FR2244085B1 - - Google Patents
Info
- Publication number
- FR2244085B1 FR2244085B1 FR7431059A FR7431059A FR2244085B1 FR 2244085 B1 FR2244085 B1 FR 2244085B1 FR 7431059 A FR7431059 A FR 7431059A FR 7431059 A FR7431059 A FR 7431059A FR 2244085 B1 FR2244085 B1 FR 2244085B1
- Authority
- FR
- France
- 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
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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
- B28C7/163—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure using a pump
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- 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
- F04B7/0019—Piston machines or pumps characterised by having positively-driven valving a common distribution member forming a single discharge distributor for a plurality of pumping chambers
- F04B7/0034—Piston machines or pumps characterised by having positively-driven valving 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39820373A | 1973-09-17 | 1973-09-17 | |
US00399103A US3857328A (en) | 1973-09-20 | 1973-09-20 | Concrete placer assembly |
US450617A US3920357A (en) | 1974-03-13 | 1974-03-13 | Pumping apparatus |
US47006974A | 1974-05-15 | 1974-05-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2244085A1 FR2244085A1 (US07576130-20090818-C00114.png) | 1975-04-11 |
FR2244085B1 true FR2244085B1 (US07576130-20090818-C00114.png) | 1979-10-19 |
Family
ID=27503417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7431059A Expired FR2244085B1 (US07576130-20090818-C00114.png) | 1973-09-17 | 1974-09-13 |
Country Status (6)
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2396185A1 (fr) * | 1977-06-29 | 1979-01-26 | Rotacrete Ltd | Pompe a mouvement alternatif rectiligne, notamment pour le transport de matieres visqueuses, molles ou plastiques |
DE2903749C2 (de) * | 1979-02-01 | 1983-11-10 | Karl Dipl.-Ing. 7000 Stuttgart Schlecht | Kolbenpumpe mit S-förmig gekrümmtem Schwenkrohr |
GB2090924B (en) * | 1980-12-05 | 1984-03-28 | Elba Werk Maschinen Gmbh & Co | Apparatus for conveying materials in particular concrete |
DE3122825C2 (de) * | 1981-06-09 | 1984-11-08 | Maschinenfabrik Walter Scheele GmbH & Co KG, 4750 Unna-Massen | Vorrichtung zur Förderung von breiigen Massen, insbesondere Beton |
US4466782A (en) * | 1981-06-10 | 1984-08-21 | Niigata Engineering Co., Ltd. | Valve unit for use in concrete pumps |
JPS5894886U (ja) * | 1981-12-22 | 1983-06-27 | 株式会社新潟鐵工所 | コンクリ−トポンプ |
DE3409917C2 (de) * | 1984-03-17 | 1986-03-20 | Karl Dipl.-Ing. 7000 Stuttgart Schlecht | Kolbenpumpe |
DE3419832A1 (de) * | 1984-05-26 | 1985-11-28 | Karl Dipl.-Ing. 7000 Stuttgart Schlecht | Rohrweiche einer dickstoff, insbesondere beton foerdernden doppelkolbenpumpe |
JPH0117659Y2 (US07576130-20090818-C00114.png) * | 1984-12-29 | 1989-05-23 | ||
US4718826A (en) * | 1985-12-23 | 1988-01-12 | Simmer Richard C | Mobile pumping apparatus for abrasive slurries |
DE102013114009A1 (de) * | 2013-12-13 | 2015-06-18 | MPS-Matter Pumpsysteme GmbH | Dickstoffpumpvorrichtung, insbesondere für eine fahrbare Dickstoffpumpe |
DE102020133021A1 (de) * | 2020-12-10 | 2022-06-15 | Liebherr-Mischtechnik Gmbh | Dickstofffördervorrichtung |
-
1974
- 1974-09-13 FR FR7431059A patent/FR2244085B1/fr not_active Expired
- 1974-09-14 DE DE19742444464 patent/DE2444464A1/de not_active Withdrawn
- 1974-09-16 IT IT2730774A patent/IT1021400B/it active
- 1974-09-17 GB GB4045574A patent/GB1461529A/en not_active Expired
- 1974-09-17 ES ES430136A patent/ES430136A1/es not_active Expired
- 1974-09-17 JP JP10706174A patent/JPS5076606A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU7337374A (en) | 1976-03-25 |
IT1021400B (it) | 1978-01-30 |
GB1461529A (en) | 1977-01-13 |
DE2444464A1 (de) | 1975-03-27 |
JPS5076606A (US07576130-20090818-C00114.png) | 1975-06-23 |
FR2244085A1 (US07576130-20090818-C00114.png) | 1975-04-11 |
ES430136A1 (es) | 1977-01-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |