GB455093A - Improvements in pumps for concrete or the like - Google Patents

Improvements in pumps for concrete or the like

Info

Publication number
GB455093A
GB455093A GB11496/35A GB1149635A GB455093A GB 455093 A GB455093 A GB 455093A GB 11496/35 A GB11496/35 A GB 11496/35A GB 1149635 A GB1149635 A GB 1149635A GB 455093 A GB455093 A GB 455093A
Authority
GB
United Kingdom
Prior art keywords
concrete
pumps
hedemann
markmann
kret
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
GB11496/35A
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.)
EMIL CARL HEINRICH MARKMANN
Original Assignee
EMIL CARL HEINRICH MARKMANN
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 EMIL CARL HEINRICH MARKMANN filed Critical EMIL CARL HEINRICH MARKMANN
Publication of GB455093A publication Critical patent/GB455093A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/117—Retention by friction only, e.g. using springs, resilient sleeves, tapers
    • B23B31/1173—Retention by friction only, e.g. using springs, resilient sleeves, tapers using springs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Paving Machines (AREA)
  • Road Repair (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

455,093. Pumps for concrete and the like. MARKMANN, E. C. H., 24, Grosvenor Gardens, Buckingham Palace Road, Westminster.-(Assignee of Tor kret Ges.; 68, Hedemann strasse, Berlin) April 13 1935, No. 11496. Conven tion date, June 30, 1934 [Class 102 (i)] In a pump for concrete and the like the inlet por 10 and the discharge port 11 are controlled by separate, independently movable segmental valves 2, 3 respectively.
GB11496/35A 1934-06-30 1935-04-13 Improvements in pumps for concrete or the like Expired GB455093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE455093X 1934-06-30

Publications (1)

Publication Number Publication Date
GB455093A true GB455093A (en) 1936-10-13

Family

ID=6539008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11496/35A Expired GB455093A (en) 1934-06-30 1935-04-13 Improvements in pumps for concrete or the like

Country Status (2)

Country Link
FR (1) FR455093A (en)
GB (1) GB455093A (en)

Also Published As

Publication number Publication date
FR455093A (en) 1913-07-22

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