FI840770A - Kugghjulspump. - Google Patents

Kugghjulspump. Download PDF

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Publication number
FI840770A
FI840770A FI840770A FI840770A FI840770A FI 840770 A FI840770 A FI 840770A FI 840770 A FI840770 A FI 840770A FI 840770 A FI840770 A FI 840770A FI 840770 A FI840770 A FI 840770A
Authority
FI
Finland
Prior art keywords
gears
pair
tunnel
teeth
leads
Prior art date
Application number
FI840770A
Other languages
English (en)
Other versions
FI77599C (fi
FI840770A0 (fi
FI77599B (fi
Inventor
David Hyman
Alan Harvey Hill
Original Assignee
Gen Eng Radcliffe
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 filed Critical Gen Eng Radcliffe
Publication of FI840770A0 publication Critical patent/FI840770A0/fi
Publication of FI840770A publication Critical patent/FI840770A/fi
Application granted granted Critical
Publication of FI77599B publication Critical patent/FI77599B/fi
Publication of FI77599C publication Critical patent/FI77599C/fi

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
    • 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
    • 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
    • B29C48/03—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
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
FI840770A 1983-02-25 1984-02-27 Anordning foer behandling av plastmaterial. FI77599C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838305214A GB8305214D0 (en) 1983-02-25 1983-02-25 Gear pump
GB8305214 1983-02-25

Publications (4)

Publication Number Publication Date
FI840770A0 FI840770A0 (fi) 1984-02-27
FI840770A true FI840770A (fi) 1984-08-26
FI77599B FI77599B (fi) 1988-12-30
FI77599C FI77599C (fi) 1989-04-10

Family

ID=10538572

Family Applications (1)

Application Number Title Priority Date Filing Date
FI840770A FI77599C (fi) 1983-02-25 1984-02-27 Anordning foer behandling av plastmaterial.

Country Status (5)

Country Link
EP (1) EP0117720B1 (fi)
AT (1) ATE36987T1 (fi)
DE (1) DE3473850D1 (fi)
FI (1) FI77599C (fi)
GB (1) GB8305214D0 (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3615586C1 (de) * 1986-05-09 1987-05-07 Berstorff Gmbh Masch Hermann Strangpressvorrichtung zum Herstellen von Kunststoffschmelzemischungen
IT1269371B (it) * 1994-05-31 1997-03-26 Salami Spa Pompa volumetrica ad ingranaggi
US20030086331A1 (en) * 2001-11-08 2003-05-08 Jun-Rong Lin Extrusion molding machine
EP1352729A1 (en) * 2002-04-08 2003-10-15 COLMEC S.p.A. Screw extruder with discharge pump
DE102013226110A1 (de) 2013-12-16 2015-07-02 Mahle International Gmbh Pendelschieberpumpe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1220394B (de) * 1964-09-12 1966-07-07 Glanzstoff Koeln Ges Mit Besch Vorrichtung zum kontinuierlichen Mischen und Homogenisieren von Fluessigkeiten verschiedener Viskositaet
GB1601698A (en) * 1977-08-20 1981-11-04 Gen Eng Radcliffe Extrusion method and apparatus therefor
GB1591605A (en) * 1978-05-18 1981-06-24 Gen Eng Radcliffe Method and apparatus for the injection of additives into plastics material
GB2066140B (en) * 1979-10-12 1983-05-25 Gen Eng Radcliffe Method and apparatus for the incorporation of additives into plastics materials

Also Published As

Publication number Publication date
FI77599C (fi) 1989-04-10
EP0117720A3 (en) 1985-10-16
EP0117720B1 (en) 1988-09-07
EP0117720A2 (en) 1984-09-05
ATE36987T1 (de) 1988-09-15
FI840770A0 (fi) 1984-02-27
FI77599B (fi) 1988-12-30
GB8305214D0 (en) 1983-03-30
DE3473850D1 (en) 1988-10-13

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MM Patent lapsed

Owner name: PLCV LIMITED