CN112402849A - Nozzle, foaming device with nozzle and foaming method - Google Patents
Nozzle, foaming device with nozzle and foaming method Download PDFInfo
- Publication number
- CN112402849A CN112402849A CN202010716567.4A CN202010716567A CN112402849A CN 112402849 A CN112402849 A CN 112402849A CN 202010716567 A CN202010716567 A CN 202010716567A CN 112402849 A CN112402849 A CN 112402849A
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- Prior art keywords
- opening
- valve body
- bottle
- nozzle
- surfactant
- Prior art date
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Links
- 238000005187 foaming Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000004094 surface-active agent Substances 0.000 claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 239000006260 foam Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 4
- 239000010409 thin film Substances 0.000 abstract description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 24
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 16
- 239000010408 film Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 230000005587 bubbling Effects 0.000 description 4
- 239000000499 gel Substances 0.000 description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 229920004449 Halon® Polymers 0.000 description 1
- 241001478428 Syngnathus Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/02—Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals
- A62C13/04—Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals with separate acid container
- A62C13/08—Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals with separate acid container with acid container with closure device
- A62C13/12—Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals with separate acid container with acid container with closure device with valve closure device
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/02—Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals
- A62C13/20—Portable extinguishers which are permanently pressurised or pressurised immediately before use with pressure gas produced by chemicals with the chemicals in a single case, e.g. in a cartridge
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/004—Making of fire-extinguishing materials immediately before use for producing carbon-dioxide snow, carbon-dioxide ice, carbon-dioxide gas, carbon-dioxide liquid, or mixtures thereof
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Chemical & Material Sciences (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Abstract
The application provides a spray head, which comprises a press handle switch; a valve body connected with the pressure handle switch and provided with a first opening, a second opening and a third opening, wherein the second opening and the third opening are opposite openings; the sliding plug is arranged at the second opening of the valve body and is contacted with the pressure handle switch; and a housing member joined to the third opening of the valve body and having a housing with an opening facing downward and covered with a thin film, a housing space formed inside the housing and capable of housing a surfactant. The application further provides a foaming device with the spray head and a foaming method.
Description
Technical Field
The present application relates to a nozzle, and more particularly, to a nozzle capable of receiving a surfactant, and a foaming device and a foaming method having the nozzle for extinguishing a fire.
Background
Conventional fire extinguishers require inspection every three months or half a year during the period of validity to ensure proper use during a fire. If the abnormal condition is found through inspection, the abnormal condition needs to be returned to the original factory or a qualified place for maintenance.
In addition, conventional portable fire extinguishers (e.g., the Syngnathus "HALON" fire extinguishers) generate toxic gases such as hydrogen fluoride and hydrogen bromide during fire extinguishment, which may cause environmental pollution and even discomfort to the head, eyes or skin of a person.
Therefore, the present application provides a nozzle capable of containing a surfactant, and a foaming device and a foaming method using the nozzle, which are suitable for most of bottled beverage containers on the market, and solves the above problems.
Disclosure of Invention
The application provides a spray head, which comprises a press handle switch; the valve body is connected with the pressure handle switch and is provided with a first opening, a second opening and a third opening, and the second opening and the third opening are opposite openings; a spraying element connected to the first opening of the valve body; the sliding plug is arranged at the second opening of the valve body and is in contact with the press handle switch; and a housing member joined to the third opening of the valve body and having a housing, the opening of the housing facing the outside of the valve body and covered with a film, a housing space formed inside the housing, and the housing space being capable of housing a surfactant.
According to the above idea, it further comprises a fool-proof element disposed on the push-handle switch.
Preferably, the thin film is a hermetic thin film.
In another aspect, the present application provides a bubbling device comprising the foregoing showerhead; and a bottle body, which can contain carbonic acid solution and has a bottle mouth for combining with the nozzle to form a device capable of foaming.
According to the above concept, it further comprises a sealing element disposed between the nozzle and the bottle.
According to the above idea, it is a device applied to extinguishing fires.
In yet another aspect, the present application provides a method of frothing in the foregoing frothing device, comprising the steps of: (a) pressing or pulling the press handle switch; (b) the handle pressing switch drives the sliding plug to pass through the opening of the accommodating component and damage the film, so that the surfactant is pushed into the bottle body; and (c) shaking the bottle body to react the surfactant with the carbonic acid solution to generate pressure and foam.
Preferably, after the step (c), the method further comprises the following steps: (d) the trigger is released and pressure causes the foam to be ejected along the ejection element.
According to the above idea, it is a method applied to extinguishing fires.
The application also provides a spray head, which comprises a press handle switch, a pressure switch and a spray head, wherein the press handle switch is provided with a holding part, and the holding part is provided with a flow channel; the valve body is connected to one end of the holding part and is provided with a first opening, a second opening, a third opening and a fourth opening, and the second opening and the third opening are opposite openings; the spraying element is connected to the other end of the holding part and communicated with the first opening of the valve body through the flow passage of the holding part; the regulating element is arranged at the second opening of the valve body; the sliding plug is connected with the regulating element and is positioned on the inner side of the valve body; and a housing member joined to the third opening of the valve body and having a housing, the opening of the housing facing the inside of the valve body and covering the membrane, a housing space formed inside the housing and accommodating a surfactant.
According to the above idea, it further comprises a fool-proof element disposed on the push-handle switch.
According to the above idea, the thin film is a hermetic thin film.
According to the above idea, the control element further comprises an on mode and an off mode.
In another aspect, the present application provides a bubbling device comprising the foregoing showerhead; and a bottle body for containing carbonic acid solution and having a bottle mouth for combining with the nozzle to form a device capable of foaming.
Preferably, the sealing element is disposed between the fourth opening of the valve body and the bottle opening.
According to the above idea, it is a device applied to extinguishing fires.
In yet another aspect, the present application provides a method of frothing in the foregoing frothing device, comprising the steps of: (a) adjusting the regulating element to an open mode; and (b) shaking the bottle body to enable the carbonic acid solution to pass through the containing member, and react after contacting with the surfactant to generate pressure and foam.
Preferably, after the step (b), the method further comprises the following steps: (c) the pressing handle switch is pressed or pulled, and the foam is sprayed out along the spraying element by the pressure.
According to the above idea, it is a method applied to extinguishing fires.
Drawings
Fig. 1 is a schematic view of an embodiment of a showerhead of the present application.
Fig. 2 is a schematic view of an embodiment of the accommodating member of the present application.
Fig. 3 is a schematic view of an embodiment of the foaming device of the present application.
Fig. 4 is a schematic view of another embodiment of the frothing device of the present application.
Fig. 5 is a schematic view of yet another embodiment of the frothing device of the present application.
Detailed Description
The present application can be implemented in various forms, and the contents described in the following embodiments and drawings show embodiments of the present application. Those skilled in the art can implement the present application in other ways not shown, and the scope of the present application is subject to the claims.
Fig. 1 is a schematic view of an embodiment of the head of the present application, and the head 1 includes a push switch 11, a valve body 12, a discharge element 13, a sliding plug 14, and a housing member 15. Wherein, the press handle switch 11 has an upper handle 111 and a lower handle 112; the valve body 12 has a first opening, a second opening and a third opening (not shown), and the second opening and the third opening are opposite openings.
In some embodiments, the valve body 12 of the spray head 1 is connected to the toggle 11, the ejection element 13 is connected to a first opening of the valve body 12, the sliding plug 14 is disposed at a second opening of the valve body 12 and can slide in the valve body and the second opening, and the receiving member 15 is engaged with a third opening of the valve body 12. Wherein, the connection mode includes but is not limited to screw joint or joggle, and the connection mode includes but is not limited to screw joint or inlay; the ejection element 13 includes, but is not limited to, a nozzle.
In other embodiments, the nozzle 1 further comprises a fool-proof element (not shown) disposed on the pressing handle switch 11. The foolproof element, including but not limited to a seal, a strap, a latch, or a safety tab, may be disposed at the position of the upper handle 111, the position of the lower handle 112, between the upper handle 111 and the lower handle 112, or may cover the upper handle 111 and the lower handle 112.
In other embodiments, the sliding plug 14 contacts the push-handle switch 11, and the push-handle switch 11 can drive the sliding plug 14 to slide in the second opening, for example: when the upper handle 111 is a supporting member and the lower handle 112 is a trigger member, the lower handle 112 can drive the sliding plug 14 to slide; when the lower handle 112 is a supporting member and the upper handle 111 is a trigger member, the upper handle 111 can drive the sliding plug 14 to slide.
Fig. 2 is a schematic view of an embodiment of the accommodating member of the present application, and the accommodating member 15 includes a housing 151, a film 152, and an accommodating space 153. The opening of the housing 151 faces the outside of the valve body, the film 152 covers the opening of the housing 151, and the accommodating space 153 is formed inside the housing 151.
In one embodiment, the thin film 152 includes, but is not limited to, a hermetic thin film.
In some embodiments, the accommodating space 153 may accommodate a surfactant 154, such as: any type of foaming agent, such as laundry detergent, shower gel, etc., the type of surfactant 154 includes, but is not limited to, solid, liquid, or gel.
In an embodiment not shown, the trigger member may drive the sliding plug to slide downward, so as to break the film through the opening of the accommodating member, and push or extrude the surfactant out of the accommodating space, so as to separate the surfactant from the nozzle.
Fig. 3 is a schematic view of an embodiment of the foaming device of the present application, which includes a nozzle 1 and a bottle 2. Wherein, the nozzle 1 can be any one of the nozzles of the previous embodiments, and the bottle body 2 has a bottle opening 21 for combining the nozzle 1 to form a device capable of foaming.
Fig. 4 is a schematic view of another embodiment of the foaming device of the present application, wherein the nozzle head 1 of the foaming device contains a surfactant 154, and the bottle body 2 of the foaming device contains a carbonated solution 22, including but not limited to a carbonated beverage such as a sprite or cola.
Referring to fig. 3 and 4, in an embodiment, a sealing element 3 is disposed between the nozzle 1 (a third opening (not shown) of the valve body 12) and the bottle body 2 (the bottle opening 21) to tightly couple the nozzle 1 and the bottle body 2, so as to prevent the gas precipitated from the carbonic acid solution 22 from escaping from the gap between the nozzle 1 and the bottle body 2. Wherein the sealing element 3 comprises, but is not limited to, a gasket or a hose.
In an embodiment not shown, when the trigger member in the nozzle of the foaming device drives the sliding plug, the surfactant is separated from the nozzle and falls into the bottle body, and reacts with the carbonic acid solution in the bottle body to generate foam containing carbon dioxide gas and form a strong pressure, and the strong pressure can make the foam containing carbon dioxide gas spray out along the spraying element. If the spraying element is aligned with the fire source, the carbon dioxide in the foam can be utilized to isolate combustion-supporting gas in the air, and the fire source can be extinguished, so that the foaming device can also be applied to extinguishment.
In some embodiments, the bottle of the foaming device may be any commercially available unopened soda bottle, and the usage method thereof is as follows: when a fire source is found, the fire extinguishing device can be immediately applied to fire extinguishing by only combining and locking the spray head and the unsealed soda bottle (for example, in a screw connection mode, the soda bottle is provided with an opening with external threads, a valve body fixed on the spray head is provided with a third opening with internal threads), taking down the foolproof element, pressing or pulling a trigger component of the press handle switch, shaking the bottle body and then loosening the trigger; or, before the fire source is found, the nozzle and the unsealed soda bottle can be combined and locked at any time, and the soda in the soda bottle can be drunk before the foolproof element is taken down or damaged.
Fig. 5 is a schematic view of another embodiment of the foaming device of the present application, which includes a nozzle 1 and a bottle 2. The nozzle 1 comprises a press handle switch 11, a valve body 12, a spraying element 13, a sliding plug 14, a containing member 15 and a regulating element 18, wherein the press handle switch 11 is provided with a holding part 113, and the holding part 113 is provided with a flow passage (not shown); the valve body 12 is connected to one end of the holding portion 113, and has a first opening, a second opening, a third opening and a fourth opening (not shown), wherein the second opening, the third opening, the first opening and the fourth opening are opposite openings respectively; the ejecting element 13 is connected to the other end of the holding portion 113, and is communicated with the first opening of the valve body through the flow channel of the holding portion 113, and the ejecting element 13 includes but is not limited to a nozzle; the regulating element 18 is arranged at the second opening of the valve body; the sliding plug 14 is connected to the regulating element 18, and the regulating element 18 can drive the sliding plug 14 to slide in the valve body and the second opening; the housing member 15 has a housing 151, a film 152, and a housing 153, the housing 153 can house the surfactant 154, the housing member 15 is coupled to the third opening of the valve body 12, the opening of the housing 151 faces the inside of the valve body, the film 152 covers the opening of the housing 151, and the housing 153 is formed inside the housing 151. The bottle body 2 has a mouth 21 and contains a carbonated solution 22, the mouth 21 can be combined with the nozzle 1 to form a foamable device, and the carbonated solution 22 includes but is not limited to soda drinks such as sprite or cola. In addition, a sealing element 3 may be disposed between the nozzle 1 (the fourth opening of the valve body 12) and the bottle body 2 (the bottle opening 21) to tightly couple the nozzle 1 and the bottle body 2, so as to prevent the gas evolved from the carbonic acid solution 22 from escaping from the gap between the nozzle 1 and the bottle body 2, wherein the sealing element 3 includes, but is not limited to, a gasket or a hose. The aforementioned connection means includes, but is not limited to, screwing or joggling, and the aforementioned joining means includes, but is not limited to, screwing or inlaying.
In some embodiments, not shown, the nozzle further comprises a fool-proof element disposed on the regulating element, the fool-proof element including but not limited to a seal, a strap, a plug, or a safety ring; thin films include, but are not limited to, hermetic thin films; the surfactant may be in the form of a solid, liquid or gel (e.g., any form of foaming agent such as laundry detergent, shower gel, etc.); the regulating element includes but is not limited to a rotary disc or a knob, the surface of the regulating element can be printed with a switch mark for determining whether the surface of the regulating element foams, and a user can operate the regulating element to drive the sliding plug and destroy the film according to the mark so as to enable the surfactant to be separated from the spray head. For example, the control element has two mode marks of "ON" and "OFF", and the user can operate the control element 18 to the position marked with "OFF" according to the mark, so that the accommodating space 15 is in a closed state, and the carbonic acid solution 22 cannot contact the surfactant 154; the user can also operate the control element 18 to the position marked "ON" according to the indication, so that the accommodating space 15 is in an open state, and the carbonic acid solution 22 can contact the surfactant 154.
In other embodiments not shown, when the user adjusts the operation of the control element to the open mode, the control element drives the sliding plug to pass through the opening of the accommodating member and destroy the film, so that the carbonic acid solution passes through the accommodating member, the surfactant reacts with the carbonic acid solution in the bottle body after contacting, the foam containing the carbon dioxide gas is generated and forms a strong pressure, and the strong pressure can make the foam containing the carbon dioxide gas pass through the sealing hose, the valve body and the flow channel of the holding portion and be sprayed out from the spraying element. If the ejecting element is aligned with the fire source, the carbon dioxide in the foam can be utilized to isolate the combustion-supporting gas in the air, and the fire source can be extinguished. In short, in case of fire, the user can adjust the control element 18 to the "ON" mode to achieve the bubbling effect, so the bubbling device can also be used for fire extinguishing.
In other embodiments, the bottle of the foaming device can be any commercially available unopened soda bottle, and the usage method thereof is as follows: when a fire source is found, the fire extinguishing device can be immediately applied to fire extinguishing by only combining and locking the spray head and the unsealed soda bottle (for example, in a screw connection mode, the soda bottle is provided with an opening with external threads, and a valve body fixed on the spray head is provided with a first opening with internal threads), taking down the foolproof element, operating and adjusting the regulating element, shaking the bottle body, and then pressing or pulling the press handle switch; or, before the fire source is found, the nozzle and the unsealed soda bottle can be combined and locked at any time, and the soda in the soda bottle can be drunk before the foolproof element is taken down or damaged.
Generally, household households store commercial soda water in their residences, and the shelf life of the soda water is usually one year. The utility model provides a shower nozzle can combine with arbitrary market unopened soda bottle because of its special construction, but the foamability device of its constitution need not just overhaul every three months or half a year and can normally use, more can not produce toxic gas, has convenient to use, reduces environmental pollution, avoids causing advantages such as injury to the human body, borrows this shortcoming and the risk of overcoming knowing the fire extinguisher.
Description of the symbols
1 spray head
11 pressing handle switch
111 upper handle
112 lower handle
113 grip part
12 valve body
13 discharge element
14 sliding plug
15 accommodating member
151 casing
152 film
153 space
154 surfactant
18 regulatory element
2 bottle body
21 bottleneck
22 Carbonic acid solution
3 sealing element
Claims (19)
1. A spray head, comprising:
a handle pressing switch;
the valve body is connected with the pressure handle switch and is provided with a first opening, a second opening and a third opening, and the second opening and the third opening are opposite openings;
a spraying element connected to the first opening of the valve body;
the sliding plug is arranged at the second opening of the valve body and is contacted with the pressure handle switch; and
the containing component is jointed with the third opening of the valve body and is provided with a shell, the opening of the shell faces the outer side of the valve body and is covered with a film, and a containing space is formed on the inner side of the shell and can contain a surfactant.
2. The spray head of claim 1, further comprising a fool-proof element disposed on the push-handle switch.
3. The showerhead of claim 1, wherein the membrane is a hermetic membrane.
4. A frothing device, comprising:
a spray head according to any one of claims 1 to 3; and
a bottle body for containing carbonic acid solution and having a bottle mouth for combining with the nozzle to form a foaming device.
5. The foaming device as claimed in claim 4, further comprising a sealing member disposed between the nozzle and the bottle.
6. A foaming device as claimed in claim 4, which is a device for use in extinguishing fires.
7. A method of frothing in a frothing apparatus as claimed in claim 4, comprising the steps of:
(a) pressing or pulling the press handle switch;
(b) the handle pressing switch drives the sliding plug to pass through the opening of the accommodating component and destroy the film, so that the surfactant is pushed into the bottle body; and
(c) shaking the bottle body to make the surfactant react with the carbonic acid solution to generate pressure and foam.
8. The method of claim 7, further comprising the step after step (c) of:
(d) the toggle switch is released and pressure causes the foam to be ejected along the ejection element.
9. The method of claim 8, which is a method applied to extinguish a fire.
10. A spray head, comprising:
a handle-pressing switch, which is provided with a holding part, and the holding part is provided with a flow passage;
the valve body is connected to one end of the holding part and is provided with a first opening, a second opening, a third opening and a fourth opening, and the second opening and the third opening are opposite openings;
the ejecting element is connected to the other end of the holding part and communicated with the first opening of the valve body through the flow passage of the holding part;
the regulating element is arranged at the second opening of the valve body;
the sliding plug is connected with the regulating element and is positioned on the inner side of the valve body; and
the containing component is jointed with the third opening of the valve body and is provided with a shell, the opening of the shell faces the inner side of the valve body and is covered with a film, and a containing space is formed on the inner side of the shell and can contain a surfactant.
11. The showerhead of claim 10, further comprising a fool-proof member disposed on the regulating member.
12. The showerhead of claim 10, wherein the membrane is a hermetic membrane.
13. The showerhead of claim 10, wherein the regulating member further comprises an on mode and an off mode.
14. A frothing device, comprising:
a spray head according to any one of claims 10 to 13; and
a bottle body for containing carbonic acid solution and having a bottle mouth for combining with the nozzle to form a foaming device.
15. The bubbler of claim 14, further comprising a sealing member disposed between the fourth opening of the valve body and the spout.
16. The foaming device of claim 14, which is a device for use in extinguishing fires.
17. A method of frothing in a frothing apparatus as claimed in claim 14, comprising the steps of:
(a) adjusting the control element to an on mode; and
(b) shaking the bottle body to make the carbonic acid solution pass through the holding member and react with the surfactant after contacting to generate pressure and foam.
18. The method of claim 17, further comprising the step after step (b) of:
(c) the pressing handle switch is pressed or pulled, and the foam is sprayed out along the spraying element by the pressure.
19. The method of claim 18, which is a method applied to extinguish a fire.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108129549A TWI708625B (en) | 2019-08-20 | 2019-08-20 | Spray head, foaming device and foaming method with the spray head |
| TW108129549 | 2019-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112402849A true CN112402849A (en) | 2021-02-26 |
Family
ID=74202168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010716567.4A Pending CN112402849A (en) | 2019-08-20 | 2020-07-23 | Nozzle, foaming device with nozzle and foaming method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112402849A (en) |
| TW (1) | TWI708625B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI708625B (en) | 2020-11-01 |
| TW202108206A (en) | 2021-03-01 |
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