CA1292604C - Direct processing of polymer with pulverulent additives in injection moulding machines - Google Patents

Direct processing of polymer with pulverulent additives in injection moulding machines

Info

Publication number
CA1292604C
CA1292604C CA000552796A CA552796A CA1292604C CA 1292604 C CA1292604 C CA 1292604C CA 000552796 A CA000552796 A CA 000552796A CA 552796 A CA552796 A CA 552796A CA 1292604 C CA1292604 C CA 1292604C
Authority
CA
Canada
Prior art keywords
screw
zone
diameter
mixing element
injection moulding
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 - Lifetime
Application number
CA000552796A
Other languages
English (en)
French (fr)
Inventor
Hans Jorg Pfister
Hans-Peter Schlumpf
Edwin Ochsner
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.)
Omya AG
Original Assignee
Pluess Staufer AG
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 Pluess Staufer AG filed Critical Pluess Staufer AG
Application granted granted Critical
Publication of CA1292604C publication Critical patent/CA1292604C/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—Screws
    • 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
    • B29C48/505—Screws
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Mold Materials And Core Materials (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
CA000552796A 1987-01-27 1987-11-25 Direct processing of polymer with pulverulent additives in injection moulding machines Expired - Lifetime CA1292604C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873702348 DE3702348A1 (de) 1987-01-27 1987-01-27 Direktverarbeitung von polymer mit pulverfoermigen additiven in spritzgiessmaschinen
DEP3702348.9 1987-01-27

Publications (1)

Publication Number Publication Date
CA1292604C true CA1292604C (en) 1991-12-03

Family

ID=6319625

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000552796A Expired - Lifetime CA1292604C (en) 1987-01-27 1987-11-25 Direct processing of polymer with pulverulent additives in injection moulding machines

Country Status (7)

Country Link
US (1) US5017015A (en])
EP (1) EP0276390B1 (en])
JP (1) JPS63197618A (en])
AT (1) ATE72780T1 (en])
CA (1) CA1292604C (en])
DE (2) DE3702348A1 (en])
ES (1) ES2031110T3 (en])

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0688295B2 (ja) * 1989-05-12 1994-11-09 三井東圧化学株式会社 射出成形装置
US5314246A (en) * 1993-07-28 1994-05-24 Eastman Kodak Company Increased barrel-stress extruder
JPH0929812A (ja) * 1995-07-18 1997-02-04 Toshiba Mach Co Ltd 成形機用スクリュー
US5939124A (en) * 1996-07-18 1999-08-17 Wenger Manufacturing, Inc. Method of extrusion cooking an edible material
US6120863A (en) * 1996-10-18 2000-09-19 Fort James Corporation Disposable food contact compatible microwaveable containers having at least one micronodular surface and process for their manufacture
DE19710610C2 (de) * 1997-03-14 2000-05-31 Bayer Ag Spritzgießverfahren zur Herstellung von pigmentierten oder füllstoffhaltigen Formkörpern
AT407855B (de) * 1997-04-23 2001-07-25 Bacher Helmut Verfahren und vorrichtung zur überwachung des abnützungsgrades einer ein plastifiziertes material fördernden dichtschnecke
AU2454299A (en) * 1998-01-09 1999-07-26 Ecc International Inc. Compounding polymeric and filler materials to produce high filler concentrates
DE19824699B4 (de) * 1998-06-03 2004-01-15 Orga Kartensysteme Gmbh Verfahren zur Herstellung einer Kunststoffkarte
US6513963B2 (en) * 2001-01-19 2003-02-04 Eastman Kodak Company Multi-staged vented extrusion screw with dual channel depth pumping section
US6881937B2 (en) * 2002-03-22 2005-04-19 Fort James Corporation Thermoformed food containers with enhanced rigidity
US20040213077A1 (en) * 2003-04-23 2004-10-28 Robert Dray Plastic screw
JP5932159B1 (ja) * 2015-01-16 2016-06-08 三菱重工プラスチックテクノロジー株式会社 射出成形方法、射出成形機のスクリュ及び射出成形機

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE858310C (de) * 1943-12-16 1952-12-04 Basf Ag Spritzgussmaschine
US2753595A (en) * 1953-07-24 1956-07-10 Dow Chemical Co Plastics mixing and extrusion machines
CA836936A (en) * 1962-03-21 1970-03-17 A. Loomans Bernard Continuous mixer
FR1454023A (fr) * 1965-08-18 1966-07-22 Boudineuse à vis
GB1264415A (en]) * 1969-06-11 1972-02-23
NL6914965A (en]) * 1969-10-03 1971-04-06
US3787542A (en) * 1971-10-14 1974-01-22 Ici Ltd Production of extruded foamed synthetic thermoplastic polymeric materials
US4015833A (en) * 1975-10-03 1977-04-05 The B. F. Goodrich Company Extruder screw
CH615113A5 (en]) * 1976-04-29 1980-01-15 Sulzer Ag
US4074362A (en) * 1976-11-19 1978-02-14 Hpm Corporation Vented injection molding machine
DE2706755C2 (de) * 1977-02-17 1983-12-22 Dynamit Nobel Ag, 5210 Troisdorf Verfahren und Vorrichtung zum Einarbeiten von Glasfasern in thermoplastische Kunststoffe
US4363768A (en) * 1977-04-15 1982-12-14 Hpm Corporation Method of injection molding employing multichannel wave screw
GB1597770A (en) * 1978-05-31 1981-09-09 Hpm Corp Injection moulding machine with multi-channel wave screw
DE2840478A1 (de) * 1978-09-16 1980-03-27 Gkn Windsor Gmbh Schnecke, insbesondere fuer die spritzeinheit einer spritzgiessmaschine
DE2934147A1 (de) * 1979-08-23 1981-03-12 Mannesmann Demag Kunstofftechnik Zweigniederlassung der Mannesmann Demag AG, 8500 Nürnberg Entgasungs-schneckenspritzgiessmaschine
EP0069271A3 (en) * 1981-06-22 1985-11-27 Gloucester Engineering Co., Inc. Extruder for plastic resin
DE3206325C2 (de) * 1982-02-22 1985-10-10 AUTOMATIK Apparate-Maschinenbau GmbH, 8754 Großostheim Mehrwellige, kontinuierlich arbeitende Misch- und Knetmaschine für plastifizierbare Massen
JPS6031857B2 (ja) * 1982-06-28 1985-07-24 株式会社阪田商会 顔料分散体の製造方法
US4663103A (en) * 1983-08-09 1987-05-05 Collins & Aikman Corporation Apparatus and method of extrusion
JPS6097805A (ja) * 1983-11-02 1985-05-31 Kobe Steel Ltd 単軸混練押出機
EP0213510B2 (en) * 1985-08-16 1995-01-11 Idemitsu Petrochemical Co. Ltd. Screw for molding thermoplastic resin
US4752135A (en) * 1986-12-01 1988-06-21 Baker Perkins, Inc. Mixing apparatus and methods

Also Published As

Publication number Publication date
DE3702348A1 (de) 1988-08-04
EP0276390B1 (de) 1992-02-26
JPS63197618A (ja) 1988-08-16
ES2031110T3 (es) 1992-12-01
DE3702348C2 (en]) 1990-02-08
EP0276390A2 (de) 1988-08-03
DE3776882D1 (de) 1992-04-02
EP0276390A3 (en) 1990-03-21
ATE72780T1 (de) 1992-03-15
US5017015A (en) 1991-05-21
JPH0455848B2 (en]) 1992-09-04

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