IT1128605B - Procedimento ed apparecchio per la incorporazione di additivi in materiali plastici - Google Patents

Procedimento ed apparecchio per la incorporazione di additivi in materiali plastici

Info

Publication number
IT1128605B
IT1128605B IT49883/80A IT4988380A IT1128605B IT 1128605 B IT1128605 B IT 1128605B IT 49883/80 A IT49883/80 A IT 49883/80A IT 4988380 A IT4988380 A IT 4988380A IT 1128605 B IT1128605 B IT 1128605B
Authority
IT
Italy
Prior art keywords
incorporation
additives
procedure
plastic materials
plastic
Prior art date
Application number
IT49883/80A
Other languages
English (en)
Other versions
IT8049883A0 (it
Inventor
Alan Harvey Hill
Original Assignee
Gen Eng Radcliffe 1979
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 Gen Eng Radcliffe 1979 filed Critical Gen Eng Radcliffe 1979
Publication of IT8049883A0 publication Critical patent/IT8049883A0/it
Application granted granted Critical
Publication of IT1128605B publication Critical patent/IT1128605B/it

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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/60—Pump mixers, i.e. mixing within a pump
    • B01F25/62—Pump mixers, i.e. mixing within a pump of the gear type
    • 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
    • B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
    • 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
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37—Gear pumps
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
    • 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
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Rotary Pumps (AREA)
IT49883/80A 1979-10-12 1980-10-13 Procedimento ed apparecchio per la incorporazione di additivi in materiali plastici IT1128605B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7935441 1979-10-12

Publications (2)

Publication Number Publication Date
IT8049883A0 IT8049883A0 (it) 1980-10-13
IT1128605B true IT1128605B (it) 1986-05-28

Family

ID=10508450

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49883/80A IT1128605B (it) 1979-10-12 1980-10-13 Procedimento ed apparecchio per la incorporazione di additivi in materiali plastici

Country Status (6)

Country Link
US (1) US4338274A (it)
JP (1) JPS5689534A (it)
DE (1) DE3038580A1 (it)
FR (1) FR2467074A1 (it)
GB (1) GB2066140B (it)
IT (1) IT1128605B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8305214D0 (en) * 1983-02-25 1983-03-30 Gen Eng Radcliffe Gear pump
GB8604673D0 (en) * 1986-02-25 1986-04-03 Shaw Co Manchester Ltd Francis Treating viscous material
GB8913743D0 (en) * 1989-06-15 1989-08-02 Bicc Plc Manufacture of extruded products
DE4122382C2 (de) * 1991-07-05 1994-08-25 Wilhelm Helling Verfahren zur Aufbereitung von Kunststoffmischungen sowie Verwendung des danach herstellbaren Gemisches
WO1994028055A1 (en) * 1993-05-28 1994-12-08 E.I. Du Pont De Nemours And Company Staged feeding process for mixing polymers
US5505591A (en) * 1993-07-30 1996-04-09 Tynan; Daniel G. Apparatus for processing materials
US5486327A (en) * 1994-01-21 1996-01-23 Bemis Manufacturing Company Apparatus and method for injecting or extruding colored plastic
US5516476A (en) * 1994-11-08 1996-05-14 Hills, Inc, Process for making a fiber containing an additive
DE19602091A1 (de) * 1996-01-22 1997-07-24 Uth Gmbh Extruder
DE19639735A1 (de) * 1996-09-27 1998-04-02 Uth Gmbh Extruder
DE19841376A1 (de) * 1998-09-10 2000-03-16 Lurgi Zimmer Ag Verfahren zur Einspeisung von Additiven in einen Polymerschmelzestrom
US6289928B1 (en) 1998-12-04 2001-09-18 Basf Corporation Apparatus and method for direct injection of additives into a polymer melt stream
DE19909171A1 (de) * 1999-03-03 2000-09-07 Josef Kemming Spitzengehäuse mit Pumpe bei Zweischneckenextrudern
DE102004013201A1 (de) * 2004-03-17 2005-10-06 Kuraray Specialities Europe Gmbh Verfahren zur Coextrusion von Schmelzeströmen unterschiedlicher Zusammensetzung
US20060268658A1 (en) * 2005-05-27 2006-11-30 Strasser Wayne S Computational flow dynamics investigation of mixing within an industrial-scale gear pump

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB117097A (en) * 1917-04-30 1918-07-02 John Stratton Improvements in Extruding Rubber and the like.
US1923268A (en) * 1931-01-09 1933-08-22 Amos V Jensen Pump
DE1176351B (de) * 1960-10-07 1964-08-20 Rudolph Scheffus Maschinenfabr Strang- oder Bandpresse mit zwei walzen-aehnlichen Koerpern zum Zufuehren von Teigen, Pasten oder Fettmassen in die Druckkammer der Presse
US3291060A (en) * 1966-03-21 1966-12-13 Lucas Industries Ltd Gear pumps
US3420180A (en) * 1967-07-21 1969-01-07 Caterpillar Tractor Co Gear pump
DE2062469A1 (de) * 1970-12-18 1972-06-29 Zimmer AG Planung und Bau v. Industrieanlagen, 6000 Frankfurt Vorrichtung zum Fördern, Mischen und Homogenisieren eines hochviskosen Materials
AT317935B (de) * 1971-02-03 1974-09-25 Apaw Sa Zahnradpumpe zur Herstellung von Luft-Flüssigkeitsgemischen, insbesondere in Softeis- und Schlagobersmaschinen od.dgl.
US3680990A (en) * 1971-04-30 1972-08-01 Sperry Rand Corp Removable liner for gear pump
NL7314742A (it) * 1972-11-06 1974-05-08
GB1471115A (en) * 1973-04-11 1977-04-21 Gen Engineering Co Extrusion of plastics materials
GB1518503A (en) * 1974-07-15 1978-07-19 Ici Ltd Liquid mixing gear pumps
DE2438013A1 (de) * 1974-08-07 1976-02-19 Wilhelm Haeberle Einrichtung zur plastifizierung von kunststoffgranulaten od. dgl.
GB1601698A (en) * 1977-08-20 1981-11-04 Gen Eng Radcliffe Extrusion method and apparatus therefor
GB1601699A (en) * 1977-11-03 1981-11-04 Gen Eng Radcliffe Method and apparatus for dispersing a liquid additive throughout a plastics material
GB1591605A (en) * 1978-05-18 1981-06-24 Gen Eng Radcliffe Method and apparatus for the injection of additives into plastics material

Also Published As

Publication number Publication date
US4338274A (en) 1982-07-06
FR2467074A1 (fr) 1981-04-17
JPS6364287B2 (it) 1988-12-12
DE3038580C2 (it) 1988-08-11
GB2066140A (en) 1981-07-08
IT8049883A0 (it) 1980-10-13
GB2066140B (en) 1983-05-25
FR2467074B1 (it) 1984-02-24
DE3038580A1 (de) 1981-06-19
JPS5689534A (en) 1981-07-20

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