 1987-06-04
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
ATE309898T1 (en) * 2001-09-11 2005-12-15 Buehler Ag METHOD FOR CARRYING OUT CONTINUOUS MIXING AND PROCESSING PROCESSES USING SPECIAL RATIO OF SHEATH SURFACE AND FREE VOLUME OR SCREW INTERNAL AND OUTSIDE DIAMETER
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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR956934A (en) * 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 (en) * 1968-07-02 1972-05-04 Barmag Barmer Maschf SCREW EXTRUSION PRESS FOR HIGHLY VISCOSE THERMOPLASTIC MATERIALS
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115418060A (en) * 2022-07-29 2022-12-02 浙江数合新材料有限公司 Manufacturing process of high-flame-retardant alloy thermoplastic plate for aviation

Also Published As

Publication number Publication date
CA1030708A (en) 1978-05-09
FR2243809A1 (en) 1975-04-11
US3998438A (en) 1976-12-21
JPS5056450A (en) 1975-05-17
IT1021345B (en) 1978-01-30
DE2443811A1 (en) 1975-03-20

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Legal Events

Date Code Title Description
AS Assignment

Owner name: DEACON MACHINERY, INC., PITTSFIELD, MA A CORP. OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:BELOIT CORPORATION;REEL/FRAME:003900/0405

Effective date: 19810423

AS Assignment

Owner name: FIRST AGRICULTURAL BANK, A TRUST COMPANY OF MA, FO

Free format text: SECURITY INTEREST;ASSIGNOR:DEACON MACHINERY INC.;REEL/FRAME:004019/0501

Effective date: 19820721

Owner name: FIRST AGRICULTURAL BANK, A TRUST COMPANY OF , FOR

Free format text: SECURITY INTEREST;ASSIGNOR:DEACON MACHINERY INC.;REEL/FRAME:004019/0501

Effective date: 19820721