GB1230191A - - Google Patents

Info

Publication number
GB1230191A
GB1230191A GB1230191DA GB1230191A GB 1230191 A GB1230191 A GB 1230191A GB 1230191D A GB1230191D A GB 1230191DA GB 1230191 A GB1230191 A GB 1230191A
Authority
GB
United Kingdom
Prior art keywords
closure member
pipe
valve
concrete
wiping edge
Prior art date
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
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 filed Critical
Publication of GB1230191A publication Critical patent/GB1230191A/en
Expired 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
    • F04B9/117—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
    • F04B9/1176—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor
    • F04B9/1178—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor the movement in the other direction being obtained by a hydraulic connection between the liquid motor cylinders
    • 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
    • F04B7/02—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
    • 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
    • F16K3/24—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 with cylindrical valve 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
    • 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
    • F16K3/28—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 resilient valve members

Abstract

1,230,191. Valves. J. I. CASE CO. 30 April, 1968 [1 May, 1967 (2)], No.20326/68. Heading F2V. A valve for controlling flow of concrete in a pipe 102 has a replaceable closure member 160 or 204 which seats against the interior surface of the pipe, and which is provided with a wiping edge 148 or 210 to inhibit passage of concrete into valve chamber 104. The guide portion of the closure member is provided with piston rings 126, 132. In the construction of Fig. 3, closure member 160 is dome-shaped and resilient, and the wiping edge is constituted by a sleeve 146. Fig. 6 shows a modification in which the closure member is cut away to provide a surface 206 which, due to the fluid pressure in the pipe, assists opening of the valve. In a further modification (Fig. 8, not shown), a web is provided between surfaces 206, 208.
GB1230191D 1967-05-01 1968-04-30 Expired GB1230191A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63495467A 1967-05-01 1967-05-01
US63514667A 1967-05-01 1967-05-01

Publications (1)

Publication Number Publication Date
GB1230191A true GB1230191A (en) 1971-04-28

Family

ID=27092270

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230191D Expired GB1230191A (en) 1967-05-01 1968-04-30

Country Status (8)

Country Link
BE (1) BE711713A (en)
DE (1) DE1675491B1 (en)
DK (1) DK127486B (en)
ES (1) ES353782A1 (en)
FR (1) FR1556150A (en)
GB (1) GB1230191A (en)
NL (1) NL6803414A (en)
SE (1) SE341500B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2136078A1 (en) * 2008-06-20 2009-12-23 Cifa S.p.A. Test bench for pumping units and relative method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802443A (en) * 1988-10-05 1990-05-01 Stork Protecon Bv DEVICE FOR PUMPING MEAT-CONTAINING PRODUCTS.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE185885C (en) *
US2037873A (en) * 1931-06-12 1936-04-21 Universal Oil Prod Co Self-seating sleeve-type valve
CH225217A (en) * 1942-01-24 1943-01-15 Oederlin Cie Ag Gate valve.
DE1034937B (en) * 1952-09-01 1958-07-24 Rheinisches Metallwerk Gmbh Gate valve with a closing piece made of elastic material with a hose-like continuation on the spindle side
DE1737641U (en) * 1956-09-04 1957-01-10 Rieger Geb REGULATING AND SHUT-OFF VALVE FOR LIQUIDS.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2136078A1 (en) * 2008-06-20 2009-12-23 Cifa S.p.A. Test bench for pumping units and relative method

Also Published As

Publication number Publication date
BE711713A (en) 1968-07-15
SE341500B (en) 1971-12-27
DE1675491B1 (en) 1970-03-19
NL6803414A (en) 1968-11-04
DK127486B (en) 1973-11-12
ES353782A1 (en) 1969-10-16
FR1556150A (en) 1969-01-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee