EP0854285A3 - Pumping device, in particular for cement material - Google Patents

Pumping device, in particular for cement material Download PDF

Info

Publication number
EP0854285A3
EP0854285A3 EP98830016A EP98830016A EP0854285A3 EP 0854285 A3 EP0854285 A3 EP 0854285A3 EP 98830016 A EP98830016 A EP 98830016A EP 98830016 A EP98830016 A EP 98830016A EP 0854285 A3 EP0854285 A3 EP 0854285A3
Authority
EP
European Patent Office
Prior art keywords
suction
pumping device
delivery mouth
phase
performs
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.)
Withdrawn
Application number
EP98830016A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0854285A2 (en
Inventor
Gian Guido Ravellini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0854285A2 publication Critical patent/EP0854285A2/en
Publication of EP0854285A3 publication Critical patent/EP0854285A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/02—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having two cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
EP98830016A 1997-01-17 1998-01-16 Pumping device, in particular for cement material Withdrawn EP0854285A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPR970002 1997-01-17
IT97PR000002A IT1294068B1 (it) 1997-01-17 1997-01-17 Dispositivo di pompaggio, in particolare per materiale cementizio.

Publications (2)

Publication Number Publication Date
EP0854285A2 EP0854285A2 (en) 1998-07-22
EP0854285A3 true EP0854285A3 (en) 1999-11-24

Family

ID=11396048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98830016A Withdrawn EP0854285A3 (en) 1997-01-17 1998-01-16 Pumping device, in particular for cement material

Country Status (2)

Country Link
EP (1) EP0854285A3 (it)
IT (1) IT1294068B1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959217A1 (de) * 1999-12-08 2001-06-13 Putzmeister Ag Verfahren und Anordnung zum Betonieren von vertikalen Schächten
DE102004009362B4 (de) * 2004-02-26 2008-01-24 Schwing Gmbh Kolben-Dickstoffpumpe
CN103352822B (zh) * 2013-06-20 2015-12-02 山东科技大学 柱塞斜盘式泥浆泵
DE102020133038A1 (de) * 2020-12-10 2022-06-15 Liebherr-Mischtechnik Gmbh Dickstofffördervorrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068806A (en) * 1961-07-10 1962-12-18 Robert T Sherrod Pump for semi-fluid material
US3663129A (en) * 1970-09-18 1972-05-16 Leon A Antosh Concrete pump
US3829254A (en) * 1971-10-26 1974-08-13 E Pieper Pump for concrete and the like
EP0422745A1 (en) * 1989-10-13 1991-04-17 Pieter Faber Concrete-pumping device
EP0690229A1 (fr) * 1994-06-28 1996-01-03 Sedepro Pompe volumétrique à boisseau
DE19503986A1 (de) * 1995-02-07 1996-08-08 Hudelmaier Ulrike Verfahren und Vorrichtung zum Fördern von Beton oder anderen Dickstoffen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068806A (en) * 1961-07-10 1962-12-18 Robert T Sherrod Pump for semi-fluid material
US3663129A (en) * 1970-09-18 1972-05-16 Leon A Antosh Concrete pump
US3829254A (en) * 1971-10-26 1974-08-13 E Pieper Pump for concrete and the like
EP0422745A1 (en) * 1989-10-13 1991-04-17 Pieter Faber Concrete-pumping device
EP0690229A1 (fr) * 1994-06-28 1996-01-03 Sedepro Pompe volumétrique à boisseau
DE19503986A1 (de) * 1995-02-07 1996-08-08 Hudelmaier Ulrike Verfahren und Vorrichtung zum Fördern von Beton oder anderen Dickstoffen

Also Published As

Publication number Publication date
EP0854285A2 (en) 1998-07-22
IT1294068B1 (it) 1999-03-22
ITPR970002A1 (it) 1998-07-17

Similar Documents

Publication Publication Date Title
EP0893131A3 (en) Volumetric infusion pump
EP0819853A3 (en) Rotary pump
EP0984165A3 (en) Pump
EP0587256A3 (en) Dredging apparatus
EP0974753A3 (en) Axial piston pump
EP0922534A3 (en) Slurry mixing apparatus and method
EP1124062A3 (en) Electric motor pump with axial-flow impellers
EP0997641A3 (en) Pump device for pumping liquid foodstuff
GB1475242A (en) Positive displacement internally-meshing rotary screw pump and drive coupling therefor
GB2344141B (en) Fluid pumping process and system using a pump with a constant intake or delivery rate
EP0793019A3 (en) Improvements in vacuum pumps
EP1593847A3 (en) Resonator pumping system
EP1101945A3 (en) Vacuum pumps
EP0854285A3 (en) Pumping device, in particular for cement material
EP0961023A3 (en) High pressure fuel injection pump
EP1039138A3 (en) Vacuum pump with inverted motor
EP1061426A3 (en) Pumping system for the injection of measured qualities of fluid into a fluid stream
EP0972937A3 (en) Peristaltic pumps
EP0980690A3 (en) Device for metered fluid delivery
EP0561494A3 (en) Moineau-type pump
WO2001090581A3 (de) Güllepumpenaggregat
SE9600659D0 (sv) Pump
SE8903498L (sv) Saett foer pumpning av en flerfasig gas-vaetskeblandning
CN2594383Y (zh) 一种组合式注浆泵
EP0919724A3 (en) Hydraulically driven double acting diaphragm pump

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

AKX Designation fees paid
REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20000525