EP3454992A1 - Valve pistol for a high-pressure cleaning device - Google Patents
Valve pistol for a high-pressure cleaning deviceInfo
- Publication number
- EP3454992A1 EP3454992A1 EP16722888.1A EP16722888A EP3454992A1 EP 3454992 A1 EP3454992 A1 EP 3454992A1 EP 16722888 A EP16722888 A EP 16722888A EP 3454992 A1 EP3454992 A1 EP 3454992A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- actuating
- gun according
- handle
- arm
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims description 25
- 239000012530 fluid Substances 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 210000003811 finger Anatomy 0.000 description 7
- 210000005224 forefinger Anatomy 0.000 description 5
- 210000003813 thumb Anatomy 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013270 controlled release Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004932 little finger Anatomy 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3026—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a gate valve, a sliding valve or a cock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/01—Spray pistols, discharge devices
Definitions
- the invention is directed to a valve gun for a high pressure cleaning apparatus for controlled dispensing of a cleaning fluid
- a valve gun for a high pressure cleaning apparatus for controlled dispensing of a cleaning fluid
- a gun body having a handle and a valve disposed in the gun body in the flow path between a liquid inlet and a liquid outlet having a closing body which is liquid tight in a closed position a valve seat is seated and movable by moving a valve stem into an open position, and with a manually movable actuator for moving the valve stem, wherein the liquid outlet is arranged on a front side of the gun housing and the actuator has an actuating surface which faces away from the liquid outlet rear side of the Handle is arranged.
- a cleaning liquid usually water is used, which may be mixed with a cleaning chemical.
- a pressure hose can be connected to the liquid inlet of the valve gun.
- a spray lance can be connected to the liquid outlet of the valve pistol.
- the cleaning liquid can be directed to an object.
- the user can actuate an actuator of the valve gun and thereby open a valve disposed in the flow path between the fluid inlet and the fluid outlet.
- the actuator is mechanically coupled to the valve lifter.
- the valve stem can be moved, and thereby a closing body of the valve from a closed position, in which he liquid-tight against a valve seat, are moved to an open position in which he takes a distance to the valve seat.
- the liquid inlet is in fluid communication with the liquid outlet. If the user releases the actuating element again after an actuation, the closing body returns from its open position back to the closed position and thereby interrupts the flow connection between the liquid inlet and the liquid outlet.
- the handle of the valve gun has an upper end portion associated with the thumb and forefinger of the user and a lower end portion remote from the upper end portion.
- the liquid inlet and the liquid outlet are arranged adjacent to the lower end portion of the handle.
- An actuator in the form of a hand lever is arranged on the liquid outlet facing the front of the handle and can be operated by the user in the manner of a classic trigger lever with your fingers. As already mentioned, this can lead to fatigue of the user for a longer period of operation.
- Another valve gun, in which an actuator is configured in the form of a hand lever, which is arranged on the liquid outlet facing the front of the handle is known from DE 102 37 428 B3.
- the document WO 2015/086085 A1 discloses a valve gun in which the actuator has an actuating surface which is located on the rear side remote from the liquid outlet of the handle.
- the arrangement of the actuating surface on the back of the handle has the advantage that the user can operate the actuator with his palm, wherein the valve gun is pressed against the palm of the user under the influence of the recoil of the exiting the liquid outlet cleaning liquid. This facilitates the handling of the valve gun, as the user's fingers are relieved.
- the actuator is coupled in the known from document WO 2015/086085 AI valve gun via a coupling lever with the valve lifter.
- Object of the present invention is to develop a valve gun of the generic type such that it has a simpler structural design.
- valve gun of the type mentioned according to the invention in that the actuating member has an applied to the valve tappet force application element.
- an actuating force which the user exerts on the actuating element via the actuating surface can be transmitted from the force-applying element of the actuating member to the valve tappet without the need for additional mechanical coupling elements.
- the Kraftbeaufschlagungselement can be applied to the valve lifter.
- the actuating force can be exerted by the force-applying element on the valve stem.
- the valve gun according to the invention is therefore characterized by a structurally simple design and can nevertheless be used by the user even over long periods of operation without a great deal of effort. be used for the controlled release of a pressurized cleaning fluid.
- the actuating member has an actuating body having the actuating surface, wherein the actuating surface protrudes in a rest position of the actuating body from the back of the handle, and wherein the actuating body can be moved by the user with the palm of a hand in a release position, wherein the Kraftbeaufschlagungselement is arranged on the actuating body.
- the force-applying element arranged on the actuating body exerts an actuating force on the valve tappet. This has the consequence that the valve stem moves the closing body of the valve in the open position.
- the valve stem can be rigidly connected to the closing body of the valve.
- the valve stem is integrally connected to the closing body, so that the valve stem together with the closing body forms a common component, which may be made of metal, for example.
- the closing body may for example be designed spherical or form a cone which is moved by the valve stem from a closed position to an open position.
- valve has a closing spring, which acts on the closing body with a closing force in the direction of the valve seat. Contrary to the action of the force exerted by the closing force closing force of the closing body by means of the valve stem by operating the actuator be moved into its open position. The movement of the closing body from the closed position into the open position thus takes place counter to the action of the closing spring and, moreover, counter to the pressure of the cleaning fluid acting on the closing body.
- the force-applying element of the actuating member may be configured for example in the form of a cam, a projection, a stop or a driver, or for example in the form of a receptacle into which the valve stem is immersed with an end facing away from the closing body.
- the Kraftbeaufschlagungselement is integrally connected in an advantageous embodiment of the invention with the actuator body. It can be provided, for example, that the force-applying element together with the actuating body forms a one-piece plastic or metal part.
- the Kraftbeaufschlagungselement forms a separate component which is held on the actuating body.
- the force-applying element may for example be designed in the form of a pin which is fixed to the actuating body.
- the force-applying element is held adjustably on the actuating body. This gives the possibility to adjust the force application element after assembly of the actuating body.
- the force-applying element can be held, for example, in a sleeve-shaped receptacle of the actuating body, in particular the force-applying element can be pressed or screwed into the sleeve-shaped receptacle.
- the Kraftbeaufschlagungselement is made of metal.
- the actuating body is formed in an advantageous embodiment of the invention as a plastic molding.
- a particularly simple handling of the valve gun is achieved in an advantageous embodiment of the invention in that the actuating body is pivotable about a first pivot axis between the rest position and the release position back and forth.
- the actuator body forms in such an embodiment of a release lever, which can be pivoted by the user with the palm.
- the first pivot axis is conveniently located adjacent the valve lifter.
- the actuating body on an actuating arm and a power transmission arm, wherein the actuating arm has the actuating surface and wherein the power transmission arm is rigidly connected to the actuating arm and is pivotally mounted at its end remote from the actuating arm about the first pivot axis.
- the actuating arm and the power transmission arm can be aligned at an angle to each other, in particular it can be provided that the actuating arm is aligned substantially perpendicular to the power transmission arm.
- the actuating arm is preferably arranged at least partially in the handle and the power transmission arm is preferably at least partially outside the handle in the gun housing.
- the actuating arm extends from the upper end portion of the handle associated with the thumb and forefinger of the user to the lower end portion of the handle facing away from the upper end portion of the handle.
- the power transmission arm advantageously extends from the upper end portion of the handle toward the fluid outlet.
- the power transmission arm extends from the upper end region of the handle into a front housing region of the pistol housing.
- the power transmission arm is shorter in an advantageous embodiment of the invention than the actuating arm.
- the power transmission arm is at most half as long as the actuating arm.
- the power transmission arm may be pivotably mounted on the pistol housing about the first pivot axis, preferably on its end region facing away from the actuating arm.
- the power transmission arm is mounted pivotably on the valve about the first pivot axis, preferably on its end region facing away from the actuating arm.
- the valve has a valve housing with a valve inlet which communicates via a passage with a valve outlet in flow communication, wherein the valve seat and the closing body are arranged in the passage and the valve stem sealingly engages through a plunger channel of the valve housing and in the Passageway dips.
- the closing body may be arranged on the end of the valve tappet which dips into the through-passage, and with its end facing away from the closing body, the valve tappet may protrude out of the valve housing.
- the Kraftbeetzschungselement of the actuator may rest loosely on the protruding from the valve housing end of the valve stem.
- the liquid inlet is in a preferred embodiment of the invention via an inlet line to the valve inlet in flow communication. Via the inflow line, the pressurized cleaning liquid supplied to the liquid inlet can be led to the valve inlet.
- the inflow line is arranged in an advantageous embodiment of the invention in a protective bracket of the gun body.
- the handle has an upper end region assigned to the user's thumb and forefinger and a lower end region facing away from the upper end region.
- the guard adjoins the lower end portion of the handle and connects it to a front housing portion of the gun body on which the liquid outlet is located. Between the guard and the handle there is a handle opening into which the user can engage when grasping the handle with his fingers.
- the inflow line is arranged in the handle.
- Such a configuration is particularly advantageous when the liquid inlet is arranged at the lower end region of the handle.
- the inflow line can connect, wherein at least a portion of the inflow line extends within the handle.
- valve inlet is arranged in the upper end region of the handle and the inflow line extends over its entire length within the handle.
- the valve outlet is connected in an advantageous embodiment of the invention via a drain line to the liquid outlet.
- the drain line is integrally connected to the valve housing.
- the drain line is arranged outside the handle in the gun housing.
- the drain line may extend, for example, from the upper end portion of the handle to the front of the gun body.
- the valve gun comprises a return spring associated with the actuating body, which acts on the actuating body with a restoring force in the direction of the closed position.
- the user can move the actuating body against the restoring force exerted by the return spring from the rest position into the release position. If the user releases the actuating body, then this is moved by the return spring associated with the actuating body in the rest position.
- the locking member is arranged on the front of the handle facing the liquid outlet.
- the locking member is slidably mounted on the gun housing.
- the locking member may be mounted linearly displaceable.
- the locking member associated with the pivot axis is conveniently aligned parallel to the actuator body associated with the first pivot axis. It is particularly advantageous if the pivoting axis associated with the locking element is arranged in the upper end region of the handle or in a region of the pistol housing which is adjacent to the upper end region of the handle. If the user grasps the upper end region of the handle with his thumb and forefinger, he can simultaneously pivot the locking member from the blocking position into the unlocking position. This allows a particularly simple handling of the valve gun.
- the locking member comprises an operating arm and a locking arm, wherein the operating arm in the locking position of the locking member protrudes from the liquid outlet facing the front of the handle and the locking arm in the blocking position of the locking member blocks movement of the actuator.
- the locking arm may rest in the blocking position of the locking member, for example, with its free end on the actuator or occupy a small distance to the actuator so that it can not be significantly moved by the user. In the unlocking position of the locking member of the locking arm releases the actuator, so that it can be pivoted by the user from the rest position to the release position.
- the locking arm and the operating arm are conveniently aligned at an angle to each other.
- the locking member is L-shaped, wherein the operating arm forms a first leg and the Arretismesarm a second leg of the locking member.
- valve pistol has a locking member associated with the return spring, which acts on the locking member with a restoring force in the direction of the blocking position. If the user releases the locking member, this takes on account of the acting on him Restoring force automatically his blocking position and thus blocks movement of the actuator.
- Figure 1 is a schematic front view of a first advantageous embodiment of a valve gun
- Figure 3 is a sectional view corresponding to Figure 2 of a second advantageous
- Figure 4 a sectional view corresponding to Figure 2 of a third advantageous
- Embodiment of a valve gun Embodiment of a valve gun.
- FIGS. 1 and 2 a first advantageous embodiment of a valve gun according to the invention is shown schematically and overall designated by the reference numeral 10.
- the valve gun 10 comprises a gun housing 12, which is formed by a first half-shell 14 and a second half-shell 16.
- the gun housing 12 has an elongate housing portion 18, on whose front side 20 a liquid outlet 22 is arranged.
- the liquid outlet 22 is designed in the form of an outlet bushing 24 which carries an external thread 26.
- a spray lance can be connected to the outlet bushing 24.
- a protective bracket 34 connects, which extends from the lower end portion 32 of the handle 28 to the front side 20 of the elongated housing portion 18.
- the guard 34, the elongated housing portion 18 and the handle 28 surround a handle opening 36, in which the user can engage in gripping the handle 28 with his fingers.
- a valve 38 Adjacent to the front side 20, in the elongated housing region 18, a valve 38 is arranged which has a valve housing 40.
- the valve housing 40 has a valve inlet 42, which is connected via an extending inside the guard bracket 34 inflow line 44 with a protruding from the guard bracket 34 inlet bushing 46.
- the inlet bush 46 forms a liquid inlet 48 of the valve gun 10 and carries an external thread 50.
- a pressure hose can be connected to the inlet bushing 46, via which the valve gun 10 can be supplied with cleaning liquid which has been pressurized by a high-pressure cleaning device.
- valve inlet 42 is connected via a passage 52 with a valve outlet 54 of the valve housing 40 in flow communication.
- the valve outlet 54 is integrally connected to the outlet sleeve 24 protruding from the front side 20 of the gun housing 12.
- the passage 52 has a first channel portion 56 in which a valve seat 58 and a spherical closing body 60 of the valve 38 are arranged.
- the closing body 60 is pressed by a closing spring 62 with a closing force in the direction of the valve seat 58, so that it rests in a closed position on the valve seat 58 in a liquid-tight manner.
- a second channel section 64 of the through-channel 52 connects to the first channel section 56 at an angle of approximately 90 °.
- the second channel section 64 extends to the valve outlet 54.
- the valve housing 40 has a plunger channel 66 which is aligned with the first channel portion 56 and is penetrated by a valve stem 68.
- the valve stem 68 is surrounded within the plunger channel 66 by a known per se and therefore to achieve a better overview in the drawing, not shown sealing element and slidably in the plunger channel 66.
- the valve stem 68 dips into the passage 52.
- the closing body 60 is arranged on the end of the valve tappet 68 which dips into the passage 52. With its end facing away from the closing body 60, the valve tappet 68 projects out of the valve housing 40.
- the valve gun 10 For moving the valve tappet 68 and thus for opening and closing the valve 38, the valve gun 10 has an actuator 70 with a substantially L-shaped actuator body 72 and an adjustable on the actuator body 72 held Kraftbeetzungselement 74.
- the actuator body 72 has an actuating arm 76 and a rigidly connected thereto and immediately adjacent to this power transmission arm 78, which is aligned substantially perpendicular to the actuating arm 76.
- the actuator arm 76 is disposed in the handle 28, extending from the lower end portion 32 of the handle 28 to the upper end portion 30 of the handle 28.
- the power transmission arm 78 is disposed in the elongate housing portion 18 of the gun body 12 and extends from the upper end portion 30 of the handle 28 to a forward housing portion 80 of the gun body 12.
- the forward body portion 80 forms the front face 20 of the gun body 12.
- the actuating arm 76 has an actuating surface 82 which protrudes from the rear side 84 of the handle 28 facing away from the liquid outlet 22 and to which the user can apply his palm when he grasps the handle 28.
- the force transmission arm 78 can be pivoted about its end remote from the actuating arm 76 about a first pivot axis 88 on the valve housing 40 stored.
- the first pivot axis 88 is disposed adjacent to the valve lifter 68. The distance which the first pivot axis 88 assumes toward the end of the valve tappet 68 protruding from the valve housing 40 is smaller than the length of the valve tappet 68.
- the force-applying element 74 is held adjustable on the power transmission.
- the first pivot axis 88 is disposed between the liquid outlet 22 and the force applying element 74.
- the force-applying element 74 assumes a position between the first pivot axis 88 and the actuating arm 76.
- the actuating body 72 can counteract the restoring force of a return spring 90 assigned to the actuating body 72 from the rest position shown in FIG. 2 about the first
- Swivel axis 88 (clockwise in Figure 2) are pivoted into a release position, wherein the actuating arm 76 is immersed in the handle 28 and the valve stem 68 is moved due to the force applied by the force element 74 on it actuating force toward the first channel portion 56 of the passage channel 52.
- This has the consequence that the closing body 60 lifts against the restoring force of the closing spring 62 acting on it from the valve seat 58 and assumes an open position.
- the open position of the closing body 60 the flow connection between the valve inlet 42 and the valve outlet 54 is free, so that cleaning fluid can flow through the valve 38.
- the actuator 70 can be locked in its rest position shown in Figure 2.
- a substantially L-shaped locking member 92 is pivotally mounted about a second pivot axis 94 assigned to the locking member 92.
- a first leg of the locking member 92 forms an operating arm 96, which protrudes in the blocking position of the locking member 92 shown in Figure 2 from the liquid outlet 22 facing the front side 98 of the handle 28.
- a second leg of the locking member 92 forms a locking arm 100 which rests in the blocking position of the locking member 92 with its free end 102 on the actuating body 72 and prevents it from pivoting.
- FIGS. 3 and 4 schematically show a second and a third advantageous embodiment of a valve gun according to the invention. These embodiments are designed substantially identical to the first embodiment explained above with reference to FIGS. 1 and 2. For identical components, therefore, the same reference numerals are used in Figures 3 and 4 as in Figures 1 and 2, and to avoid repetition, reference is made to the above explanations with respect to these components.
- the actuator 70 of the valve gun 120 has an actuator body 125 with an actuator arm 127 and a power transmission arm 126, wherein the Power transmission 126 is integrally connected to a Kraftbeetzyerungselement 128.
- valve gun 120 the user can operate the actuator 70 with his palm, the Kraftbeaufschlagungselement 128 loosely on the valve stem 68 and the valve stem 68 can be moved by pivoting the actuator 70 about the first pivot axis 88 to open the valve 38th
- the third embodiment of a valve gun according to the invention shown schematically in FIG. 4 is designated overall by the reference numeral 140. It differs from the valve gun 10 shown in FIGS. 1 and 2 in that it has a liquid inlet 142 arranged at the lower end region 32 of the handle 28. Via an inflow line 144, the liquid inlet 142 is in fluid communication with a valve inlet 146 of a valve housing 148 which is located in the upper end region 30 of the handle 28 and at its valve outlet 150 is followed by a drain line 152, via which the valve outlet 150 with a liquid outlet 154 of the valve gun 140 is in fluid communication. In accordance with the liquid outlet 22 of the valve gun 10, the liquid outlet 154 of the valve gun 140 is also disposed on the front side 20 of the gun housing 12. The drain line 152 is integrally connected to the valve housing 148 in the illustrated embodiment.
- the drain line could also be designed as a separate component, which is liquid-tightly connected to the valve housing 148.
- the outlet bushing can be connected as a separate component.
- the actuator 70 of the valve gun 140 has an actuator body 158 and a force application member 160 fixed to the actuator body 158.
- the actuator body 158 is L-shaped and has an actuator arm 162 and a power transmission arm 164.
- the actuating arm 162 has an on the back 84 of the handle 28 forth protruding actuating surface 166 and is rigidly and integrally connected to the power transmission arm 164.
- the actuating arm 162 extends from the lower end portion 32 of the handle 28 to the upper end portion 30 of the handle 28.
- the power transmission arm 164 connects in the upper end portion 30 of the actuating arm 162, although it is designed significantly shorter than the actuating arm 162. With his the actuating arm 162 facing away from the free end of the power transmission arm 164 about a first pivot axis 168 is pivotally mounted on the valve housing 148.
- the handle 28 of the valve gun 140 can be grasped by the user by hand, where he can put his palm on the actuating surface 166 of the actuator body 158 to pivot it from the rest position shown in Figure 4 about the first pivot axis 168 in a release position.
- an actuating force is exerted on the valve tappet 68 of the valve pistol 140 by the force application element 160 so that the valve tappet 68 is displaced and the closing body 60 of the valve pistol 140 is moved from its closed position into its open position, as already described with reference to FIGS Valve gun 10 was explained in detail.
- valve pistols 10, 120 and 140 are characterized by a simple structural design and can be operated by the user in a simple manner and virtually fatigue-free.
Landscapes
- Mechanically-Actuated Valves (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2016/060895 WO2017194169A1 (en) | 2016-05-13 | 2016-05-13 | Valve pistol for a high-pressure cleaning device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3454992A1 true EP3454992A1 (en) | 2019-03-20 |
EP3454992B1 EP3454992B1 (en) | 2021-07-07 |
Family
ID=55971006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16722888.1A Active EP3454992B1 (en) | 2016-05-13 | 2016-05-13 | Valve pistol for a high-pressure cleaning device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3454992B1 (en) |
CN (1) | CN109070107B (en) |
DK (1) | DK3454992T3 (en) |
WO (1) | WO2017194169A1 (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB513013A (en) | 1938-03-29 | 1939-10-02 | Basil Marven | Improvements in or relating to hand-controlled nozzles for the delivery of fluids or powdered material |
DE3431800A1 (en) | 1984-08-30 | 1986-03-13 | Wolfgang 4800 Bielefeld Suttner | Spray gun |
DE10159680C1 (en) | 2001-11-30 | 2003-05-08 | Kaercher Gmbh & Co Alfred | Closing device, for liquid delivery line of high pressure cleaning device, comprises piston arranged upstream of valve seat and exiting the delivery line in sealed manner to interact with hand lever to support its opening movement |
ITRE20020039U1 (en) | 2002-12-19 | 2004-06-20 | Arrow Line Srl | OPERATING MECHANISM OF AN INTERCEPTION VALVE FOR WASHING GUNS OF HIGH PRESSURE CLEANING EQUIPMENT |
US20090224073A1 (en) * | 2008-03-04 | 2009-09-10 | Pai-Chou Hsieh | Multi-purpose sprayer gun |
EP2922637B1 (en) * | 2012-11-21 | 2017-10-04 | Alfred Kärcher GmbH & Co. KG | High-pressure spray gun |
US20150028134A1 (en) * | 2013-07-23 | 2015-01-29 | Ruey Ryh Enterprise Co., Ltd. | Gardening Gun Structure |
CN103406224B (en) * | 2013-08-01 | 2015-10-21 | 宁波大叶园林科技有限公司 | A kind of hydraulic giant of antifreeze far-end sealing |
DK3079833T3 (en) * | 2013-12-12 | 2018-12-17 | Kaercher Alfred Se & Co Kg | Valve gun for a high pressure cleaner |
-
2016
- 2016-05-13 WO PCT/EP2016/060895 patent/WO2017194169A1/en unknown
- 2016-05-13 CN CN201680084621.XA patent/CN109070107B/en active Active
- 2016-05-13 DK DK16722888.1T patent/DK3454992T3/en active
- 2016-05-13 EP EP16722888.1A patent/EP3454992B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN109070107A (en) | 2018-12-21 |
DK3454992T3 (en) | 2021-09-20 |
EP3454992B1 (en) | 2021-07-07 |
WO2017194169A9 (en) | 2018-01-04 |
CN109070107B (en) | 2021-05-11 |
WO2017194169A1 (en) | 2017-11-16 |
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Legal Events
Date | Code | Title | Description |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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