ZA837967B - Twin cylinder pumps,more specially for concrete - Google Patents

Twin cylinder pumps,more specially for concrete

Info

Publication number
ZA837967B
ZA837967B ZA837967A ZA837967A ZA837967B ZA 837967 B ZA837967 B ZA 837967B ZA 837967 A ZA837967 A ZA 837967A ZA 837967 A ZA837967 A ZA 837967A ZA 837967 B ZA837967 B ZA 837967B
Authority
ZA
South Africa
Prior art keywords
ring
concrete
specially
twin cylinder
seat
Prior art date
Application number
ZA837967A
Other languages
English (en)
Inventor
Friedrich Schwing
Original Assignee
Schwing Friedrich Wilh Gmbh
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 Schwing Friedrich Wilh Gmbh filed Critical Schwing Friedrich Wilh Gmbh
Publication of ZA837967B publication Critical patent/ZA837967B/xx

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/58—Arrangements of pumps
    • B67D7/62—Arrangements of pumps power operated
    • B67D7/64—Arrangements of pumps power operated of piston type
    • B67D7/645—Barrel pumps
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rotary Pumps (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Check Valves (AREA)
  • Springs (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Detergent Compositions (AREA)
ZA837967A 1982-12-24 1983-10-26 Twin cylinder pumps,more specially for concrete ZA837967B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP82111988A EP0112404B1 (de) 1982-12-24 1982-12-24 Zweizylinderdickstoffpumpe, vorzugsweise Betonpumpe

Publications (1)

Publication Number Publication Date
ZA837967B true ZA837967B (en) 1984-06-27

Family

ID=8189430

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA837967A ZA837967B (en) 1982-12-24 1983-10-26 Twin cylinder pumps,more specially for concrete

Country Status (20)

Country Link
US (1) US4556370A (xx)
EP (1) EP0112404B1 (xx)
JP (1) JPS59131778A (xx)
KR (1) KR900004615B1 (xx)
AT (1) ATE20270T1 (xx)
AU (1) AU559378B2 (xx)
BR (1) BR8307113A (xx)
CA (1) CA1215578A (xx)
CS (1) CS259866B2 (xx)
DD (1) DD220096A5 (xx)
DE (1) DE3271599D1 (xx)
ES (1) ES527623A0 (xx)
GR (1) GR78944B (xx)
HU (1) HU186813B (xx)
IL (1) IL70038A (xx)
MX (1) MX159733A (xx)
PL (1) PL142428B1 (xx)
SG (1) SG23088G (xx)
SU (1) SU1336952A3 (xx)
ZA (1) ZA837967B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3905355C2 (de) * 1989-02-22 1994-06-23 Schlecht Karl Rohrweiche für Zweizylinder-Dickstoffpumpen
US5037275A (en) * 1987-06-27 1991-08-06 Karl Schlecht Pipe junction switch for two-cylinder thick-material pump
US6443718B1 (en) * 2000-02-14 2002-09-03 Multiquip, Inc. Shuttle valve for concrete pump
US7513758B2 (en) * 2005-11-08 2009-04-07 Good Earth Tools, Inc. Sealing rings for abrasive slurry pumps
DE102009005318B3 (de) * 2009-01-16 2010-09-30 Schwing, Friedrich, Dipl.-Ing. Verfahren zur Förderung breiiger Massen und Pumpvorrichtung zur Förderung breiiger Massen
DE102013114008A1 (de) * 2013-12-13 2015-06-18 MPS-Matter Pumpsysteme GmbH Dickstoffpumpvorrichtung, insbesondere für eine fahrbare Dickstoffpumpe

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957717A (en) * 1957-03-13 1960-10-25 Cie De Pont A Mousson Sealing members and reinforcements therefor
US3813105A (en) * 1972-04-03 1974-05-28 M Mcqueen Seal
US4015818A (en) * 1975-07-23 1977-04-05 International Telephone And Telegraph Corporation Valve with self-retaining valve seat
DE2614895A1 (de) * 1976-04-07 1977-10-20 Schlecht Karl Beton-rohrweiche
US4198193A (en) * 1978-05-12 1980-04-15 Walters James F Automatic wear compensation apparatus for concrete pumping hopper apparatus
DE2829181A1 (de) * 1978-07-03 1980-01-17 Scheele Maschf W Rohrweiche fuer eine betonpumpe
DE2921735A1 (de) * 1979-05-29 1980-12-04 Teka Baumaschinen Gmbh Vorrichtung zum dichten einer betonpumpe
US4337017A (en) * 1979-09-26 1982-06-29 Evenson William R Hydraulic sleeve valve and seal arrangement for piston pump
DE3042930A1 (de) * 1980-11-14 1982-07-08 Stetter Gmbh, 8940 Memmingen Rohrweiche fuer betonpumpen
DE3153268C2 (en) * 1981-01-31 1988-01-28 Friedrich Wilh. Schwing Gmbh, 4690 Herne, De Two-cylinder viscous-material pump, preferably concrete pump

Also Published As

Publication number Publication date
SU1336952A3 (ru) 1987-09-07
KR900004615B1 (ko) 1990-06-30
DD220096A5 (de) 1985-03-20
JPS59131778A (ja) 1984-07-28
IL70038A (en) 1988-09-30
DE3271599D1 (en) 1986-07-10
CA1215578A (en) 1986-12-23
ES8501493A1 (es) 1984-11-16
EP0112404A1 (de) 1984-07-04
AU2120083A (en) 1984-06-28
SG23088G (en) 1988-09-30
CS259866B2 (en) 1988-11-15
GR78944B (xx) 1984-10-02
ES527623A0 (es) 1984-11-16
EP0112404B1 (de) 1986-06-04
HU186813B (en) 1985-09-30
BR8307113A (pt) 1984-08-07
PL142428B1 (en) 1987-10-31
ATE20270T1 (de) 1986-06-15
KR840007145A (ko) 1984-12-05
PL245306A1 (en) 1984-08-13
US4556370A (en) 1985-12-03
CS981083A2 (en) 1988-04-15
AU559378B2 (en) 1987-03-05
MX159733A (es) 1989-08-11

Similar Documents

Publication Publication Date Title
GB959938A (en) Fluid seal
ES8302214A1 (es) "bomba bibilindrica para materiales espesos, preferiblemente bomba para hormigon"
GB1150645A (en) Sealing Device
ZA867060B (en) Apparatus for constant pressure in line-web crush-scoring
ZA837967B (en) Twin cylinder pumps,more specially for concrete
GB1423778A (en) High-pressure sealing arrangement
AU9398598A (en) Plunger seal assembly for a high pressure pump
ES291632Y (es) Dispositivo valvular magnetico en particular para un cilindro de trabajo alimentado con medio a presion.
ES442572A1 (es) Valvula reguladora de presion.
AU9490498A (en) Biased seal assembly for high pressure fluid pump
EP0135284A3 (en) Valve
SE8401777L (sv) Peristaltisk pump
GB1367377A (en) Two-postion fluidtightpacking for use between a rotary or reciprocat ing element and a surrounding housing
GB1452184A (en) Fluid-tight packings for relatively moving parts
FR2362318A1 (fr) Montage de joint d'arbre du type fendu radialement
FR2279593A1 (fr) Triple-valve pour installations de freins pour vehicules sur rails
SE8502440L (sv) Sjelvjusterande, dynamisk tetningsanordning for doseringspump
FR2337838A1 (fr) Dispositif d'etancheite a joints a glace
ES272665U (es) Embolo perfeccionado, particularmente para el trasiego de fluido aeriformes.
IT1035439B (it) Perfezionamento nei dispositivi di tenuta
FR2308844A1 (fr) Dispositif d'etancheite perfectionne pour arbre rotatif traversant une paroi d'un recipient sous pression
IT1239905B (it) Dispositivo di tenuta idraulica su corpo ruotante in modo intermittente
CA1268025A (en) METHOD OF SHAPING A RESIN COMPOSITE SEAL
RU1768858C (ru) Устройство дл перекрыти трубопровода
FR2299572A2 (fr) Vanne a piston d'obturation pour courant de fluide a pression ou debit eleve