CN111232421A - Multi-nozzle multifunctional liquid spray bottle - Google Patents
Multi-nozzle multifunctional liquid spray bottle Download PDFInfo
- Publication number
- CN111232421A CN111232421A CN202010140623.4A CN202010140623A CN111232421A CN 111232421 A CN111232421 A CN 111232421A CN 202010140623 A CN202010140623 A CN 202010140623A CN 111232421 A CN111232421 A CN 111232421A
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- China
- Prior art keywords
- liquid
- pipe
- baffle
- cavity
- liquid hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
Abstract
The invention discloses a multi-nozzle multifunctional liquid spray bottle, which comprises a liquid storage bottle, wherein a liquid storage cavity is arranged in the liquid storage bottle, a bottle cap which can be opened in a rotating mode and is provided with air holes is arranged at the top of the liquid storage bottle, a liquid suction pipe penetrating through the bottle cap is fixedly arranged in the middle of the bottle cap, a front liquid spray mechanism capable of pressing liquid spray for a long time is arranged on the left side of the top of the liquid suction pipe, a rear liquid spray mechanism capable of pressing liquid spray and automatically returning liquid spray in a short time is arranged on the right side of the top of the liquid suction pipe, conventional manual pressing is replaced by repulsion force between an electromagnet and a permanent magnet, and much; the function of filling liquid is driven by the automatic recovery of the spring, waiting time is not needed, and the use is more convenient; and the requirements of a large amount of liquid spraying and a small amount of liquid spraying can be met simultaneously by combining various liquid spraying modes.
Description
Technical Field
The invention relates to the technical field of spraying or atomizing devices, in particular to a multi-nozzle multifunctional liquid spray bottle.
Background
The liquid spray bottle is a device capable of spraying liquid stored in the bottle through a nozzle arranged on the bottle, and has a plurality of places used in life, such as a plurality of external liquid medicine bottles, a cleaning liquid bottle for cleaning objects such as screens and the like, a water spray bottle for watering flowers and the like, which are all liquid spray bottles.
Disclosure of Invention
The invention aims to provide a multi-nozzle multifunctional liquid spray bottle which is used for overcoming the defects in the prior art.
The multi-nozzle multifunctional liquid spray bottle comprises a liquid storage bottle, a liquid storage cavity is arranged in the liquid storage bottle, a bottle cap which can be opened in a rotating mode and is provided with air holes is arranged at the top of the liquid storage bottle, a liquid suction pipe penetrating through the bottle cap is fixedly arranged in the middle of the bottle cap, a front liquid spray mechanism capable of pressing liquid spray for a long time is arranged on the left side of the top of the liquid suction pipe, a rear liquid spray mechanism capable of pressing liquid spray and automatically returning liquid spray in a short time is arranged on the right side of the top of the liquid suction pipe,
the rear liquid spraying mechanism comprises a rear branch pipe fixedly connected to the rear side of the top of the liquid suction pipe, the right side of the top of the rear branch pipe is connected with an extrusion pipe, a rear tube cavity is arranged in the rear branch tube, a first baffle fixedly arranged on the inner wall of the rear branch tube is arranged at the top of the rear tube cavity, a first liquid hole penetrating through the first baffle is arranged in the right center of the top wall of the rear tube cavity, a first connecting rod with the diameter far smaller than the aperture of the first liquid hole penetrates through the first liquid hole, the bottom of the first connecting rod is fixedly provided with a first stop lever with the length larger than the aperture of the first liquid hole, the top of the first connecting rod is fixedly provided with a first circular plate with the diameter larger than the aperture of the first liquid hole, the upside of first baffle be equipped with the extrusion chamber of first liquid hole intercommunication, the right side in extrusion chamber is equipped with and is located the extrusion mechanism that is used for extrudeing liquid in the extrusion pipe, the left side in extrusion chamber is equipped with and is used for the hydrojet mechanism with liquid acceleration.
On the basis of the technical scheme, the extrusion mechanism is including being located extrusion chamber right side and with the spring chamber of extrusion chamber intercommunication, the left end in spring chamber is equipped with the spacing ring admittedly, the right-hand member in spring chamber is equipped with removable first battery, the left end of first battery be equipped with fixed connection in the electro-magnet of spring chamber inner wall, the left end fixedly connected with spring of electro-magnet, the left end fixedly connected with sliding connection in the permanent magnet of spring chamber inner wall, the left end fixedly connected with sliding connection in the waterproof pad of spring chamber inner wall.
On the basis of the technical scheme, hydrojet mechanism including being located the left end in extrusion chamber and with the inner wall fixed connection's of extrusion pipe second baffle, the positive center of second baffle is equipped with and runs through the second liquid hole of second baffle, it has the diameter to be far less than to run through in the second liquid hole the second connecting rod in second liquid hole aperture, the left end of second connecting rod is equipped with the diameter admittedly and is greater than the second plectane in second liquid hole, the right-hand member of second connecting rod has set firmly length and is greater than the second pin in second liquid hole aperture, the left end of extrusion pipe is connected with first awl mouth, be equipped with in the first awl mouth with the first cone chamber of second liquid hole intercommunication, the left side in first cone chamber be equipped with set firmly in the first spout of first awl mouth left end, be equipped with a lot of apertures in the first spout.
On the basis of the technical scheme, the front liquid spraying mechanism comprises a front branch pipe fixedly connected to the front side of the top of the liquid suction pipe, a replaceable second battery is arranged on the right side of the top of the front branch pipe, a front pipe cavity is arranged inside the front branch pipe, a hydraulic pump is fixedly arranged on the inner wall of the front pipe cavity, a third baffle fixedly connected with the inner wall of the front branch pipe is arranged at the top of the front pipe cavity, a third liquid hole penetrating through the third baffle is formed in the center of the third baffle, a third connecting rod with the diameter far smaller than the aperture of the third liquid hole penetrates through the third liquid hole, a third circular plate with the diameter far larger than that of the third liquid hole is arranged at the top end of the third connecting rod, a third stop rod with the length larger than the aperture of the third liquid hole is fixedly arranged at the bottom end of the third connecting rod, a second taper opening is fixedly arranged on the left side of the top of the front branch pipe, and a second hammer cavity is arranged on the upper, the left side of the second conical cavity is provided with a second nozzle fixedly arranged at the left end of the second conical opening, and a plurality of small holes are formed in the second nozzle.
On the basis of the technical scheme, the electromagnet is powered by the first battery, an electromagnetic button is arranged on the left side of the rear branch pipe and can control the switch of the first battery, the hydraulic pump is powered by the second battery, a hydraulic button is arranged on the left side of the front branch pipe and can control the switch of the second battery.
The invention has the beneficial effects that: the repulsion force between the electromagnet and the permanent magnet replaces conventional manual pressing, and compared with manual repeated pressing and repeated liquid spraying, the manual repeated pressing and repeated liquid spraying can save much labor by only using a switch for control; through the automatic recovery of the spring and the function of driving the liquid filling, compared with the multiple short-time liquid spraying, the automatic liquid spraying device does not need waiting time and is more convenient and fast to use; the conventional pressing liquid spraying is obviously not suitable for large-amount liquid spraying, and the invention combines a plurality of liquid spraying modes to simultaneously meet the requirements of large-amount liquid spraying and small-amount liquid spraying.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a multi-nozzle multifunctional liquid spray bottle of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a schematic view of the present invention taken along the line B-B of FIG. 1;
fig. 4 is a schematic view of the structure of fig. 3 in the direction of C-C according to the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 4, the multi-nozzle multifunctional liquid spray bottle according to the embodiment of the invention comprises a liquid storage bottle 20, a liquid storage cavity 21 is arranged inside the liquid storage bottle 20, a bottle cap 23 which can be opened by rotation and has air holes is arranged on the top of the liquid storage bottle 20, a liquid suction pipe 22 which penetrates through the bottle cap 23 is fixedly arranged in the middle of the bottle cap 23, a front liquid spray mechanism 801 which can press liquid spray for a long time is arranged on the left side of the top of the liquid suction pipe 22, a rear liquid spray mechanism 802 which can press liquid spray and automatically return liquid spray in a short time is arranged on the right side of the top of the liquid suction pipe 22,
the rear liquid spraying mechanism 802 comprises a rear branch pipe 30 fixedly connected to the rear side of the top of the liquid suction pipe 22, an extruding pipe 34 is connected to the right side of the top of the rear branch pipe 30, a rear pipe cavity 59 is arranged in the rear branch pipe 30, a first baffle 32 fixedly arranged on the inner wall of the rear branch pipe 30 is arranged at the top of the rear pipe cavity 59, a first liquid hole 27 penetrating through the first baffle 32 is arranged at the center of the top wall of the rear pipe cavity 59, a first connecting rod 28 with the diameter far smaller than that of the first liquid hole 27 penetrates through the first liquid hole 27, a first stop rod 31 with the length larger than that of the first liquid hole 27 is fixedly arranged at the bottom of the first connecting rod 28, a first circular plate 33 with the diameter larger than that of the first liquid hole 27 is fixedly arranged at the top of the first connecting rod 28, an extruding cavity 37 communicated with the first liquid hole 27 is arranged at the upper side of the first baffle 32, and an extruding mechanism 803 for extruding liquid in the extruding pipe 34 is arranged at the right side of the extruding cavity 37, the left side of the pressing chamber 37 is provided with a liquid ejecting mechanism 804 for accelerating the liquid.
In addition, in one embodiment, the pressing mechanism 803 includes a spring cavity 40 located at the right side of the pressing cavity 37 and communicated with the pressing cavity 37, a limit ring 38 is fixedly disposed at the left end of the spring cavity 40, a replaceable first battery 44 is disposed at the right end of the spring cavity 40, an electromagnet 43 fixedly connected to the inner wall of the spring cavity 40 is disposed at the left end of the first battery 44, a spring 41 is fixedly connected to the left end of the electromagnet 43, a permanent magnet 42 slidably connected to the inner wall of the spring cavity 40 is fixedly connected to the left end of the spring 41, a waterproof pad 39 slidably connected to the inner wall of the spring cavity 40 is fixedly connected to the left end of the permanent magnet 42, when the electromagnet 43 is energized, the repulsive force between the electromagnet 43 and the permanent magnet 42 is greater than the tensile force of the spring 41 and causes the permanent magnet 42 and the waterproof pad 39 to move leftward to press the liquid in the pressing cavity 37 and the spring cavity 40, when the electromagnet 43 is de-energized, the permanent magnet 42 and the waterproof pad 39 move rightward under the tension of the spring 41.
In addition, in one embodiment, the liquid spraying mechanism 804 includes a second baffle 36 located at the left end of the extruding cavity 37 and fixedly connected to the inner wall of the extruding pipe 34, a second liquid hole 35 penetrating through the second baffle 36 is disposed at the center of the second baffle 36, a second connecting rod 62 having a diameter much smaller than the aperture of the second liquid hole 35 penetrates through the second liquid hole 35, a second circular plate 61 having a diameter larger than the second liquid hole 35 is fixedly disposed at the left end of the second connecting rod 62, a second baffle 60 having a length longer than the aperture of the second liquid hole 35 is fixedly disposed at the right end of the second connecting rod 62, a first conical opening 25 is connected to the left end of the extruding pipe 34, a first conical cavity 26 communicated with the second liquid hole 35 is disposed in the first conical opening 25, a first nozzle 24 fixedly disposed at the left end of the first conical opening 25 is disposed at the left side of the first conical opening 26, a plurality of small holes are disposed in the first nozzle 24, after the liquid is squeezed into the first conical cavity 26 from the squeezing cavity 37, the liquid flow rate increases because the liquid flow rate in the same pipe is the same and the diameter of the first conical opening 25 gradually decreases, and when the liquid passes through the small hole in the first nozzle opening 24, the liquid flow rate is accelerated to be very large because the aperture of the small hole is small, and the liquid finally becomes mist when being sprayed out from the first nozzle opening 24.
In addition, in one embodiment, the front liquid spraying mechanism 801 includes a front branched pipe 45 fixedly connected to the front side of the top of the liquid suction pipe 22, a replaceable second battery 52 is arranged on the right side of the top of the front branched pipe 45, a front pipe cavity 58 is arranged inside the front branched pipe 45, a hydraulic pump 47 is fixedly arranged on the inner wall of the front pipe cavity 58, a third baffle 50 fixedly connected with the inner wall of the front branched pipe 45 is arranged on the top of the front pipe cavity 58, a third liquid hole 54 penetrating through the third baffle 50 is arranged in the center of the third baffle 50, a third connecting rod 53 having a diameter far smaller than the diameter of the third liquid hole 54 penetrates through the third liquid hole 54, a third circular plate 51 having a diameter far larger than that of the third liquid hole 54 is arranged at the top end of the third connecting rod 53, a third baffle 49 having a length larger than that of the third liquid hole 54 is fixedly arranged at the bottom end of the third connecting rod 53, a second taper 56 is fixedly arranged on the left side of the top of the front branched pipe 45, the upper side of the third baffle 50 is provided with a second hammer cavity 55, the left side of the second cone cavity 55 is provided with a second nozzle 57 fixedly arranged at the left end of the second nozzle 56, a plurality of small holes are arranged in the second nozzle 57, when liquid is pressed into the second cone cavity 55 from the front tube cavity 58 by the hydraulic pump 47, the liquid flow rate in the same pipeline is the same, and the diameter of the second nozzle 56 is gradually reduced, so that the liquid flow rate is increased, when the liquid passes through the small holes in the second nozzle 57, the liquid flow rate is accelerated to be very large due to the small hole diameter, and the liquid is finally atomized when being sprayed out from the second nozzle 57.
In addition, in one embodiment, the electromagnet 43 is powered by the first battery 44, the left side of the rear branch pipe 30 is provided with an electromagnetic button 48, the electromagnetic button 48 can control the on/off of the first battery 44, the hydraulic pump 47 is powered by the second battery 52, the left side of the front branch pipe 45 is provided with a hydraulic button 29, and the hydraulic button 29 can control the on/off of the second battery 52.
In the initial state, the spring 41 is not stressed.
When short-time liquid spraying is needed, the electromagnetic button 48 is pressed for a long time, the electromagnet 43 is electrified, the repulsive force between the electromagnet 43 and the permanent magnet 42 is larger than the pulling force of the spring 41, the permanent magnet 42 and the waterproof pad 39 move leftwards to press the air in the extrusion cavity 37 and the spring cavity 40, at this time, the first circular plate 33 is pressed and abutted with the first baffle 32, the first liquid hole 27 is not communicated, the second circular plate 61 is pressed and moved leftwards until the second baffle 60 is abutted with the left wall of the extrusion cavity 37, the second liquid hole 35 is opened, and therefore the air passes through the second liquid hole 35, the first conical cavity 26 and is extruded from the first nozzle 24,
when the waterproof pad 39 is abutted with the limiting ring 38, the electromagnetic button 48 is released, the electromagnet 43 is powered off, the permanent magnet 42 and the waterproof pad 39 move rightwards under the tension of the spring 41, similarly, under the action of pressure, the second liquid hole 35 is not communicated, the first liquid hole 27 is opened, the liquid in the liquid storage bottle 20 is pressed into the liquid suction pipe 22 by atmospheric pressure and enters the squeezing cavity 37 through the first liquid hole 27, the steps can be repeated until the squeezing cavity 37 is filled with the liquid,
at the moment, the electromagnetic button 48 is pressed for a long time, atomized liquid can be sprayed out of the first nozzle 24, when the waterproof pad 39 is abutted against the limiting ring 38, no liquid is sprayed out, at the moment, the electromagnetic button 48 is loosened, under the action of the elastic force of the spring 41 and the atmospheric pressure, the liquid in the extrusion cavity 37 is filled in the resetting process of the spring 41 at the same time, so that the liquid can be sprayed out again only by pressing the electromagnetic button 48 for a long time after the spring 41 is reset, and the electromagnetic button 48 can be loosened at any time when liquid spraying is not needed,
although the liquid reservoir in the squeezing chamber 37 is not small but is limited, the solenoid 48 is suitable for spraying liquid in small quantities and many times, and does not need to wait for filling, because the squeezing chamber 37 is filled again under the action of the elastic force of the spring 41 and the atmospheric pressure when the spraying liquid stops.
If a large amount of liquid needs to be sprayed for a long time, the electromagnetic button 48 is pressed before, and the rear branched pipe 30 is communicated with the front branched pipe 45, so that the front branched pipe 45 is filled with liquid, the hydraulic button 29 is pressed, the hydraulic pump 47 is started, the liquid in the liquid storage cavity 21 is continuously sprayed out from the second nozzle 57 through the liquid suction pipe 22, the front pipe cavity 58, the third liquid hole 54 and the second conical cavity 55, and when spraying is finished, the hydraulic button 29 is pressed again, and the hydraulic pump 47 is closed.
If the liquid in the liquid storage bottle 20 is consumed, the bottle cap 23 is unscrewed, and the bottle cap is screwed back after the liquid is added again.
The invention has the beneficial effects that: the repulsion force between the electromagnet and the permanent magnet replaces conventional manual pressing, and compared with manual repeated pressing and repeated liquid spraying, the manual repeated pressing and repeated liquid spraying can save much labor by only using a switch for control; through the automatic recovery of the spring and the function of driving the liquid filling, compared with the multiple short-time liquid spraying, the automatic liquid spraying device does not need waiting time and is more convenient and fast to use; the conventional pressing liquid spraying is obviously not suitable for large-amount liquid spraying, and the invention combines a plurality of liquid spraying modes to simultaneously meet the requirements of large-amount liquid spraying and small-amount liquid spraying.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a multi-functional hydrojet bottle of many spouts, includes the stock solution bottle, its characterized in that:
a liquid storage cavity is arranged in the liquid storage bottle, a bottle cap which can be opened in a rotating way and is provided with air holes is arranged at the top of the liquid storage bottle, a liquid suction pipe which penetrates through the bottle cap is fixedly arranged in the middle of the bottle cap, a front liquid spraying mechanism which can press liquid spraying for a long time is arranged at the left side of the top of the liquid suction pipe, a rear liquid spraying mechanism which can press liquid spraying and automatically return liquid in a short time is arranged at the right side of the top of the liquid suction pipe,
the rear liquid spraying mechanism comprises a rear branch pipe fixedly connected to the rear side of the top of the liquid suction pipe, the right side of the top of the rear branch pipe is connected with an extrusion pipe, a rear tube cavity is arranged in the rear branch tube, a first baffle fixedly arranged on the inner wall of the rear branch tube is arranged at the top of the rear tube cavity, a first liquid hole penetrating through the first baffle is arranged in the right center of the top wall of the rear tube cavity, a first connecting rod with the diameter far smaller than the aperture of the first liquid hole penetrates through the first liquid hole, the bottom of the first connecting rod is fixedly provided with a first stop lever with the length larger than the aperture of the first liquid hole, the top of the first connecting rod is fixedly provided with a first circular plate with the diameter larger than the aperture of the first liquid hole, the upside of first baffle be equipped with the extrusion chamber of first liquid hole intercommunication, the right side in extrusion chamber is equipped with and is located the extrusion mechanism that is used for extrudeing liquid in the extrusion pipe, the left side in extrusion chamber is equipped with and is used for the hydrojet mechanism with liquid acceleration.
2. The multi-spout multifunctional liquid spray bottle according to claim 1, wherein: extrusion mechanism including being located extrusion chamber right side and with the spring chamber of extrusion chamber intercommunication, the left end in spring chamber is equipped with the spacing ring admittedly, the right-hand member in spring chamber is equipped with removable first battery, the left end of first battery be equipped with fixed connection in the electro-magnet of spring intracavity wall, the left end fixedly connected with spring of electro-magnet, the left end fixedly connected with sliding connection in the permanent magnet of spring intracavity wall, the left end fixedly connected with sliding connection in the waterproof pad of spring intracavity wall.
3. The multi-spout multifunctional liquid spray bottle according to claim 1, wherein: hydrojet mechanism including being located the left end in extrusion chamber and with the inner wall fixed connection's of extrusion pipe second baffle, the positive center of second baffle is equipped with and runs through the second liquid hole of second baffle, it has the diameter to be far less than to run through in the second liquid hole the second connecting rod in second liquid hole aperture, the left end of second connecting rod is equipped with the diameter admittedly and is greater than the second plectane in second liquid hole, the right-hand member of second connecting rod has set firmly length and is greater than the second pin in second liquid hole aperture, the left end of extrusion pipe is connected with first taper mouth, be equipped with in the first taper mouth with the first taper chamber of second liquid hole intercommunication, the left side in first taper chamber be equipped with set firmly in the first spout of first taper mouth left end, be equipped with a lot of apertures in the first spout.
4. The multi-spout multifunctional liquid spray bottle according to claim 1, wherein: the front liquid spraying mechanism comprises a front branched pipe fixedly connected to the front side of the top of the liquid suction pipe, a replaceable second battery is arranged on the right side of the top of the front branched pipe, a front pipe cavity is arranged inside the front branched pipe, a hydraulic pump is fixedly arranged on the inner wall of the front pipe cavity, a third baffle fixedly connected with the inner wall of the front branched pipe is arranged at the top of the front pipe cavity, a third liquid hole penetrating through the third baffle is arranged in the center of the third baffle, a third connecting rod with the diameter far smaller than the aperture of the third liquid hole penetrates through the third liquid hole, a third circular plate with the diameter far larger than that of the third liquid hole is arranged at the top end of the third connecting rod, a third stop rod with the length larger than the aperture of the third liquid hole is fixedly arranged at the bottom end of the third connecting rod, a second cone opening is fixedly arranged on the left side of the top of the front branched pipe, a second hammer cavity is arranged on the upper side of the third baffle, and a second nozzle fixedly arranged at the left end of the second cone, and a plurality of small holes are formed in the second nozzle.
5. The multi-spout multifunctional liquid spray bottle of claim 2, wherein: the electro-magnet by first battery provides electric power, the left side of dividing the pipe after is equipped with the electromagnetic button, the electromagnetic button can control the switch of first battery, the hydraulic pump by the second battery provides electric power, the left side of dividing the pipe before is equipped with hydraulic button, hydraulic button can control the switch of second battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010140623.4A CN111232421A (en) | 2020-03-03 | 2020-03-03 | Multi-nozzle multifunctional liquid spray bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010140623.4A CN111232421A (en) | 2020-03-03 | 2020-03-03 | Multi-nozzle multifunctional liquid spray bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111232421A true CN111232421A (en) | 2020-06-05 |
Family
ID=70871711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010140623.4A Withdrawn CN111232421A (en) | 2020-03-03 | 2020-03-03 | Multi-nozzle multifunctional liquid spray bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111232421A (en) |
-
2020
- 2020-03-03 CN CN202010140623.4A patent/CN111232421A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200605 |
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| WW01 | Invention patent application withdrawn after publication |