DE3221949C2 - - Google Patents

Info

Publication number
DE3221949C2
DE3221949C2 DE3221949A DE3221949A DE3221949C2 DE 3221949 C2 DE3221949 C2 DE 3221949C2 DE 3221949 A DE3221949 A DE 3221949A DE 3221949 A DE3221949 A DE 3221949A DE 3221949 C2 DE3221949 C2 DE 3221949C2
Authority
DE
Germany
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
DE3221949A
Other versions
DE3221949A1 (de
Inventor
Shigeaki Iwatsuki Saitama Jp Hirashima
Shintaro Gunma Jp Chida
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.)
Niigata Engineering Co Ltd
Original Assignee
Niigata Engineering Co Ltd
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
Priority claimed from JP1981085315U external-priority patent/JPS6347662Y2/ja
Priority claimed from JP14021281U external-priority patent/JPS5845969U/ja
Priority claimed from JP14021081U external-priority patent/JPS5845968U/ja
Application filed by Niigata Engineering Co Ltd filed Critical Niigata Engineering Co Ltd
Publication of DE3221949A1 publication Critical patent/DE3221949A1/de
Application granted granted Critical
Publication of DE3221949C2 publication Critical patent/DE3221949C2/de
Granted 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
    • 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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • 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
    • F04B7/0233—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers
    • F04B7/0258—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers and having an orbital movement, e.g. elbow-pipe type members
    • 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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • 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
DE19823221949 1981-06-10 1982-06-11 Wechselventil fuer betonpumpen Granted DE3221949A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1981085315U JPS6347662Y2 (de) 1981-06-10 1981-06-10
JP14021281U JPS5845969U (ja) 1981-09-21 1981-09-21 コンクリ−トポンプの流路切換弁
JP14021081U JPS5845968U (ja) 1981-09-21 1981-09-21 コンクリ−トポンプの流路切換弁装置

Publications (2)

Publication Number Publication Date
DE3221949A1 DE3221949A1 (de) 1982-12-30
DE3221949C2 true DE3221949C2 (de) 1987-04-02

Family

ID=27304826

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823221949 Granted DE3221949A1 (de) 1981-06-10 1982-06-11 Wechselventil fuer betonpumpen

Country Status (7)

Country Link
US (1) US4466782A (de)
KR (1) KR840000755A (de)
AU (1) AU540469B2 (de)
DE (1) DE3221949A1 (de)
GB (1) GB2103722B (de)
MY (1) MY8600026A (de)
SG (1) SG7485G (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3409917C2 (de) * 1984-03-17 1986-03-20 Karl Dipl.-Ing. 7000 Stuttgart Schlecht Kolbenpumpe
DE3813758A1 (de) * 1988-04-23 1989-11-02 Putzmeister Maschf Materialaufgabebehaelter fuer dickstoffpumpen
AU654440B1 (en) * 1993-07-07 1994-11-03 Mitsubishi Jukogyo Kabushiki Kaisha Control system for an S-shaped gate valve pressing mechanism
DE4327177A1 (de) * 1993-08-13 1995-02-16 Putzmeister Maschf Anordnung zum Öffnen und Schließen einer Verschlußkappe
DE19724504A1 (de) * 1997-06-11 1998-12-17 Schwing Gmbh F Zweizylinderdickstoffpumpe
DE19820509A1 (de) * 1998-05-08 1999-11-11 Putzmeister Ag Materialaufgabebehälter, insbesondere für Dickstoffpumpen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1098338A (en) * 1966-04-20 1968-01-10 Eugene Lee Sherrod Reciprocating pump for semi-liquid materials
AT277770B (de) * 1968-04-11 1970-01-12 Schwing Friedrich Durch Steuerklappen gesteuerte Betonpumpe mit zwei Pumpenzylindern und einer gemeinsamen Austrittsöffnung
US3667869A (en) * 1970-03-04 1972-06-06 Karl Schlecht Dual cylinder-concrete pump
FR2244085B1 (de) * 1973-09-17 1979-10-19 Case Co J I
CH568481A5 (de) * 1974-03-18 1975-10-31 Seiler Niklaus
JPS5345705A (en) * 1976-10-08 1978-04-24 Niigata Eng Co Ltd Changeover valve device for flow path of concrete pump
US4198193A (en) * 1978-05-12 1980-04-15 Walters James F Automatic wear compensation apparatus for concrete pumping hopper apparatus
DE2903749C2 (de) * 1979-02-01 1983-11-10 Karl Dipl.-Ing. 7000 Stuttgart Schlecht Kolbenpumpe mit S-förmig gekrümmtem Schwenkrohr
US4343598A (en) * 1980-03-14 1982-08-10 Friedrich Wilh. Schwing Gmbh Viscous material pump, particularly for concrete

Also Published As

Publication number Publication date
AU540469B2 (en) 1984-11-22
GB2103722A (en) 1983-02-23
DE3221949A1 (de) 1982-12-30
US4466782A (en) 1984-08-21
GB2103722B (en) 1984-09-26
KR840000755A (ko) 1984-02-27
AU8412882A (en) 1982-12-16
SG7485G (en) 1985-08-08
MY8600026A (en) 1986-12-31

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee