FR774621A - Device to prevent blockage of concrete pumps - Google Patents

Device to prevent blockage of concrete pumps

Info

Publication number
FR774621A
FR774621A FR774621DA FR774621A FR 774621 A FR774621 A FR 774621A FR 774621D A FR774621D A FR 774621DA FR 774621 A FR774621 A FR 774621A
Authority
FR
France
Prior art keywords
prevent blockage
concrete pumps
pumps
concrete
blockage
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
Application number
Other languages
French (fr)
Inventor
Giovanni Rodio
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 filed Critical
Application granted granted Critical
Publication of FR774621A publication Critical patent/FR774621A/en
Expired 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/24—Bypassing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR774621D 1933-09-04 1933-09-04 Device to prevent blockage of concrete pumps Expired FR774621A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR774621T 1933-09-04

Publications (1)

Publication Number Publication Date
FR774621A true FR774621A (en) 1934-12-10

Family

ID=9199989

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774621D Expired FR774621A (en) 1933-09-04 1933-09-04 Device to prevent blockage of concrete pumps

Country Status (1)

Country Link
FR (1) FR774621A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2881187A1 (en) * 2005-01-25 2006-07-28 Air Comprime Francais Vit Co S Construction material e.g. mortar, pumping, projecting, applying, coating and grouting device for e.g. wall, has return tube connected in pump outlet and mounted in closed circuit on tank that communicates with pump and receives material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2881187A1 (en) * 2005-01-25 2006-07-28 Air Comprime Francais Vit Co S Construction material e.g. mortar, pumping, projecting, applying, coating and grouting device for e.g. wall, has return tube connected in pump outlet and mounted in closed circuit on tank that communicates with pump and receives material
EP1691078A1 (en) * 2005-01-25 2006-08-16 Air Comprime Français - Vit - Co Pump device for construction materials

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