CN2859442Y - Half-finished product deposited device for firework and firecracker with safety self-destruction and automatic fire extinguisher - Google Patents
Half-finished product deposited device for firework and firecracker with safety self-destruction and automatic fire extinguisher Download PDFInfo
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- CN2859442Y CN2859442Y CN 200620023377 CN200620023377U CN2859442Y CN 2859442 Y CN2859442 Y CN 2859442Y CN 200620023377 CN200620023377 CN 200620023377 CN 200620023377 U CN200620023377 U CN 200620023377U CN 2859442 Y CN2859442 Y CN 2859442Y
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Abstract
This utility model relates to the production technique area of fireworks and firecracker, which is a semi-manufactured goods storing device in fireworks and crackers with safe self-destroy, auto fire-extinguishing device solving the problem that the safe self-destroy devices in semi-manufactured goods storing device of fireworks and crackers can not extinct naked fire around them. It comprises of support,cage-drawer-type case and safe self-destruction device. safe self-destruction device comprises of top cover, high presure water shell body and safe self-destruction device. Safe self-destruction device comprises of powder chamber filled with powder,quick burning lead wire which is connected with the powder and draw from the fireproof socket pipe and aque. High presure water shell body is double shell body , which comprises of the central chamber, ring chamber arranged safe self-destruction device. This utility model has thoroughly solved the explode and burning problem that happened in manufacturing and storing process of fireworks and crackers semi-manufactured goods due to unexpected fire source. the effect of extinguishing is notability for the safe self-destruction device has been tested by the designer for 13 years, and the self-extinguishing and self-destruction effect reaches 100%.
Description
Technical field
The utility model is a kind of fireworks and firecrackers production technical field, specifically is a kind of fireworks and firecrackers semi-finished product storage device with safety self-destruct, automatic fire extinguisher.
Background technology
In the production process of fireworks and firecrackers, powder charge, insert and draw, admittedly drawing and tying whip etc. all is one of high-risk operation, in order to keep the safety in production except that the each neck of control medicine quantity and to control and deposit the cartridge case cake quantity at every turn, independent operation worker-house or workbench also must be arranged, the other fire bucket of also placing of workbench, sand pocket, fire-fighting equipments such as water bag, the careless naked light that causes when operation, operating personnel need use these fire fighting devices to extinguish the blaze, but in reality, very fast because of the gunpowder detonation velocity, operating personnel often have little time to operate fire-extinguishing apparatus, are placed on workbench next door fireworks and firecrackers tube cake and blast, to people's injures and deaths, as cause and detonation can make whole workshop, storehouse collapses, and brick and tile are horizontal to fly, cause very big destruction and personnel casualty accidents, the safety in the fireworks and firecrackers production is the most scabrous problem during current fireworks and firecrackers is produced.Fireworks and firecrackers semi-finished product safe self-destruction device by the applicant invention has solved this problem effectively, but does not have an effect for the naked light that may exist on every side.And these naked lights might cause serial blast, also exist dangerous greatly.
Summary of the invention
The utility model is at the problem that has the naked light of fireworks and firecrackers semi-finished product safe self-destruction device around can not extinguishing in the prior art, and a kind of band safety self-destruct of naked light on every side, fireworks and firecrackers semi-finished product storage device of automatic fire extinguisher of can the explosive substance of self-destruction own effectively extinguishing again is provided.
The utility model is realized by following scheme, the fireworks and firecrackers semi-finished product storage device that has safety self-destruct, automatic fire extinguisher, comprise that top is equipped with the support of safe self-destruction device, several layers steaming utensil type case places support side, cage covers shower nozzle is housed, one end of tube connector links to each other with shower nozzle, and the other end links to each other with the aqueduct of safe self-destruction device.Safe self-destruction device comprises the top cover that the water filling pressurizing valve is housed, high-pressure water chamber housing and the safety destructor that cavity is offered in the bottom.Safety destructor comprises the medicine chamber that medicine is housed, quick burning lead-in wire and the aqueduct that links to each other and draw through fireproof casing with medicine.The high-pressure water chamber housing is a double cavity structure, comprises center cavity, ring cavity, and center cavity and ring cavity bottom all are provided with safety destructor, and the quick burning lead-in wire of each safety destructor links to each other and guides to the support below through rack leg.Quick burning lead-in wire free end is provided with windbell type waterproof ignition point.
Center cavity described in the utility model bottom is provided with a safety destructor, and type can be selected penetration type, check valve type.The ring cavity bottom can at least two safety destructors of uniform setting, can select penetration type, check valve type, shoot mark type, plug type, can select wherein a kind of, but also independent assortment.
Penetration type safety destructor described in the utility model comprises the tapered cap that communicates with the housing bottom cavity, be loaded on the puncture fin of the base that is threaded with the housing cavity top installation of cavity inside, puncture fin middle part is provided with the puncture aqueduct that passes the base bottom, the puncture aqueduct peripheral hardware pillar of puncture fin below, puncture aqueduct upper end tube wall is offered water-guiding hole, the housing bottom sidewall is provided with steam vent and communicates with its cavity, and the quick burning lead-in wire that an end links to each other with medicine is drawn through base.When fireworks and firecrackers is met naked light in processes such as production, accumulating, sale, the quick burning lead-in wire can be lighted and ignite the medicine that is contained in the medicine chamber, and the explosive force of generation acts on the puncture fin, the puncture fin is risen to upper punch, drive the puncture aqueduct simultaneously and rise, the speed of rising is exceedingly fast, and tapered cap is broken through, destroyed the enclosed construction of housing, water under high pressure is ejected on the effect medicine or propellant powder of fireworks and firecrackers from the puncture aqueduct, thereby makes it lose usefulness, has reached the purpose of self-destruction.
Check valve type safety destructor described in the utility model comprises unidirectional water guide valve, unidirectional water guide valve base below sets gradually medicine cake shell type medicine chamber, compacting medicine cake formula medicine, the medicine cake sheath that is placed in the aqueduct outer wall from top to bottom, in the unidirectional water guide valve is spring, unidirectional water guide valve body is threaded with the cavity of housing bottom, medicine cake cover sidewall is provided with passage, and aqueduct upper end tube wall is offered water-guiding hole.When fireworks and firecrackers is met naked light in processes such as production, accumulating, sale, the quick burning lead-in wire can be lighted compacting medicine cake, medicine cake sheath and aqueduct rise to upper punch under spring action, valve gap is by jack-up, unidirectional water guide opening of valves, water under high pressure is ejected on the effect medicine or propellant powder of fireworks and firecrackers from aqueduct, thereby makes it lose usefulness, has reached the purpose of self-destruction.
Shoot mark type safety destructor described in the utility model comprises the hollow ball cap of housing bottom cavity top, the shoot mark groove is offered in cap body bottom, the aqueduct that the bottom pipe end passes base is loaded on inside, medicine chamber, the quick burning lead-in wire that one end links to each other with medicine is drawn through aqueduct, aqueduct is loaded on medicine chamber one end tube wall and offers water-guiding hole, and the other end is provided with shower nozzle.When fireworks and firecrackers is met naked light in processes such as production, accumulating, sale, the quick burning lead-in wire can be lighted the ignition medicine, the explosive force that produces acts on the hollow ball cap of housing bottom cavity top, hollow ball cap is upwards dashed, the housing of sealing is destroyed, water under high pressure is ejected on the effect medicine or propellant powder of fireworks and firecrackers from aqueduct, thereby makes it lose usefulness, reaches the purpose of self-destruction.The shoot mark groove that cap body bottom is offered neither destroys sealing and the bearing capacity of housing for water under high pressure, can form a stress concentration point in hollow cap body bottom again, make the medicine blast after, than being easier to hollow ball cap is separated with housing.The cap body that has dashed through explosive force swims in the commanding elevation of water under high pressure all the time, can not stop up aqueduct.
Plug type safety destructor described in the utility model comprises the hollow cock body that the medicine top in the medicine chamber is provided with, between medicine and the hollow cock body rubber gasket is housed, rubber gasket is a barrel-like structure, at least two circular protrusions of outer wall setting, the aqueduct that the bottom pipe end is provided with shower nozzle and passes base is loaded on inside, medicine chamber, and tube wall is offered water-guiding hole, establishes between aqueduct top pipe end and the rubber gasket at interval, the quick burning lead-in wire that one end links to each other with medicine is drawn through aqueduct.When fireworks and firecrackers is met naked light in processes such as production, accumulating, sale, the quick burning lead-in wire can be lighted the ignition medicine, the explosive force that produces acts on the hollow cock body and the rubber gasket of top, medicine chamber, and it is dashed, that seals is destructurized, water under high pressure is ejected on the effect medicine or propellant powder of fireworks and firecrackers from aqueduct, thereby makes it lose usefulness, reaches the purpose of self-destruction.Aqueduct can not stopped up in the commanding elevation that hollow cock body that has dashed through explosive force and rubber gasket swim in water under high pressure all the time.
Inject water under high pressure in the high-pressure water chamber described in the utility model, the chemical agent of fire extinguishing usefulness also can be housed as required.The steaming utensil type case is made up of several layers, can place a tube cake or other fireworks semi-finished product for every layer.When the workman operates in operations such as knot whip, when causing naked light because of burning things which may cause a fire disaster, friction, bump, the quick burning lead-in wire is lighted, ignite the medicine in the dress safety destructor immediately, water under high pressure is ejected on the steaming utensil type case immediately and on the naked light on every side, makes the whole self-destructions of fireworks and firecrackers semi-finished product that are mounted in it, forfeiture blast usefulness, and the naked light around extinguishing, eliminate potential potential safety hazard.
Have the ventilation spilled water hole on the steaming utensil type case of the present utility model, after self-desttruction equipment was detonated, the water under high pressure of ejection can go downstream from its hole, rapidly the fireworks and firecrackers semi-finished product in the box was soaked.
Water filling pressurizing valve described in the utility model and rubber stopper sealed cast prevent that air pressure from reducing, and influences the spouting velocity and the self-destruction usefulness of water under high pressure.
Advantage of the present utility model and effect:
1, fireworks and firecrackers semi-finished product in producing each process have thoroughly been solved because the not blast and the burning that cause of open flame source.The safety destructor of center cavity communicates with being contained in interior fireworks and firecrackers half one-tenth of each steaming utensil type case, and one works as chance naked light safe self-destruction device lights automatically, and water under high pressure with the whole self-destructions of fireworks and firecrackers semi-finished product that are mounted in it, is lost blast usefulness.The safety destructor of ring cavity is also lighted rapidly simultaneously, and naked light is on every side put out by water, has avoided the serial blast that may cause.
2, fire extinguishing self-destruction effect is remarkable, and through inventor's up to ten thousand experiments over 13 years, the fire extinguishing effect reaches 100%.
3, manipulate standard, the workman takes out when doing pressing, operation such as knot whip etc., puts into the steaming utensil type case after having operated; Semifinished product warehouse and workbench are other all places the steaming utensil type case, has fundamentally solved the explosion accident that the fireworks and firecrackers semi-finished product cause.
Description of drawings
Fig. 1 is the structural representation of the fireworks and firecrackers semi-finished product storage device of band safety self-destruct, automatic fire extinguisher
Fig. 2 is the A-A cutaway view of Fig. 1
Fig. 3 is the B-B profile of Fig. 1
Fig. 4 is the structural representation of individual layer food steamer
Fig. 5 is the structural representation of cage lid
Fig. 6 is a penetration type safety destructor structural representation
Fig. 7 is the structural representation of check valve type safety destructor
Fig. 8 is the structural representation of shoot mark type safety destructor
Fig. 9 is the structural representation of plug type safety destructor
Figure 10 is the C portion enlarged drawing of Fig. 8
Figure 11 is the main TV structure schematic diagram of check valve type safety destructor medicine cake cover
Among the figure: 1-water filling pressurizing valve, 2-top cover, 3-housing, 4-center cavity, the 5-ring cavity, 6-support, 7-connector, 8-quick burning lead-in wire, the 9-tube connector, 10-shower nozzle, 11-steaming utensil type case, 12-fireproof casing, 13-windbell type waterproof ignition point, 14-rack leg, 15-cage lid, 16-safety destructor, the 17-steam vent, 18-medicine, 19-base, 20-pillar, the 21-fin that punctures, the 22-aqueduct, the 23-tapered cap, 24-medicine chamber, 25-water-guiding hole, the 26-valve gap, 27-valve body, 28-spring, the 29-valve seat, 30-medicine cake sheath, 31-compacting medicine cake, 32-medicine cake cover, 33-passage, the hollow ball cap of 34-, 35-shoot mark groove, the hollow cock body of 36-, 37-rubber gasket, the 38-circular protrusion, 39-rubber stopper, 40-spilled water hole.
The specific embodiment
With reference to the accompanying drawings embodiment is further described, present embodiment is to be used for illustrating of the present utility model, rather than the utility model is carried out any restriction.
The fireworks and firecrackers semi-finished product storage device of band safety self-destruct, automatic fire extinguisher, comprise that top is equipped with the support 6 of safe self-destruction device, several layers steaming utensil type case 11 places support 6 sides, on the cage lid 15 shower nozzle 10 is housed, one end of tube connector 9 links to each other with shower nozzle 10, and the other end links to each other with the aqueduct 22 of safe self-destruction device.Safe self-destruction device comprises the top cover 2 that water filling pressurizing valve 1 is housed, high-pressure water chamber housing 3 and the safety destructor 16 that cavity is offered in the bottom.Safety destructor 16 comprises the medicine chamber 24 that medicine 18 is housed, quick burning lead-in wire 8 and the aqueduct 22 that links to each other and draw through fireproof casing 12 with medicine 18.High-pressure water chamber housing 3 is a double cavity structure, comprises center cavity 4, ring cavity 5, and center cavity 4 and ring cavity 5 bottoms all are provided with safety destructor 16, and the quick burning lead-in wire 8 of each safety destructor 16 links to each other and guides to support 6 belows through rack leg 14.Quick burning 8 free ends that go between are provided with windbell type waterproof ignition point 13.
The center cavity bottom is provided with a safety destructor 16, and type can be selected penetration type, check valve type.Ring cavity plug type can be selected wherein a kind of, but also independent assortment.
The penetration type safety destructor comprises the tapered cap 23 that communicates with housing 3 bottom cavity, be loaded on the puncture fin 21 of base 19 tops that are threaded with the housing 3 cavitys installation of cavity inside, puncture fin 21 middle parts are provided with the puncture aqueduct 22 that passes base 19 bottoms, the puncture aqueduct 22 peripheral hardware pillars 20 of puncture fin 21 belows, puncture aqueduct 22 upper end tube walls are offered water-guiding hole 25, housing 3 bottom sidewalls are provided with steam vent 17 and communicate with its cavity, and quick burning that an end links to each other with medicine 18 lead-in wire 8 is drawn through base 19.
Check valve type safety destructor comprises unidirectional water guide valve, unidirectional water guide valve base 29 belows set gradually the medicine cake that is placed in aqueduct 22 outer walls from top to bottom and overlap 32 formula medicine chambeies, compacting medicine cake 31 formula medicines, medicine cake sheath 30, in the unidirectional water guide valve is spring 28, unidirectional water guide valve body 27 is threaded with the cavity of housing 3 bottoms, the medicine cake overlaps 32 sidewalls passage 33 is set, and aqueduct 22 upper end tube walls are offered water-guiding hole 25.
Shoot mark type safety destructor comprises the hollow ball cap 34 of housing 3 bottom cavity top, shoot mark groove 35 is offered in cap body bottom, the aqueduct 22 that the bottom pipe end passes base 19 is loaded on 24 inside, medicine chamber, quick burning that one end links to each other with medicine 18 lead-in wire 8 is drawn through aqueduct 22, aqueduct 22 is loaded on medicine chamber 24 1 end tube walls and offers water-guiding hole 25, and the other end is provided with shower nozzle 10.
Plug type safety destructor comprises the hollow cock body 36 that medicine 18 tops in the medicine chamber 24 are provided with, between medicine 18 and the hollow cock body 36 rubber gasket 37 is housed, rubber gasket 37 is a barrel-like structure, at least two circular protrusions of outer wall setting 38, the aqueduct 22 that the bottom pipe end is provided with shower nozzle 10 and passes base 19 is loaded on 24 inside, medicine chamber, tube wall is offered water-guiding hole 25, establish between aqueduct 22 top pipe ends and the rubber gasket 37 at interval, the quick burning lead-in wire 8 that one end links to each other with medicine 8 is drawn through aqueduct 22.
After injecting water under high pressure in the high-pressure water chamber housing 3, the chemical agent of fire extinguishing usefulness can be housed as required also, rubber stopper 39 is added a cover in the cast sealing; Have ventilation spilled water hole 40 on the steaming utensil type case 11, steaming utensil type case 11 is made up of several layers, can place a tube cake or fireworks semi-finished product for every layer.When the workman operates in operations such as knot whip, when causing naked light because of burning things which may cause a fire disaster, friction, bump, the quick burning lead-in wire is lighted, ignite the medicine 18 in the dress safety destructor 16 immediately, water under high pressure is ejected in the steaming utensil type case 11 immediately and on the naked light on every side, makes the whole self-destructions of fireworks and firecrackers semi-finished product that are mounted in it, forfeiture blast usefulness, and the naked light around extinguishing, eliminate potential potential safety hazard.
Claims (8)
1, a kind of band safety self-destruct, the fireworks and firecrackers semi-finished product storage device of automatic fire extinguisher, comprise that top is equipped with the support of safe self-destruction device (6), several layers steaming utensil type case (11) places support (6) below, on the cage lid (15) shower nozzle (10) is housed, one end of tube connector (9) links to each other with shower nozzle (10), the other end links to each other with the aqueduct (22) of safe self-destruction device, safe self-destruction device comprises the top cover (2) that water filling pressurizing valve (1) is housed, the high-pressure water chamber housing (3) and the safety destructor (14) of cavity offered in the bottom, safety destructor (14) comprises the medicine chamber (24) that medicine (18) is housed, the quick burning lead-in wire (8) and the aqueduct (22) that link to each other and draw with medicine (18) through fireproof casing (12), it is characterized in that high-pressure water chamber housing (3) is a double cavity structure, comprise center cavity (4), ring cavity (5), center cavity (4) and ring cavity (5) bottom all are provided with safety destructor (14), and the quick burning lead-in wire (8) of each safety destructor (14) links to each other and guides to support (6) below through rack leg (14).
2, the fireworks and firecrackers semi-finished product storage device of band safety self-destruct according to claim 1, automatic fire extinguisher is characterized in that quick burning lead-in wire (8) free end is provided with windbell type waterproof ignition point (13).
3, band safety self-destruct according to claim 1, the fireworks and firecrackers semi-finished product storage device of automatic fire extinguisher, the safety destructor (14) that it is characterized in that center cavity (4) bottom comprises the tapered cap (23) that communicates with housing (3) bottom cavity, be loaded on the puncture fin (21) of the base (19) that is threaded with housing (3) the cavity top installation of cavity inside, puncture fin (21) middle part is provided with the puncture aqueduct (22) that passes base (19) bottom, puncture aqueduct (22) the peripheral hardware pillar (20) of puncture fin (21) below, puncture aqueduct (22) upper end tube wall is offered water-guiding hole (25), housing (3) bottom sidewall is provided with steam vent (17) and communicates with its cavity, and the quick burning lead-in wire (8) that an end links to each other with medicine (18) is drawn through base (19).
4, band safety self-destruct according to claim 1, the fireworks and firecrackers semi-finished product storage device of automatic fire extinguisher, the safety destructor (14) that it is characterized in that center cavity (4) bottom comprises unidirectional water guide valve, unidirectional water guide valve base (29) below sets gradually medicine cake cover (32) the formula medicine chamber that is placed in aqueduct (22) outer wall from top to bottom, compacting medicine cake (31) formula medicine, medicine cake sheath (30), in the unidirectional water guide valve is spring (28), unidirectional water guide valve body (27) is threaded with the cavity of housing (3) bottom, medicine cake cover (32) sidewall is provided with passage (33), and aqueduct (22) upper end tube wall is offered water-guiding hole (25).
5, band safety self-destruct according to claim 1, the fireworks and firecrackers semi-finished product storage device of automatic fire extinguisher, the safety destructor (14) that it is characterized in that ring cavity (5) bottom comprises the hollow ball cap (34) of housing (3) bottom cavity top, shoot mark groove (35) is offered in cap body bottom, the aqueduct (22) that the bottom pipe end passes base (19) is loaded on inside, medicine chamber (24), the quick burning lead-in wire (8) that one end links to each other with medicine (18) is drawn through aqueduct (22), aqueduct (22) is loaded on medicine chamber (24) one end tube walls and offers water-guiding hole (25), and the other end is provided with shower nozzle (10).
6, band safety self-destruct according to claim 1, the fireworks and firecrackers semi-finished product storage device of automatic fire extinguisher, it is characterized in that ring cavity (5) bottom safety destructor (14) comprise the hollow cock body (36) that medicine (18) top in the medicine chamber (24) is provided with, between medicine (18) and the hollow cock body (36) rubber gasket (37) is housed, rubber gasket (37) is a barrel-like structure, at least two circular protrusions of outer wall setting (38), the aqueduct (22) that the bottom pipe end is provided with shower nozzle (10) and passes base (19) is loaded on inside, medicine chamber (24), tube wall is offered water-guiding hole (25), establish between aqueduct (22) top pipe end and the rubber gasket (37) at interval, the quick burning lead-in wire (8) that one end links to each other with medicine (8) is drawn through aqueduct (22).
7, band safety self-destruct according to claim 1, the fireworks and firecrackers semi-finished product storage device of automatic fire extinguisher, the safety destructor (14) that it is characterized in that ring cavity (5) bottom comprises the tapered cap (23) that communicates with housing (3) bottom cavity, be loaded on the puncture fin (21) of the base (19) that is threaded with housing (3) the cavity top installation of cavity inside, puncture fin (21) middle part is provided with the puncture aqueduct (22) that passes base (19) bottom, puncture aqueduct (22) the peripheral hardware pillar (20) of puncture fin (21) below, puncture aqueduct (22) upper end tube wall is offered water-guiding hole (25), the lower end is provided with shower nozzle (10), and housing (3) bottom sidewall is provided with steam vent (17) and communicates with its cavity.
8, band safety self-destruct according to claim 1, the fireworks and firecrackers semi-finished product storage device of automatic fire extinguisher, the safety destructor (14) that it is characterized in that ring cavity (5) bottom comprises unidirectional water guide valve, unidirectional water guide valve base (29) below sets gradually medicine cake cover (32) the formula medicine chamber that is placed in aqueduct (22) outer wall from top to bottom, compacting medicine cake (31) formula medicine, medicine cake sheath (30), in the unidirectional water guide valve is spring (28), unidirectional water guide valve body (27) is threaded with the cavity of housing (3) bottom, medicine cake cover (32) sidewall is provided with passage (33), aqueduct (22) upper end tube wall is offered water-guiding hole (25), the lower end is provided with shower nozzle (10), and the quick burning lead-in wire (8) that an end links to each other with medicine (18) is drawn through base (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023377 CN2859442Y (en) | 2006-01-15 | 2006-01-15 | Half-finished product deposited device for firework and firecracker with safety self-destruction and automatic fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023377 CN2859442Y (en) | 2006-01-15 | 2006-01-15 | Half-finished product deposited device for firework and firecracker with safety self-destruction and automatic fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2859442Y true CN2859442Y (en) | 2007-01-17 |
Family
ID=37612301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620023377 Expired - Lifetime CN2859442Y (en) | 2006-01-15 | 2006-01-15 | Half-finished product deposited device for firework and firecracker with safety self-destruction and automatic fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2859442Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417912C (en) * | 2006-01-15 | 2008-09-10 | 赵子刚 | Storage device with self-destroying and fire self-extinguishing device for semi-finished product of firework and firecracker |
-
2006
- 2006-01-15 CN CN 200620023377 patent/CN2859442Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417912C (en) * | 2006-01-15 | 2008-09-10 | 赵子刚 | Storage device with self-destroying and fire self-extinguishing device for semi-finished product of firework and firecracker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080910 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |