IT1012336B - Valvola per pompa da calcestruzzo - Google Patents

Valvola per pompa da calcestruzzo

Info

Publication number
IT1012336B
IT1012336B IT22679/74A IT2267974A IT1012336B IT 1012336 B IT1012336 B IT 1012336B IT 22679/74 A IT22679/74 A IT 22679/74A IT 2267974 A IT2267974 A IT 2267974A IT 1012336 B IT1012336 B IT 1012336B
Authority
IT
Italy
Prior art keywords
valve
concrete pump
concrete
pump
Prior art date
Application number
IT22679/74A
Other languages
English (en)
Original Assignee
Challenge Cook Bros Inc
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 Challenge Cook Bros Inc filed Critical Challenge Cook Bros Inc
Application granted granted Critical
Publication of IT1012336B publication Critical patent/IT1012336B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • 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
    • F04B7/02—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated
    • F04B7/0266—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated the inlet and discharge means being separate members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)
IT22679/74A 1973-05-14 1974-05-14 Valvola per pompa da calcestruzzo IT1012336B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/359,706 US3934813A (en) 1973-05-14 1973-05-14 Concrete pump valve

Publications (1)

Publication Number Publication Date
IT1012336B true IT1012336B (it) 1977-03-10

Family

ID=23414945

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22679/74A IT1012336B (it) 1973-05-14 1974-05-14 Valvola per pompa da calcestruzzo

Country Status (6)

Country Link
US (1) US3934813A (it)
JP (1) JPS5019002A (it)
AU (1) AU6867274A (it)
DE (1) DE2423386A1 (it)
FR (1) FR2229904B1 (it)
IT (1) IT1012336B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE150536T1 (de) * 1993-02-02 1997-04-15 Putzmeister Maschf Verfahren zum fördern von vorzerkleinerten metallschrott oder dergleichen festkörper enthaltenden dickstoffen
CN103031956B (zh) * 2011-09-29 2016-01-13 徐州徐工施维英机械有限公司 一种防止混凝土输送管终端混凝土溅落的安全装置
CN107725803B (zh) * 2017-11-15 2024-04-12 飞翼股份有限公司 止回阀总成和泵送充填管道系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733041A (en) * 1956-01-31 Steam valve
US807739A (en) * 1905-08-17 1905-12-19 Jacob Patrick Hanson Leak-stopping gland.
US940098A (en) * 1908-02-29 1909-11-16 Nat Water Main Cleaning Co Device for joining parts of conduits.
US1545696A (en) * 1924-01-07 1925-07-14 Riley Ralph James Valve mechanism
GB233488A (en) * 1924-03-17 1925-05-14 English Electric Co Ltd Improvements in or relating to pipe connections
US1681381A (en) * 1924-07-05 1928-08-21 Jr Edgar B Tolman Conveyer
US1671161A (en) * 1927-05-21 1928-05-29 George W Perks Expansion pipe joint or coupling
US1964044A (en) * 1931-10-22 1934-06-26 Inner Tite Clamp Corp Pipe joint packing device
US1980335A (en) * 1932-08-25 1934-11-13 Westinghouse Air Brake Co Gasket construction
US2650839A (en) * 1948-08-03 1953-09-01 Dresser Ind Large diameter coupling
US3420259A (en) * 1966-09-12 1969-01-07 Case Co J I Reversible adjustable sleeve assembly for a plug valve
US3529804A (en) * 1968-05-03 1970-09-22 Duane O Perrin Piston type valve with expandable seal
US3524620A (en) * 1968-05-27 1970-08-18 Nupro Co Automatically controlled bellows valve
US3659970A (en) * 1969-08-14 1972-05-02 Philip W Mcelroy Concrete pump

Also Published As

Publication number Publication date
DE2423386A1 (de) 1974-12-05
US3934813A (en) 1976-01-27
JPS5019002A (it) 1975-02-28
FR2229904B1 (it) 1976-12-24
AU6867274A (en) 1975-11-13
FR2229904A1 (it) 1974-12-13

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