IT994146B - Perfezionamento nelle pompe per impasti semiliquidi in particolare calcestruzzo e simili - Google Patents
Perfezionamento nelle pompe per impasti semiliquidi in particolare calcestruzzo e similiInfo
- Publication number
- IT994146B IT994146B IT51957/73A IT5195773A IT994146B IT 994146 B IT994146 B IT 994146B IT 51957/73 A IT51957/73 A IT 51957/73A IT 5195773 A IT5195773 A IT 5195773A IT 994146 B IT994146 B IT 994146B
- Authority
- IT
- Italy
- Prior art keywords
- pumps
- semi
- improvement
- similar
- liquid mixtures
- Prior art date
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
- 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
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3714372A GB1397778A (en) | 1972-08-09 | 1972-08-09 | Slurry pumps |
Publications (1)
Publication Number | Publication Date |
---|---|
IT994146B true IT994146B (it) | 1975-10-20 |
Family
ID=10394105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51957/73A IT994146B (it) | 1972-08-09 | 1973-08-09 | Perfezionamento nelle pompe per impasti semiliquidi in particolare calcestruzzo e simili |
Country Status (11)
Country | Link |
---|---|
US (1) | US3929400A (de) |
AU (1) | AU475242B2 (de) |
BE (1) | BE803440A (de) |
DE (1) | DE2340265A1 (de) |
FR (1) | FR2196676A5 (de) |
GB (1) | GB1397778A (de) |
IE (1) | IE38418B1 (de) |
IT (1) | IT994146B (de) |
NL (1) | NL7311020A (de) |
SE (1) | SE394496B (de) |
ZA (1) | ZA735417B (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2632816C2 (de) * | 1976-07-21 | 1982-07-29 | Friedrich Wilh. Schwing Gmbh, 4690 Herne | Abdichtvorrichtung für eine Doppelzylinderpumpe, insbesondere für die Förderung von Beton |
DE2725089C2 (de) * | 1977-06-03 | 1979-05-31 | Maschinenfabrik Walter Scheele Kg, 4750 Unna-Massen | Schiebervorrichtung für eine Zweizylinder-Betonpumpe |
DE2903749C2 (de) * | 1979-02-01 | 1983-11-10 | Karl Dipl.-Ing. 7000 Stuttgart Schlecht | Kolbenpumpe mit S-förmig gekrümmtem Schwenkrohr |
EP0485862B1 (de) * | 1990-11-16 | 1993-08-04 | Friedrich Wilh. Schwing GmbH | Dickstoffpumpe mit paarweise abwechselnd fördernden und ansaugenden Förderzylindern |
GB2325026B (en) * | 1997-05-07 | 1999-03-10 | Yu Lin Huang | A slurry supplying mechanism |
DE19724504A1 (de) * | 1997-06-11 | 1998-12-17 | Schwing Gmbh F | Zweizylinderdickstoffpumpe |
AU2007249107A1 (en) * | 2007-11-08 | 2009-05-28 | Drago Jambrecina | Improved concrete pump |
DE102012009233A1 (de) * | 2012-05-09 | 2013-11-14 | Mesutronic Gerätebau GmbH | Rohrweiche |
GB2513107B (en) * | 2013-04-03 | 2020-01-01 | Cde Global Ltd | Materials processing apparatus |
CN108799039B (zh) * | 2018-06-06 | 2023-06-30 | 徐州吉安矿业科技有限公司 | 一种高粘度不能自流浆体的输送泵装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2957430A (en) * | 1959-01-29 | 1960-10-25 | Leon G Naef | Cement pump unit |
US3181469A (en) * | 1963-02-07 | 1965-05-04 | Hydro Con Corp | Concrete pumping apparatus |
GB1098338A (en) * | 1966-04-20 | 1968-01-10 | Eugene Lee Sherrod | Reciprocating pump for semi-liquid materials |
US3465685A (en) * | 1968-02-21 | 1969-09-09 | Eugene L Sherrod | Self-clearing rotating conveyor |
US3647325A (en) * | 1968-04-15 | 1972-03-07 | Cons Concrete Ltd | Concrete pump |
DE1703219B2 (de) * | 1968-04-19 | 1977-02-24 | Putzmeister GmbH, Chur (Schweiz) | Betonpumpe |
DE1803819C3 (de) * | 1968-10-18 | 1975-06-05 | Maschinenfabrik Walter Scheele, 4600 Dortmund | Betonpumpe |
US3682575A (en) * | 1970-12-10 | 1972-08-08 | Karl Guddal | Concrete pump |
DE2104191C3 (de) * | 1971-01-29 | 1975-10-23 | Torkret Gmbh, 4300 Essen | Vorrichtung zur Förderung von breiigen, abbindenden Massen |
DE2162406C3 (de) * | 1971-12-16 | 1979-03-01 | Karl Dipl.-Ing. 7024 Bernhausen Schlecht | Schiebervorrichtung fur eine Pumpe mit zwei im Gegentakt arbeitenden Zylindern zum Fördern von Beton o.dgl |
-
1972
- 1972-08-09 GB GB3714372A patent/GB1397778A/en not_active Expired
-
1973
- 1973-08-09 AU AU59103/73A patent/AU475242B2/en not_active Expired
- 1973-08-09 NL NL7311020A patent/NL7311020A/xx not_active Application Discontinuation
- 1973-08-09 BE BE134432A patent/BE803440A/xx not_active IP Right Cessation
- 1973-08-09 US US387165A patent/US3929400A/en not_active Expired - Lifetime
- 1973-08-09 IE IE1369/73A patent/IE38418B1/xx unknown
- 1973-08-09 ZA ZA735417A patent/ZA735417B/xx unknown
- 1973-08-09 SE SE7310922A patent/SE394496B/xx unknown
- 1973-08-09 DE DE19732340265 patent/DE2340265A1/de not_active Ceased
- 1973-08-09 FR FR7329117A patent/FR2196676A5/fr not_active Expired
- 1973-08-09 IT IT51957/73A patent/IT994146B/it active
Also Published As
Publication number | Publication date |
---|---|
GB1397778A (en) | 1975-06-18 |
ZA735417B (en) | 1974-10-30 |
NL7311020A (de) | 1974-02-12 |
IE38418B1 (en) | 1978-03-15 |
BE803440A (fr) | 1973-12-03 |
SE394496B (sv) | 1977-06-27 |
DE2340265A1 (de) | 1974-02-21 |
AU475242B2 (en) | 1976-08-19 |
AU5910373A (en) | 1975-02-13 |
US3929400A (en) | 1975-12-30 |
FR2196676A5 (de) | 1974-03-15 |
IE38418L (en) | 1974-02-09 |
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