DE2966509D1 - Plastics extrusion apparatus and method of extruding plastics - Google Patents

Plastics extrusion apparatus and method of extruding plastics

Info

Publication number
DE2966509D1
DE2966509D1 DE7979301385T DE2966509T DE2966509D1 DE 2966509 D1 DE2966509 D1 DE 2966509D1 DE 7979301385 T DE7979301385 T DE 7979301385T DE 2966509 T DE2966509 T DE 2966509T DE 2966509 D1 DE2966509 D1 DE 2966509D1
Authority
DE
Germany
Prior art keywords
plastics
extruding
extrusion apparatus
plastics extrusion
extruding plastics
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
DE7979301385T
Other languages
German (de)
English (en)
Inventor
James Morgan Mckelvey
Samuel Steingiser
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of DE2966509D1 publication Critical patent/DE2966509D1/de
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
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in 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
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • 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
    • B29C48/76—Venting, drying means; Degassing means
    • 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)
DE7979301385T 1978-07-17 1979-07-13 Plastics extrusion apparatus and method of extruding plastics Expired DE2966509D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/925,375 US4173445A (en) 1978-07-17 1978-07-17 Plastics extrusion apparatus

Publications (1)

Publication Number Publication Date
DE2966509D1 true DE2966509D1 (en) 1984-02-02

Family

ID=25451647

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979301385T Expired DE2966509D1 (en) 1978-07-17 1979-07-13 Plastics extrusion apparatus and method of extruding plastics

Country Status (6)

Country Link
US (1) US4173445A (enExample)
EP (1) EP0007752B1 (enExample)
JP (2) JPS5515895A (enExample)
AU (1) AU528936B2 (enExample)
CA (1) CA1124026A (enExample)
DE (1) DE2966509D1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310484A (en) * 1980-08-01 1982-01-12 Union Carbide Corporation Method for extruding molten narrow molecular weight distribution, linear, ethylene copolymers
US4461734A (en) * 1982-09-13 1984-07-24 Union Carbide Corporation Process for plasticization and pumping of low bulk density plastics
EP0124020B1 (en) * 1983-04-29 1987-07-29 Christiaan Johan Rauwendaal Extruder screw
US5126088A (en) * 1991-07-05 1992-06-30 Thermal Industries, Inc. Method for producing an extrusion having a wood grain appearance and an associated apparatus
US5486328A (en) * 1994-05-31 1996-01-23 Randcastle Extrusion Systems, Inc. Extrusion surge suppressor and method
US5599098A (en) * 1995-12-14 1997-02-04 The Black Clawson Company Extruder screw with multiple flighting
CN1168594C (zh) * 1998-05-06 2004-09-29 纳幕尔杜邦公司 塑炼螺旋装置
US20030016585A1 (en) * 1998-05-06 2003-01-23 Leveque Alain Yves Low compression screw
US6887062B1 (en) * 1999-01-12 2005-05-03 The Goodyear Tire & Rubber Company Extruder screw tip and associated flow channel
KR100298257B1 (ko) * 1999-01-25 2001-09-22 이해수 수지압출용 스크류
US20050012235A1 (en) * 2001-11-30 2005-01-20 Schregenberger Sandra D Oxygen tailoring of polyethylene resins
US6921191B2 (en) * 2002-08-23 2005-07-26 Concor Tool And Machinery Injection/extruder screw
US20040213077A1 (en) * 2003-04-23 2004-10-28 Robert Dray Plastic screw
US8202940B2 (en) * 2004-08-19 2012-06-19 Univation Technologies, Llc Bimodal polyethylene compositions for blow molding applications
US7892466B2 (en) 2004-08-19 2011-02-22 Univation Technologies, Llc Oxygen tailoring of polyethylene resins
US20060038315A1 (en) * 2004-08-19 2006-02-23 Tunnell Herbert R Iii Oxygen tailoring of polyethylene resins
US7451600B2 (en) * 2005-07-06 2008-11-18 Pratt & Whitney Canada Corp. Gas turbine engine combustor with improved cooling
US7611347B1 (en) 2009-04-08 2009-11-03 Wenger Manufacturing Inc. Extrusion die assembly for high density products
US7588789B1 (en) 2009-04-08 2009-09-15 Wenger Manufacturing, Inc. High capacity extrusion die assembly
EP2445703B1 (en) 2009-06-25 2019-02-27 Biofiba Innovations Pty Ltd Timber substitute
US8287268B1 (en) * 2011-04-15 2012-10-16 Thomas Michael R Distiller grain pellet production devices
CN103465460A (zh) * 2013-09-05 2013-12-25 昆山地博光电材料有限公司 一种pc薄膜的塑料挤出螺杆
FR3022823B1 (fr) * 2014-06-30 2017-03-10 Michelin & Cie Extrudeuse comportant un fourreau filete
CN111855491B (zh) * 2019-04-28 2023-08-22 中国石油化工股份有限公司 聚合物熔体流动状态的检测方法和装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023456A (en) * 1959-08-03 1962-03-06 Dow Chemical Co Extruder apparatus
CH387939A (de) * 1961-10-30 1965-02-15 Buehler Ag Geb Spritzgussmaschine mit Vakuumentgasung der plastifizierten Masse
US3110060A (en) * 1962-11-01 1963-11-12 Eastman Kodak Co Extrusion-extraction apparatus
US3170190A (en) * 1963-08-06 1965-02-23 Du Pont Extrusion apparatus
US3456298A (en) * 1967-01-18 1969-07-22 Xaloy Inc Pressure balancing means for cylinders for injection molding and extrusion
DE1779231B1 (de) * 1968-02-12 1972-05-31 Reifenhaeuser Kg Schneckenstrangpresse fuer thermoplastischen kunststoff
DE1779711A1 (de) * 1968-09-14 1971-09-09 Eckert & Ziegler Gmbh Spritzgiessmaschine
GB1279663A (en) * 1969-02-14 1972-06-28 Midland Ross Corp Improved extruder screw
US3577494A (en) * 1969-09-05 1971-05-04 Dow Chemical Co Method for the preparation of extrudable synthetic resinous materials
DE2311947A1 (de) * 1973-03-07 1974-09-12 Siemens Ag Einschneckenextruder mit entgasungszone
US3866890A (en) * 1973-11-13 1975-02-18 Scient Process & Research Inc Apparatus for simultaneous plasticating and mixing
US3992500A (en) * 1974-06-07 1976-11-16 Koehring Company Vented extruder
US3949973A (en) * 1974-07-05 1976-04-13 Koehring Company Undercut feed section screw
US4006209A (en) * 1975-02-10 1977-02-01 Egan Machinery Company Method for additive feeding
CA1059718A (en) * 1975-03-12 1979-08-07 Timothy S. Dougherty Advancing and working thermoplastic materials

Also Published As

Publication number Publication date
EP0007752B1 (en) 1983-12-28
CA1124026A (en) 1982-05-25
JPS6333920U (enExample) 1988-03-04
US4173445A (en) 1979-11-06
AU4895179A (en) 1980-01-24
JPS5515895A (en) 1980-02-04
AU528936B2 (en) 1983-05-19
EP0007752A1 (en) 1980-02-06

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee