FR2021888A1 - - Google Patents

Info

Publication number
FR2021888A1
FR2021888A1 FR6936621A FR6936621A FR2021888A1 FR 2021888 A1 FR2021888 A1 FR 2021888A1 FR 6936621 A FR6936621 A FR 6936621A FR 6936621 A FR6936621 A FR 6936621A FR 2021888 A1 FR2021888 A1 FR 2021888A1
Authority
FR
France
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Withdrawn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
FR6936621A
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 FR2021888A1 publication Critical patent/FR2021888A1/fr
Withdrawn legal-status Critical Current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
    • F04B15/023—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 supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
    • 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
    • F04B7/0003—Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber
    • F04B7/0011—Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber and having an oscillating movement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps
    • Y10S417/90—Slurry pumps, e.g. concrete

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
FR6936621A 1968-10-30 1969-10-24 Withdrawn FR2021888A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681805972 DE1805972A1 (de) 1968-10-30 1968-10-30 Betonpumpe

Publications (1)

Publication Number Publication Date
FR2021888A1 true FR2021888A1 (fr) 1970-07-24

Family

ID=5711900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6936621A Withdrawn FR2021888A1 (fr) 1968-10-30 1969-10-24

Country Status (5)

Country Link
US (1) US3628897A (fr)
DE (1) DE1805972A1 (fr)
ES (1) ES372565A1 (fr)
FR (1) FR2021888A1 (fr)
GB (1) GB1266613A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1963875C3 (de) * 1969-12-20 1975-10-23 Friedrich Dipl.-Ing. 4680 Wanne-Eickel Schwing Kolbenpumpe mit hydraulischem Antrieb zum Fördern von Beton
US3860035A (en) * 1973-03-02 1975-01-14 Engineered Concrete Placer Inc Modified slurry pump
AR206931A1 (es) * 1974-08-24 1976-08-31 Schwing Gmbh F Bomba a pistones con cilindros multiples para el transporte de hormigon
FR2317524A1 (fr) * 1975-07-09 1977-02-04 Prunet Jean Noel Pompe pour liquides charges
US4303378A (en) * 1977-09-22 1981-12-01 Thomsen Equipment Company Concrete pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2032163A (en) * 1932-09-30 1936-02-25 Ralph B Bagby Filling machine
US2125283A (en) * 1936-05-06 1938-08-02 Leo S Madlem Pump for semifluids
US2685259A (en) * 1950-10-02 1954-08-03 Chain Belt Co Valve chamber for concrete pumps
US3146721A (en) * 1960-08-08 1964-09-01 Schwing Friedrich Wilhelm Hydraulic piston pump for the pumping of viscous pulpy or plastic substances

Also Published As

Publication number Publication date
DE1805972A1 (de) 1970-06-11
GB1266613A (fr) 1972-03-15
ES372565A1 (es) 1972-02-16
US3628897A (en) 1971-12-21

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Legal Events

Date Code Title Description
ST Notification of lapse