CN106628062A - Coal mine water seepage self-rescuer with oxygen generation function - Google Patents
Coal mine water seepage self-rescuer with oxygen generation function Download PDFInfo
- Publication number
- CN106628062A CN106628062A CN201611008677.5A CN201611008677A CN106628062A CN 106628062 A CN106628062 A CN 106628062A CN 201611008677 A CN201611008677 A CN 201611008677A CN 106628062 A CN106628062 A CN 106628062A
- Authority
- CN
- China
- Prior art keywords
- chamber
- coal mine
- rescuer
- cavity
- mine water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000003245 coal Substances 0.000 title claims abstract description 20
- 239000001301 oxygen Substances 0.000 title claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 20
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003054 catalyst Substances 0.000 claims abstract description 16
- 230000009189 diving Effects 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 15
- 239000011572 manganese Substances 0.000 claims description 13
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 10
- 229960002163 hydrogen peroxide Drugs 0.000 claims description 10
- 229910052748 manganese Inorganic materials 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- 239000002775 capsule Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010013975 Dyspnoeas Diseases 0.000 description 2
- 208000000059 Dyspnea Diseases 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/13—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist
- B63C9/15—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist having gas-filled compartments
- B63C9/155—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist having gas-filled compartments inflatable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/02—Divers' equipment
- B63C11/12—Diving masks
- B63C11/14—Diving masks with forced air supply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/18—Inflatable equipment characterised by the gas-generating or inflation device
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0203—Preparation of oxygen from inorganic compounds
- C01B13/0207—Water
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0203—Preparation of oxygen from inorganic compounds
- C01B13/0211—Peroxy compounds
- C01B13/0214—Hydrogen peroxide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Inorganic Chemistry (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Catalysts (AREA)
Abstract
The invention relates to a coal mine water seepage self-rescuer with an oxygen generation function and belongs to the technical field of coal mine rescue equipment. According to the coal mine water seepage self-rescuer with the oxygen generation function, the structure is simple, operation is convenient, when a water seepage accident happens, self-rescue can be conducted, oxygen is provided for people needing help, and the escaping time is prolonged. According to the adopted technical scheme, straps are arranged on one side of a base plate, a sealed shell is arranged on the other side of the base plate, the sealed shell is internally provided with a hydrogen peroxide solution cavity, a manganese dioxide catalyst cavity, a pure water cavity and a valve chamber, the hydrogen peroxide solution cavity communicates with the manganese dioxide catalyst cavity through a dropper, a regulating valve is arranged on the dropper and located in the valve chamber, an air outlet pipe is arranged at the top of the manganese dioxide catalyst cavity and extends to the bottom of the pure water cavity, an air delivery pipe is arranged at the top of the pure water cavity and connected with a diving mask, and the diving mask is arranged in a storage bag. The coal mine water seepage self-rescuer is widely applied to self-rescue in case of coal mine water seepage.
Description
Technical field
The present invention relates to a kind of coal mine water flood rescuer with oxygen separating function, belongs to coalmine rescue equipment technical field.
Background technology
In recent years, repeatedly there is water leak accident in colliery in all parts of the country, and because down-hole situation is complicated, difficulty of suing and labouring is big, causes
Several downhole coal mine workmans are dead or stranded down-hole, and situation of production is still severe.Generation water leak accident simultaneously causes personnel to hinder
The reason for dying has：Part Coal Mine enterprise security prevention awareness is not strong, product of living again, light safety, knows there is old water in gob area perfectly well, not
Take measures on customs clearance improvement, tissue production of being eager causes accident；Part Coal Mine enterprise water control measures implement not in place, do not have
Accomplishing to have to doubt must visit, first visit and dig afterwards, not according to《Mine geological hazards specify》Leting speeper measure is taken, is caused driving face and is given up
Abandoned well or goaf goaf water are connected, and lead to water leak accident；Part Coal Mine enterprise site safety poor management lattice, colliery leader is dry
Portion does not go into the well on request and takes personal charge of the shift, and establishment officer can not withdraw in time after permeable generation, causes casualties；Part Coal Mine is illegally disobeyed
Method tissue production.Water leak accident causes down-hole trapped coal miner dead of crucial importance after occurring the reason for is expiratory dyspnea, power
Laboured breathing exhausts, water of choking is drowned.
The content of the invention
There is technical problem to solve prior art, the invention provides a kind of simple structure, easy to operate, occurring thoroughly
During water accident, can be saved oneself, for staff for help oxygen is provided, the colliery with oxygen separating function for extending escape time is permeable certainly
Rescue device.
For achieving the above object, to be that a kind of colliery with oxygen separating function is permeable save oneself the technical solution adopted in the present invention
Device, including substrate, the side of the substrate is provided with brace, and opposite side is provided with closed shell, the closed shell and arranges
There are hydrogenperoxide steam generator chamber, manganese dioxide-catalyst chamber, pure water cavity and valve box, the hydrogenperoxide steam generator chamber is by being added dropwise
Pipe is connected with manganese dioxide-catalyst chamber, is added dropwise on pipe and is provided with regulating valve, and the regulating valve is located in valve room, the tune
Operation handle is provided with section valve, escaping pipe is provided with the top of the manganese dioxide-catalyst chamber, the escaping pipe is extended to
To the bottom of pure water cavity, appendix is provided with the top of the pure water cavity, the appendix is connected with diving mask, institute
State and be provided with appendix control valve, the diving mask is placed in cylinder cnotainer for articles, and the cylinder cnotainer for articles is fixed on the top of substrate,
And slide fastener is provided with cylinder cnotainer for articles, and liquid-feeding tube is provided with the hydrogenperoxide steam generator chamber, water injection pipe is provided with pure water cavity,
Feeding port is provided with the manganese dioxide-catalyst chamber.
Preferably, the closed shell is provided centrally with installing hole, is provided with tubular shell in the installing hole, described
The bottom of tubular shell is provided with flanging, and the flanging is fixed on substrate by dormant bolt, arranges in the tubular shell
There is dividing plate, tubular shell be divided into distribution chamber and airbag chamber, the first air bag with inflator module is provided with the airbag chamber,
The inflator module is fixed on dividing plate, and igniter is additionally provided with dividing plate, and the igniter is connected with inflator module, institute
State the first airbag fold to be stored in airbag chamber, protection cap is stamped at the top of the airbag chamber, in the distribution chamber use is provided with
In the power supply that igniter is powered, the bottom of the closed shell is provided with ignition control switch；The middle and upper part of the brace is along the back of the body
Band is disposed with gasbag, and the gasbag interior folding storage has the second air bag, and second air bag is by communicating pipe and the first gas
Capsule is connected.
Preferably, thermal insulation layer is provided between the tubular shell and closed shell, the thermal insulation layer wraps up whole tubular
Housing.
Preferably, the open top of the tubular shell is horn-like.
Preferably, cushion is additionally provided with the substrate, the cushion is arranged on the side of brace by VELCRO.
Compared with prior art, the present invention has following technique effect：The present invention is designed using Backpack type, is taken up room
Little, mine staff for help can carry with, it is also possible to be stored in where easily taking, and when there is water leak accident, mine is asked
The personnel of rescuing back can save oneself bag rapidly, take diving mask, carry out oxygen supply, with time point gas explosion capsule, float mine staff for help
In floating over water, allow mine staff for help to have time enough to hide to refuge chamber or escaped, so can greatly reduce
The casualties that water leak accident is caused；And the present invention is compact, light, is easy to carry.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of closed shell in the present invention.
Fig. 3 is the structural representation of airbag-releasing state in the present invention.
Specific embodiment
In order that the technical problem to be solved, technical scheme and beneficial effect become more apparent, below tie
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
As shown in Figure 1 to Figure 3, a kind of coal mine water flood rescuer with oxygen separating function, including substrate 1, the side of substrate 1 sets
Brace 2 is equipped with, opposite side is provided with closed shell 3, closed shell 3 and is provided with the catalysis of hydrogenperoxide steam generator chamber 4, manganese dioxide
Agent chamber 5, pure water cavity 6 and valve box 7, hydrogenperoxide steam generator chamber 4 is connected by the way that pipe 8 is added dropwise with the chamber of manganese dioxide-catalyst 5,
It is added dropwise on pipe 8 and is provided with regulating valve 9, regulating valve 9 is located in valve box 7, and operation handle 10, titanium dioxide are provided with regulating valve 9
The top in Mn catalyst chamber 5 is provided with escaping pipe 11, and escaping pipe 11 is extended to the bottom of pure water cavity 6, the top of pure water cavity 6
Portion is provided with appendix 12, and appendix 12 is connected with diving mask 13, and control valve 14, diving mask are provided with appendix 12
13 are placed in cylinder cnotainer for articles 15, and cylinder cnotainer for articles 15 is fixed on the top of substrate 1, and cylinder cnotainer for articles 15 and is provided with slide fastener, hydrogen peroxide
Liquid-feeding tube 16 is provided with solution cavity 4, water injection pipe 17 is provided with pure water cavity 6, be provided with manganese dioxide-catalyst chamber 5 and fill out
Material mouth 18.
Wherein, closed shell 3 is provided centrally with installing hole, is provided with tubular shell 19, tubular shell 19 in installing hole
Bottom be provided with flanging 20, flanging 20 is fixed on substrate 1 by dormant bolt 21, is provided with dividing plate in tubular shell 19
22, tubular shell 19 is divided into distribution chamber 23 and airbag chamber 24, airbag chamber 24 and is provided with the first gas with inflator module 25
Capsule 26, inflator module 25 is fixed on dividing plate 22, and igniter 27 is additionally provided with dividing plate 22, igniter 27 and inflator module 25
It is connected, the stored collapsed of the first air bag 26 in airbag chamber 24, be stamped in protection cap 28, distribution chamber 23 and set by the top of airbag chamber 24
The power supply 29 powered for igniter is equipped with, the bottom of closed shell 3 is provided with ignition control switch 30；The middle and upper part of brace 2
Be disposed with gasbag 31 along brace, the storage of the interior folding of gasbag 31 has the second air bag 32, the second air bag 32 by communicating pipe 33 with
First air bag 26 is connected.
The present invention is designed using Backpack type, compact, light, is easy to carry.When there is water leak accident, mine staff for help
Back self-rescuer, has dressed diving mask, and turn operation handle, regulating valve is opened, and hydrogenperoxide steam generator is added by the way that pipe is added dropwise
In manganese dioxide, in the presence of hydrogenperoxide steam generator ability manganese dioxide-catalyst, oxygen is produced, oxygen enters pure by escaping pipe
Water-purifying cavity, Jing after pure water cavity filters humidification, by appendix diving mask is entered, and is that staff for help improves oxygen；Titanium dioxide
Mn catalyst chamber carries drainpipe, a water that should be produced is discharged in time.Simultaneously when water level rising trend is very fast, starting ignition control
Switch, ignition control switch starts inflator module, and wherein inflator module is identical with the inflation principle of safe automobile air bag, inflating mold
Block carries out fast aeration to the first air bag, while the second air bag is inflated by communicating pipe, so before staff for help
Form two gas bags afterwards, be so prevented from staff for help and drowned risk occurs, be staff for help have time enough hide to
Refuge chamber is escaped, and greatly reduces the casualties that water leak accident is caused.
Thermal insulation layer 34 is provided with the present invention between tubular shell 19 and closed shell 3, thermal insulation layer 34 wraps up whole tubular
Housing 19.Thermal insulation layer is primarily to be thermally shielded, the heat for preventing generation in gas replenishment process causes danger to oxygen.Cylindrical case
The open top of body adopts horn-like design, air bag is ejected more smoothly, rapidly.
Additionally, being additionally provided with cushion 35 on substrate 1, cushion 35 is arranged on the side of brace 2 by VELCRO.Cushion energy
Enough comfortablenesses for improving wearing personnel.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., all should wrap within the scope of the present invention.
Claims (5)
1. a kind of coal mine water flood rescuer with oxygen separating function, it is characterised in that：Including substrate, the side of the substrate is provided with
Brace, opposite side is provided with closed shell, and hydrogenperoxide steam generator chamber, manganese dioxide-catalyst are provided with the closed shell
Chamber, pure water cavity and valve box, the hydrogenperoxide steam generator chamber is connected by the way that pipe is added dropwise with manganese dioxide-catalyst chamber, is added dropwise
Regulating valve is provided with pipe, the regulating valve is located in valve room, and operation handle, the titanium dioxide are provided with the regulating valve
Escaping pipe is provided with the top of Mn catalyst chamber, the escaping pipe is extended to the bottom of pure water cavity, the pure water cavity
Top is provided with appendix, and the appendix is connected with diving mask, and control valve, the diving are provided with the appendix
Mask is placed in cylinder cnotainer for articles, and the cylinder cnotainer for articles is fixed on the top of substrate, and slide fastener is provided with cylinder cnotainer for articles, the peroxidating
Liquid-feeding tube is provided with hydrogen solution chamber, water injection pipe is provided with pure water cavity, be provided with the manganese dioxide-catalyst chamber and fill out
Material mouth.
2. a kind of coal mine water flood rescuer with oxygen separating function according to claim 1, it is characterised in that：The closed housing
Body is provided centrally with installing hole, and tubular shell is provided with the installing hole, and the bottom of the tubular shell is provided with flanging,
The flanging is fixed on substrate by dormant bolt, and in the tubular shell dividing plate is provided with, and tubular shell is divided into distribution
Chamber and airbag chamber, are provided with the first air bag with inflator module in the airbag chamber, the inflator module is fixed on dividing plate,
And igniter is additionally provided with dividing plate, the igniter is connected with inflator module, and first airbag fold is stored in air bag
In chamber, protection cap is stamped at the top of the airbag chamber, the power supply powered for igniter is provided with the distribution chamber, it is described close
The bottom of closed shell body is provided with ignition control switch；The middle and upper part of the brace is disposed with gasbag, the gasbag along brace
Interior folding storage has the second air bag, and second air bag is led to by communicating pipe with the first airbags.
3. a kind of coal mine water flood rescuer with oxygen separating function according to claim 2, it is characterised in that：The cylindrical case
Thermal insulation layer is provided between body and closed shell, the thermal insulation layer wraps up whole tubular shell.
4. a kind of coal mine water flood rescuer with oxygen separating function according to Claims 2 or 3, it is characterised in that：The cylinder
The open top of shape housing is horn-like.
5. a kind of coal mine water flood rescuer with oxygen separating function according to claim 1, it is characterised in that：On the substrate
Cushion is additionally provided with, the cushion is arranged on the side of brace by VELCRO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008677.5A CN106628062B (en) | 2017-01-12 | 2017-01-12 | A kind of coal mine water flood rescuer with oxygen separating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008677.5A CN106628062B (en) | 2017-01-12 | 2017-01-12 | A kind of coal mine water flood rescuer with oxygen separating function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106628062A true CN106628062A (en) | 2017-05-10 |
| CN106628062B CN106628062B (en) | 2018-10-09 |
Family
ID=58806997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611008677.5A Expired - Fee Related CN106628062B (en) | 2017-01-12 | 2017-01-12 | A kind of coal mine water flood rescuer with oxygen separating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106628062B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535850A (en) * | 2020-04-27 | 2020-08-14 | 孙凤秋 | Compressed oxygen self-rescuer easy for coal mine underground escape |
| CN113415396A (en) * | 2021-05-18 | 2021-09-21 | 陈妹 | Underwater rescue device with strong protectiveness |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3607066A (en) * | 1966-08-30 | 1971-09-21 | Varta Ag | Process for the production of hydrogen and oxygen gases |
| CN2658405Y (en) * | 2003-11-25 | 2004-11-24 | 王宏俊 | Multifunction chemical oxygen self-rescuer |
| CN201472296U (en) * | 2009-08-28 | 2010-05-19 | 张黎黎 | Underwater escape appliance |
| CN104554663A (en) * | 2015-01-08 | 2015-04-29 | 安徽师范大学 | Portable individual drowning lifesaving method and equipment |
| CN204846321U (en) * | 2015-07-29 | 2015-12-09 | 王砚俊 | Multi -functional survival kit |
| CN105346691A (en) * | 2015-08-21 | 2016-02-24 | 陈颂琪 | Swimming lifesaving tool |
-
2017
- 2017-01-12 CN CN201611008677.5A patent/CN106628062B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3607066A (en) * | 1966-08-30 | 1971-09-21 | Varta Ag | Process for the production of hydrogen and oxygen gases |
| CN2658405Y (en) * | 2003-11-25 | 2004-11-24 | 王宏俊 | Multifunction chemical oxygen self-rescuer |
| CN201472296U (en) * | 2009-08-28 | 2010-05-19 | 张黎黎 | Underwater escape appliance |
| CN104554663A (en) * | 2015-01-08 | 2015-04-29 | 安徽师范大学 | Portable individual drowning lifesaving method and equipment |
| CN204846321U (en) * | 2015-07-29 | 2015-12-09 | 王砚俊 | Multi -functional survival kit |
| CN105346691A (en) * | 2015-08-21 | 2016-02-24 | 陈颂琪 | Swimming lifesaving tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535850A (en) * | 2020-04-27 | 2020-08-14 | 孙凤秋 | Compressed oxygen self-rescuer easy for coal mine underground escape |
| CN113415396A (en) * | 2021-05-18 | 2021-09-21 | 陈妹 | Underwater rescue device with strong protectiveness |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106628062B (en) | 2018-10-09 |
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| 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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180813 Address after: 233500 Anhui Bozhou Mengcheng County Building Materials City 20 buildings four units 708 Applicant after: Li Shuai Address before: 271406 No. 4 Lane 22, Zhao Zhuang village, Heshan Town, Ningyang County, Tai'an, Shandong Applicant before: Wang Jialin |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 |