CN104689501B - A kind of hand fire extinguisher - Google Patents
A kind of hand fire extinguisher Download PDFInfo
- Publication number
- CN104689501B CN104689501B CN201510105469.6A CN201510105469A CN104689501B CN 104689501 B CN104689501 B CN 104689501B CN 201510105469 A CN201510105469 A CN 201510105469A CN 104689501 B CN104689501 B CN 104689501B
- Authority
- CN
- China
- Prior art keywords
- extinguishing chemical
- fire extinguisher
- valve body
- base
- extinguishing
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/62—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
- A62C13/64—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
Abstract
The invention discloses a kind of hand fire extinguisher, including extinguishing chemical cylinder, switch valve, pressure handle, carrying handle and safety plug, switch valve includes valve body and is telescopically arranged in the valve rod of valve body, and valve body is exported provided with extinguishing chemical import and extinguishing chemical, and extinguishing chemical import is relative with extinguishing chemical cylinder to be connect；Pressure handle is articulated with valve body, and carrying handle is fixed in valve body, and pressure handle and carrying handle are respectively equipped with a jack, and safety plug is plugged in two jack；Also include to convey and stirring the stirring pipe of extinguishing chemical and the base of up/down perforation, base is rotatablely arranged in valve body, and valve rod is flexibly connected with the base, to drive base to rotate when pushing；One end of stirring pipe is affixed or is shaped in base, and the other end is stretched into extinguishing chemical cylinder.The present invention can be stirred to extinguishing chemical in time on startup, fire extinguisher very first time when occurring fire is set to spray a large amount of extinguishing chemicals, and implement effectively fire extinguishing, also make fire extinguishing personnel when occurring fire from rocking fire extinguisher, the quality time is striven for implement effectively fire extinguishing.
Description
Technical field
It is more particularly to a kind of to stir the hand fire extinguisher of extinguishing chemical on startup the present invention relates to fire-fighting domain.
Background technology
Hand fire extinguisher is used widely because easy to operate, easily controllable, light in numerous occasions.However, cloth
The hand fire extinguisher for being placed in the corner of each occasion is often remained static, and this is resulted in after time length, inside it
Extinguishing chemical can condense, or even be condensed into an entirety.When a fire, hand fire extinguisher needs manual operation
It can put out a fire, in operation, because ordinary person is in the nervous, state of emergency and not professional enough, thus will can not often go out in time
Fiery agent, which is rocked, to be loosed off, and causes extinguishing chemical to be held in coagulated state, when hand fire extinguisher is activated, the very first time without
Method sprays substantial amounts of extinguishing chemical, so as to cause the hand fire extinguisher can not implement effective fire extinguishing in the very first time, causes fire
Spread and related property loss.
The content of the invention
The invention provides a kind of hand fire extinguisher, when the hand fire extinguisher for which overcoming prior art starts, its
The problem of extinguishing chemical condenses and is difficult to eject.
The technical solution adopted for the present invention to solve the technical problems is：A kind of hand fire extinguisher, including extinguishing chemical cylinder
Body, switch valve, pressure handle, carrying handle and safety plug, switch valve include valve body and are telescopically arranged in valve body and can block inside it
The valve rod of path, valve body is exported provided with extinguishing chemical import and extinguishing chemical, and extinguishing chemical import is relative with extinguishing chemical cylinder to be connect；Pressure handle is cut with scissors
Valve body is connected to, carrying handle is fixed in valve body, and pressure handle and carrying handle are respectively equipped with a jack, and safety plug is plugged in two jack；Also wrap
Include the base of the stirring pipe that can convey and stir extinguishing chemical and up/down perforation, base is rotatablely arranged in valve body, valve rod with
The base is flexibly connected, to drive base to rotate when pushing；One end of stirring pipe is affixed or is shaped in base, the other end
Stretch into extinguishing chemical cylinder.
In one embodiment, the stirring pipe is including the body for conveying extinguishing agent and located at the body lateral surface and is used for
Stir the stirring structure of extinguishing chemical.
In one embodiment, strip guide part of the medial surface provided with the setting of inclined or spiral of the base, the valve
The bottom sides of bar are correspondingly provided with the auxiliary section being adapted to therewith, and when the valve rod is moved downward, auxiliary section is moved simultaneously along guide part
The base is driven to rotate.
In one embodiment, the elastic component for being prefabricated with torsion, the valve rod are combined between the base and the valve rod
When moving downward, the elastic component discharges its torsion and drives the base to rotate.
In one embodiment, the safety plug is provided with the structure that fractures, and/or the safety plug is using the making of easily broken material
Into.
In one embodiment, also including warning device, the warning device is connected with button starting switch, and the warning device is set
On the outside of the valve body, alarm pressing lever is correspondingly arranged on the pressure handle, when the pressure handle is depressed, the alarm pressing lever
Touch and open starting switch.
In one embodiment, the stirring structure is screw mixing fin.
In one embodiment, the guide part be guiding rib, the auxiliary section for can sliding sleeve in the chute outside the guiding rib, or
Person, the guide part is gathering sill, and the auxiliary section is energy sliding sleeve in the convex portion in gathering sill.
In one embodiment, the guide part is two, and is centrosymmetric；The auxiliary section is two, and is oppositely arranged.
In one embodiment, the structure that fractures is the multiple annular grooves or linear groove located at the safety plug side,
The axially spaced-apart arrangement of the plurality of annular groove or linear groove along the safety plug.
In one embodiment, elastic component, the valve are combined between the inside bottom of the bottom of the valve rod and the base
Sealing gasket is socketed with the outside of bar, the sealing gasket blocks the internal path of the valve body under the contact of elastic component.
In one embodiment, the warning device is externally provided with a protective cover, the upper side of the protective cover and carrying handle difference
Provided with a resigning hole passed through for the alarm pressing lever.
In one embodiment, also including pressure gauge and extinguishing chemical nozzle, a pressure gauge connection, pressure are additionally provided with the valve body
Table is arranged at the pressure gauge connection；Extinguishing chemical nozzle is secured to the extinguishing chemical outlet of the valve body.
Compared to prior art, the invention has the advantages that：
1st, the present invention is by setting the stirring pipe and base, and the valve rod of base and switch valve is connected so that hand
When proposing the startup of formula fire extinguisher, valve rod can drive base to rotate, so that drive stirring pipe to rotate and stir extinguishing chemical, thus, this
Invention can be stirred to extinguishing chemical in time on startup, unclamp it, it is to avoid extinguishing chemical condenses and is difficult to eject, and makes
Hand fire extinguisher can spray a large amount of extinguishing chemicals the very first time when occurring fire, and implement effectively fire extinguishing, also make fire extinguishing people
Member, from rocking fire extinguisher, the quality time is striven for implement effectively fire extinguishing when occurring fire；
2nd, stirring pipe of the invention and the smart structural design of base, and simple and practical；
3rd, the present invention further sets fracture structure and/or safety plug using the making of easily broken material on the body of rod of safety plug
Form, situations below can be avoided the occurrence of：During generation fire, fire extinguishing personnel, which have forgotten to unplug safety plug in emergency situations, just to be pressed
Fire extinguisher, causes fire extinguisher pressure handle gross distortion, and fire extinguisher is in failure state, thus, when a fire, even if fire extinguishing people
Member forgets to unplug safety plug, can also be by disconnected safety plug, and ensure that pressure handle is indeformable, fire extinguisher is worked in time；
4th, the present invention further sets warning device, and sets on pressure handle alarm pressing lever with matching so that
When pressure handle is depressed, warning device alarm can be touched, the personnel maloperation of preventing causes fire extinguisher to be in failure or half failure
State do not find but by other people, thus, the warning device can point out the relevant personnel to occur failure in fire extinguisher or half fail
Fire extinguisher is changed during situation in time.
The present invention is described in further detail below in conjunction with drawings and Examples；But a kind of portable fire extinguishing of the present invention
Device is not limited to embodiment.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention of embodiment one；
Fig. 2 is the diagrammatic cross-section of the present invention of embodiment one；
Fig. 3 is the diagrammatic cross-section that the present invention of embodiment one carries out partial enlargement；
Fig. 4 is the partial structural diagram of the stirring pipe of the present invention of embodiment one；
Fig. 5 is the structural representation of the base of the present invention of embodiment one (containing perspective)；
Fig. 6 is the top view of the base of the present invention of embodiment one；
Fig. 7 is the structural representation of the valve rod of the present invention of embodiment one；
Fig. 8 is the structural representation of the safety plug of the present invention of embodiment one；
Fig. 9 is the diagrammatic cross-section of the present invention of embodiment two.
Embodiment
Embodiment one
Refer to shown in Fig. 1-Fig. 8, a kind of hand fire extinguisher of the invention, including extinguishing chemical cylinder 1, switch valve 2, pressure
4, carrying handle 5 and safety plug 3, switch valve 2 includes valve body 21 and is telescopically arranged in valve body 21 and can block its internal path
Valve rod 22, valve body 21 exports provided with extinguishing chemical import and extinguishing chemical, extinguishing chemical import with extinguishing chemical cylinder 1 with respect to connecing, specifically,
The female ring bodies 11 of tool of upper end open welding one of the extinguishing chemical cylinder 1, valve body 21 is correspondingly provided with external screw thread, therewith phase
Threaded engagement.Pressure handle 4 is articulated with valve body 21, and carrying handle 5 is fixed in valve body 21, and pressure handle 4 and carrying handle 5 are respectively equipped with a jack, protects
Dangerous pin 3 is plugged in two jack, and the top of valve rod 22 is stretched out outside valve body 21, and contacts against in pressure handle 4 or close to pressure handle 4, with energy quilt
Pressure handle 4 is depressed.Present invention additionally comprises the stirring pipe 7 that can convey and stir extinguishing chemical and the base 6 of up/down perforation, base 6 can turn
It is arranged at dynamicly in valve body 21, valve rod 22 is flexibly connected with the base 6, to drive base 6 to rotate when pushing.Stirring pipe 7
One end is fixed in base 6 (or, can also be integrally formed stirring pipe 7 and base 6), and the other end is stretched into extinguishing chemical cylinder 1.
In the present embodiment, including the straight tube body 71 for conveying extinguishing agent, (body 71 can be named siphon to the stirring pipe 7 again
Pipe) and located at the lateral surface of body 71 and for stirring the stirring structure of extinguishing chemical.Specifically, the bottom of the body 71, which is extended to, goes out
The bottom of fiery agent cylinder 1, stirring structure is the axially arranged screw mixing fin 72 along the body 71, and is double helix
Structure.In addition, the stirring structure can also use other structures, if for example, the radial lateral surface of body 71 that is arranged in
Dry puddler, and each puddler can be designed as curved, may be designed in straight, and makes on every two adjacent puddlers
Lower sequence.
In the present embodiment, the medial surface of the base 6 provided with helically setting (or, can also be inclined to set) two
Individual strip guide part, the bottom sides of the valve rod 22 extend around an annular slice body 221, the side of the plates 221
Two auxiliary sections being adapted to therewith are correspondingly provided with, two guide parts are centrosymmetric, and two auxiliary sections are oppositely arranged, the valve rod
22 when being moved downward, and auxiliary section is moved along guide part and drives the base 6 to rotate.Here, the guide part is specially to be oriented to
Muscle 61, the auxiliary section is energy sliding sleeve in the chute 222 outside the guiding rib 61.In addition, both can also exchange, i.e. described to lead
It is gathering sill to portion, the auxiliary section is energy sliding sleeve in the convex portion in gathering sill.The inside bottom of the base 6 is additionally provided with a ring
The limiting stand 62 of shape, the downward storke progress to the valve rod 22 is spacing.In addition it is also possible to cancel above-mentioned guide part and auxiliary section
Design, and directly between base 6 and valve rod 22 coordinate be prefabricated with torsion elastic component (elastic component can using turn round
Spring is realized), and when the valve rod 22 is moved downward, the elastic component discharges its torsion and drives the base 6 to rotate, from
And drive the agitation of stirring pipe 7 extinguishing chemical.
As one kind preferably, the safety plug 3 is provided with the structure that fractures, and the respective outer side edges that fracture are in the position of two jack
Put.Specifically, the structure that fractures is multiple annular grooves 31 located at the side of safety plug 3, and the plurality of annular groove 31 is along guarantor
The axially spaced-apart arrangement of dangerous pin 3.Except this, the structure that fractures can also be multiple linear grooves located at the side of safety plug 3, and
Axially spaced-apart arrangement of the plurality of linear groove along safety plug.One end of the safety plug 3 is additionally provided with a draw ring 32.Here,
It can also cancel the design of the structure that fractures, but the strength that safety plug 3 directly is utilized more than into 50 Ns can be by disconnected easy
Disconnected material (such as engineering plastics) is made, or, safety plug 3 is made using easily broken material, while being designed in the safety plug 3
The structure that fractures.
As a kind of preferred, present invention additionally comprises warning device 8, the warning device 8 is specially Buzzing type warning device, its
Button starting switch 81 is connected with, the warning device 8 is correspondingly arranged on one on the outside of valve body 21, the pressure handle 4
Alarm pressing lever 41, when the pressure handle 4 is depressed, the alarm pressing lever 41 touches and opens starting switch 81.Warning device 8
A protective cover 82 is additionally provided with outside, specifically, the warning device 8 is installed on the medial surface of protective cover 82, and protective cover 82 is secured to institute
State the outside of valve body 21.The upper side of the protective cover 82 and the carrying handle 5 are respectively equipped with one for allowing that alarm pressing lever 41 passes through
Position hole 83.
It is combined between the bottom of the valve rod 22 and the inside bottom of the base 6 outside elastic component, the valve rod 22
Side is socketed with sealing gasket 23, and the sealing gasket 23 blocks the internal path of the valve body 21 under the contact of elastic component.The present embodiment,
Elastic component is preferred to use spring 24 to realize.
Present invention additionally comprises pressure gauge 9 and extinguishing chemical nozzle 10, a pressure gauge connection, pressure are additionally provided with the valve body 21
Table 9 is arranged at the pressure gauge connection；Extinguishing chemical nozzle 10 is secured to the extinguishing chemical outlet of the valve body 21.
A kind of hand fire extinguisher of the present invention, its application method and the course of work are as follows：
Safety plug 3 is extracted, pressure handle 4 is depressed, the pressure valve rod 22 of pressure handle 4 makes valve rod 22 overcome the elastic force of spring 24 to transport downwards
It is dynamic, and open the internal path of valve body 21, while two chutes 222 of valve rod 22 are moved downward along two guiding ribs 61 of base 6,
Base 6 is promoted to rotate, so as to drive stirring pipe 7 to rotate, then the screw mixing fin 72 in stirring pipe 7 stirs extinguishing chemical cylinder
Extinguishing chemical in 1, looses off the extinguishing chemical being coagulated together, and the pressed gas prestored in extinguishing chemical cylinder 1
Driving under pass sequentially through stirring pipe 7, base 6, the internal path of valve body 21, the extinguishing chemical spout of valve body 21, extinguishing chemical nozzle
10 eject.
When pressure handle 4 is depressed, alarm pressing lever 41 thereon is also and then moved downward, and presses starting switch 81, is made
Warning device 8 continuously sends out buzzing alarm.
When a fire, fire extinguishing personnel need not rock hand fire extinguisher and can make inside it because static and solidifying for a long time
The extinguishing chemical of knot together is loosed off, and fire extinguisher very first time when occurring fire is sprayed a large amount of extinguishing chemicals, and in fact
Apply effective fire extinguishing.On the other hand, the present invention also makes fire extinguishing personnel when occurring fire from rocking fire extinguisher, to implement effectively to go out
Fire strives for the quality time.
When a fire, can also be by disconnected safety plug 3 even if fire extinguishing personnel forget that unpluging safety plug 3 just presses pressure handle 4
(as long as the strength more than 50 Ns can be by the disconnected safety plug 3), and ensure that pressure handle 4 is indeformable, fire extinguisher is worked in time.
When not occurring fire, and the hand fire extinguisher is misused when causing in failure or half failure state, alarm
Device 8 starts, and continuously sends out buzzing alarm, points out the relevant personnel to change fire extinguisher in time, it is to avoid fire extinguisher is in failure
Or half failure state but not known to other people so that cause when a fire the personnel of putting out a fire can not be carried out using the fire extinguisher
Fire extinguishing.
Embodiment two
A kind of hand fire extinguisher shown in Figure 9, of the invention, it is with the difference of embodiment one：It is described to go out
Welding one is provided with externally threaded ring bodies 12 at the top end opening of fiery agent cylinder 1, and the ring bodies 12 is matched somebody with somebody with the phase spiral of a nut 13
Close, the valve body 21 is fixed on extinguishing chemical cylinder 1.
Above-described embodiment only be used for further illustrate the present invention a kind of hand fire extinguisher, but the invention is not limited in
Embodiment, any simple modification, equivalent variations and modification that every technical spirit according to the present invention is made to above example,
Each fall within the protection domain of technical solution of the present invention.
Claims (13)
1. a kind of hand fire extinguisher, including extinguishing chemical cylinder, switch valve, pressure handle, carrying handle and safety plug, switch valve include valve body
Be telescopically arranged in valve body and the valve rod of its internal path can be blocked, valve body is exported provided with extinguishing chemical import and extinguishing chemical,
Extinguishing chemical import is relative with extinguishing chemical cylinder to be connect；Pressure handle is articulated with valve body, and carrying handle is fixed in valve body, and pressure handle and carrying handle are set respectively
There is a jack, safety plug is plugged in two jack；It is characterized in that：Also include to convey and stir the stirring pipe of extinguishing chemical and upper
The base of lower insertion, base is rotatablely arranged in valve body, and valve rod is flexibly connected with the base, to drive base when pushing
Rotate；One end of stirring pipe is affixed or is shaped in base, and the other end is stretched into extinguishing chemical cylinder.
2. hand fire extinguisher according to claim 1, it is characterised in that：The stirring pipe includes being used for conveying extinguishing agent
Body and located at the body lateral surface and for stirring the stirring structure of extinguishing chemical.
3. hand fire extinguisher according to claim 1, it is characterised in that：The medial surface of the base provided with inclined or
The strip guide part that spiral is set, the bottom sides of the valve rod are correspondingly provided with the auxiliary section being adapted to therewith, the valve rod to
During lower motion, auxiliary section is moved along guide part and drives the base to rotate.
4. hand fire extinguisher according to claim 1, it is characterised in that：It is combined between the base and the valve rod
The elastic component of torsion is prefabricated with, when the valve rod is moved downward, the elastic component discharges its torsion and drives the base to turn
It is dynamic.
5. hand fire extinguisher according to claim 1, it is characterised in that：The safety plug provided with fracture structure and/
Or the safety plug is made using easily broken material.
6. hand fire extinguisher according to claim 1, it is characterised in that：Also include warning device, the warning device connects
Button starting switch is connected to, the warning device is correspondingly arranged on alarm pressing lever on the outside of the valve body on the pressure handle,
When the pressure handle is depressed, the alarm pressing lever touches and opens starting switch.
7. hand fire extinguisher according to claim 2, it is characterised in that：The stirring structure is the screw mixing wing
Piece.
8. hand fire extinguisher according to claim 3, it is characterised in that：The guide part is guiding rib, the cooperation
Portion for can sliding sleeve in the chute outside the guiding rib, or, the guide part be gathering sill, the auxiliary section for can sliding sleeve in guiding
Convex portion in groove.
9. hand fire extinguisher according to claim 3, it is characterised in that：The guide part is two, and in center pair
Claim；The auxiliary section is two, and is oppositely arranged.
10. hand fire extinguisher according to claim 5, it is characterised in that：The structure that fractures is located at the insurance
Sell the multiple annular grooves or linear groove of side, the axially spaced-apart of the plurality of annular groove or linear groove along the safety plug
Arrangement.
11. hand fire extinguisher according to claim 1, it is characterised in that：The bottom of the valve rod and the base
It is combined between inside bottom on the outside of elastic component, the valve rod and is socketed with sealing gasket, the sealing gasket is under the contact of elastic component
Block the internal path of the valve body.
12. hand fire extinguisher according to claim 6, it is characterised in that：The warning device is externally provided with a protective cover,
The upper side of the protective cover and the carrying handle are respectively equipped with a resigning hole passed through for the alarm pressing lever.
13. hand fire extinguisher according to claim 1, it is characterised in that：Also include pressure gauge and extinguishing chemical nozzle, institute
State and be additionally provided with valve body a pressure gauge connection, pressure gauge is arranged at the pressure gauge connection；Extinguishing chemical nozzle is secured to the valve body
Extinguishing chemical outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105469.6A CN104689501B (en) | 2015-03-11 | 2015-03-11 | A kind of hand fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105469.6A CN104689501B (en) | 2015-03-11 | 2015-03-11 | A kind of hand fire extinguisher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104689501A CN104689501A (en) | 2015-06-10 |
| CN104689501B true CN104689501B (en) | 2017-07-18 |
Family
ID=53337293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510105469.6A Active CN104689501B (en) | 2015-03-11 | 2015-03-11 | A kind of hand fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104689501B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435395B (en) * | 2016-01-06 | 2018-08-31 | 中达元机电科技（苏州）有限公司 | A kind of one-touch hand extinguisher |
| CN205323059U (en) * | 2016-01-06 | 2016-06-22 | 中达元机电科技（苏州）有限公司 | A key formula portable fire extinguisher |
| CN110694206B (en) * | 2019-10-31 | 2021-06-15 | 南京洪湖消防器材制造有限公司 | Self-locking fire extinguisher based on indirect press control handle |
| CN115814310A (en) * | 2023-01-30 | 2023-03-21 | 山西易通森林火灾防控装备有限公司 | Small portable cold aerosol fire extinguisher with telescopic spray pipe |
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| GB1363181A (en) * | 1971-04-01 | 1974-08-14 | Estes R Q | Safety device for fire extinguishers |
| US4119153A (en) * | 1976-11-01 | 1978-10-10 | Bernzomatic Corporation | Tamper-proof fire extinguisher |
| SU1313447A1 (en) * | 1985-11-01 | 1987-05-30 | Киевский Филиал Всесоюзного Научно-Исследовательского Института Противопожарной Обороны | Powder-type fire extinguisher |
| CN201603325U (en) * | 2010-01-22 | 2010-10-13 | 张明通 | Fire extinguisher |
| CN202409899U (en) * | 2011-12-26 | 2012-09-05 | 朱德双 | Fire extinguisher |
| CN204543341U (en) * | 2015-03-11 | 2015-08-12 | 国安达股份有限公司 | Hand fire extinguisher |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006167180A (en) * | 2004-12-16 | 2006-06-29 | Yasuhiko Kawachi | Fire extinguisher with alarm |
| US20060283608A1 (en) * | 2005-06-16 | 2006-12-21 | Hauck Curt A | Fire extinguisher activating a remote alarm |
| US8757282B2 (en) * | 2006-10-12 | 2014-06-24 | Hector Rousseau | Self servicing fire extinguisher with internal mixing and external CO2 chamber |
| KR20090087863A (en) * | 2009-05-16 | 2009-08-18 | 김용진 | Automatic a extinguish fire |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1363181A (en) * | 1971-04-01 | 1974-08-14 | Estes R Q | Safety device for fire extinguishers |
| US4119153A (en) * | 1976-11-01 | 1978-10-10 | Bernzomatic Corporation | Tamper-proof fire extinguisher |
| SU1313447A1 (en) * | 1985-11-01 | 1987-05-30 | Киевский Филиал Всесоюзного Научно-Исследовательского Института Противопожарной Обороны | Powder-type fire extinguisher |
| CN201603325U (en) * | 2010-01-22 | 2010-10-13 | 张明通 | Fire extinguisher |
| CN202409899U (en) * | 2011-12-26 | 2012-09-05 | 朱德双 | Fire extinguisher |
| CN204543341U (en) * | 2015-03-11 | 2015-08-12 | 国安达股份有限公司 | Hand fire extinguisher |
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| Publication number | Publication date |
|---|---|
| CN104689501A (en) | 2015-06-10 |
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