CN113607001A - Flame-retardant corrugated paper capable of buffering impact for firecrackers and fireworks - Google Patents

Flame-retardant corrugated paper capable of buffering impact for firecrackers and fireworks Download PDF

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Publication number
CN113607001A
CN113607001A CN202111036145.3A CN202111036145A CN113607001A CN 113607001 A CN113607001 A CN 113607001A CN 202111036145 A CN202111036145 A CN 202111036145A CN 113607001 A CN113607001 A CN 113607001A
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CN
China
Prior art keywords
bag
flame
corrugated paper
blasting
salute
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Granted
Application number
CN202111036145.3A
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Chinese (zh)
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CN113607001B (en
Inventor
柳铭贡
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Shangli Pingfeng Paper Co ltd
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Shangli Pingfeng Paper Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B4/00Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30Multi-ply
    • D21H27/40Multi-ply at least one of the sheets being non-planar, e.g. crêped

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)

Abstract

The invention discloses impact-buffering flame-retardant corrugated paper for firecrackers, which comprises a corrugated paper board and a salute, wherein the corrugated paper board is composed of an exposed paper board, a corrugated core and a joint paper board, the corrugated paper board is coated and adhered to the outer wall of the salute, a plurality of buffer areas are arranged between the corrugated core and the joint paper board, blasting bags are respectively arranged at the inner bottom parts of the buffer areas, aqueous solutions for increasing weight are respectively stored in the blasting bags, bubble bags are respectively arranged in the buffer areas above the blasting bags, and the bubble bags are inflated and expanded.

Description

Flame-retardant corrugated paper capable of buffering impact for firecrackers and fireworks
Technical Field
The invention relates to the technical field of flame-retardant corrugated paper, in particular to impact-buffering flame-retardant corrugated paper for firecrackers and fireworks.
Background
Corrugated paper is commonly used as a packing carton, also called as a cardboard, and the corrugated board is a multi-layer adhesive body which is formed by adhering at least one corrugated paper layer and one cardboard layer, and has high mechanical strength and light weight when being used for external packing, so that the corrugated board is convenient to move and transport.
At the gun salute, make more firecrackers and fireworks and firecrackers etc. mostly make and carry out the extranal packing through corrugated container board, with the outer wall of its cladding gun salute, beautifully just be convenient for place and transport, but the easy spontaneous combustion explosion is being deposited to fireworks and firecrackers etc. for the chain explosion of surplus gun tube, make the gun salute take place to empty, make the gun salute upset in disorder explode and launch fireworks, cause very big loss, the easy accidental injury sight, the urgent need for a corrugated container board that can slow impact.
Therefore, in order to improve the problems, the inventor provides the flame-retardant corrugated paper capable of buffering the impact for the firecrackers and the fireworks.
Disclosure of Invention
The invention aims to provide the impact-buffering flame-retardant corrugated paper for firecrackers and fireworks, which has the advantages of relieving impact force by using gas and liquid, reducing the center of gravity, preventing salute from toppling over, and extinguishing a spontaneous-combustion gun barrel, and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the flame-retardant corrugated paper capable of buffering the impact for firecrackers comprises a corrugated paper board and a fireworks, wherein the corrugated paper board consists of an exposed paper board, a corrugated core and a laminating paper board, the corrugated paper board is coated and adhered to the outer wall of the fireworks, a plurality of buffering areas are arranged between the corrugated core and the laminating paper board, blasting bags are arranged at the inner bottom of the buffering areas, and water solution for increasing the weight is stored in the plurality of blasting bags;
and the buffer areas above the blasting bags are internally provided with air bubble bags, and the air bubble bags are inflated and expanded.
Preferably, there are a plurality of idle regions between exposure cardboard and the flute core, the inside water storage bag of all installing in idle region is a plurality of communicate each other between the water storage bag, a plurality of mounting grooves have been seted up to the outer wall of flute core, and is a plurality of the connector is all installed to the mounting groove is inside, and is every adjacent communicate through the connector between water storage bag and the blasting bag.
Preferably, the connector comprises the hose, the both ends of hose respectively with adjacent the powerful adhesion of outer wall of water storage bag and blasting bag, the highest point of water storage bag and the highest point of gun salute are equal height, one of them the water filling hole has been seted up at the top of water storage bag, the inside stopper in water filling hole has the rubber buffer.
Preferably, the gas filled in the bubble bag is carbon dioxide, the outer wall of the attaching paperboard close to the bubble bag is a transverse and longitudinal array and penetrates through the attaching paperboard, a plurality of air leakage ports are formed in the attaching paperboard, the bubble bag is in a hollow cylindrical shape, and the cross-sectional area of the bubble bag is smaller than that of the buffer area.
Preferably, the blasting capsule is made of rubber materials, the blasting capsule expands after being injected with water, and the height of the blasting capsule after being injected with water is higher than that of the gun powder cavity.
Preferably, the gun barrels of the salute are separated by corrugated paper boards, and the buffer areas between the gun barrels are also provided with bursting bags.
Preferably, the outer wall of the attached paperboard close to the salute is coated with a flame-retardant coating.
Preferably, the bottom of corrugated container board is higher than the bottom of salute, the bottom of salute is arranged and is had the lead wire, install the baffle between blasting bag and the lead wire.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the space structure of the corrugated board is fully utilized through the matching of the water storage bag, the bursting bag and the corrugated board, so that a large amount of aqueous solution can be stored, the weight of the salute can be effectively increased, and the salute is prevented from being inclined and damaged by people due to huge impact force generated by the salute during abnormal explosion.
Secondly, the invention can cause the dissolution to break when burning by arranging the blasting capsule, and at the moment of breaking, the water flow can be sprayed out to soak the attached paper board, thereby preventing the corrugated paper board from burning together, and simultaneously, the invention can also cause the water to soak the bottom of the gun barrel of the salute, so that the soil filling layer and the combustion chamber inside the gun barrel are soaked until the combustion is stopped, thereby preventing the spontaneous combustion from generating huge damage.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of a half-section perspective structure of the present invention;
FIG. 5 is a right side view schematic of the present invention;
FIG. 6 is a schematic view of the present invention taken along line B-B of FIG. 5;
FIG. 7 is a schematic cross-sectional view taken along line C-C of FIG. 5 in accordance with the present invention;
FIG. 8 is an enlarged view of the structure of FIG. 7 at D according to the present invention;
FIG. 9 is a schematic structural diagram of another embodiment of the present invention.
In the figure: 1. exposing the paperboard; 2. a corrugated core; 3. pasting a paperboard; 4. a bubble bag; 5. mounting grooves; 6. a water storage bag; 7. bursting the capsule; 8. and air leakage ports.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: the utility model provides a fire-retardant corrugated paper that firecracker fireworks are with can slow shock, includes by exposing corrugated container board and the gun salute that cardboard 1, flute core 2 and laminating cardboard 3 are constituteed, corrugated container board cladding glue with the outer wall at the gun salute, there are a plurality of buffer areas between flute core 2 and the laminating cardboard 3, and blast bag 7 is all installed to buffer area's interior bottom, and the aqueous solution that is used for increasing weight is all deposited in a plurality of blast bags 7's inside.
Saluting gun is when the packing, still can attach one deck protecting paper at the top of saluting gun, seal the barrel mouth of saluting gun, still can attach one deck film outside the protecting paper, thereby can prevent damp, seal corrugated container board's top through the protecting paper, when needs are preserved, we fill water with the inside of water storage bag 6, because water storage bag 6, constitute the linker between connector and the blasting bag 7, make every inside of blasting bag 7 can both be filled with the aqueous solution, and blasting bag 7 can expand under the pressure of water, thereby can make the weight increase of saluting gun, and because the existence of water storage bag 6, can also make the focus of saluting gun shift downwards, thereby make the saluting gun avoid its emergence to empty when the emergence is exploded.
When the gun barrel of the salute is spontaneously combusted, the internal temperature of the salute rises, so that the water storage bag 6 is broken, the internal aqueous solution is sprayed to the outside under the action of pressure, the aqueous solution can infiltrate the spontaneously combusted gun barrel due to the setting of the height of the water storage bag, and meanwhile, a combustion chamber of the nearby gun barrel can be damaged, so that the gun barrel is prevented from being subjected to chain explosion, and huge loss is caused.
This mode not only is applicable to the save, when we are using, can keep the stability of salute when the transmission through the water injection, carries out the stack cooperation in the weight rather than self to can prevent that the salute from leading to the fact because the impact force from empting when using, causing the injury to the sight.
The air bubble bags 4 are arranged in the buffer area above the blasting bag 7, and the air bubble bags 4 are inflated and expanded.
By inflating and expanding the inside of the air bladder 4, it is possible to further alleviate the impact force generated in use.
Further, expose and have a plurality of idle regions between cardboard 1 and the flute core 2, water storage bag 6 is all installed to the inside in idle region, communicates each other between a plurality of water storage bags 6, and a plurality of mounting grooves 5 have been seted up to the outer wall of flute core 2, and the connector is all installed to a plurality of mounting grooves 5 inside, communicates through the connector between every adjacent water storage bag 6 and the blasting bag 7.
Make up into a large capacity water receiver through making a plurality of water storage bag 6, and water storage bag 6 highly is higher than blasting bag 7, make after will blasting bag 7 fills up water, when one of them blasting bag 7 is heated and takes place the dissolution of certain department and breaks, at that cracked moment, rivers can spray and go out, will laminate cardboard 3 soaks, prevent corrugated container board burning jointly, can also make water soak the barrel bottom of salute simultaneously, make the inside earth filling layer and the combustion chamber of barrel soak, until it stops burning, thereby can prevent that spontaneous combustion from producing huge destruction, wounded's ruined thing.
Further, the connector comprises a hose, the two ends of the hose are respectively strongly adhered to the outer walls of the adjacent water storage bags 6 and the adjacent blasting bags 7, the highest point of each water storage bag 6 is as high as the highest point of the salute, a water filling hole is formed in the top of one water storage bag 6, and a rubber plug is plugged in the water filling hole.
Through setting up the hose, can make the junction also can keep the function of connecting under the impact, can not receive the damage, through setting up the filler, conveniently can be to the inside water injection of water storage bag 6 and blasting bag 7 before depositing or using, we still can set up outlet hose passageway at the bottom of water storage bag 6 or the wall that is close to the bottom, conveniently drains it, conveniently gets to put and transport.
Further, the internal filling gas of the bubble bag 4 is carbon dioxide, the outer wall of the attaching paper board 3 close to the bubble bag 4 is a horizontal-vertical array and penetrates through the outer wall to be provided with a plurality of air leakage openings 8, the bubble bag 4 is in a hollow cylindrical shape, and the cross-sectional area of the bubble bag 4 is smaller than that of the buffer area.
When taking place the burning, high temperature can make the outer wall of bubble bag 4 take place to dissolve in high temperature gathering department and break to make carbon dioxide can blow to high temperature department through gas leakage port 8, make the oxygen concentration of high temperature burning department descend, reduce the abundant degree of burning, through the infiltration effect of cooperation blasting bag 7, can make and reach fire-retardant effect.
Further, the blasting capsule 7 is made of rubber materials, the blasting capsule 7 expands after being filled with water, and the height of the blasting capsule 7 after being filled with water is higher than that of the gun salute powder cavity.
Because the blasting bag 7 can take place the inflation after the water injection, when the water level of water storage bag 6 reached high water level, stoppered the filler for inside water has great pressure to the inner wall of blasting bag 7, when blasting bag 7 took place to dissolve and broke, at the cracked moment, rivers can spray and go out, will laminate cardboard 3 and soak, thereby soaks the barrel.
Furthermore, the gun barrels of the salute are separated by corrugated paper boards, and the buffer areas between the gun barrels are also provided with the bursting bags 7, so that the pertinence can be greatly increased, the non-spontaneous combustion gun barrels around the spontaneous combustion gun barrels can be soaked by water, the chain explosion spontaneous combustion can be prevented, the great loss is caused, and meanwhile, the impact force between the gun barrels can be well relieved.
Further, the outer wall of the attached paper board 3 near the salute is coated with a fire retardant coating, and the fire retardant material can prevent the attached paper board 3 from being rapidly ignited, but does not affect the rise of the internal temperature, so that the bubble bag 4 and the water storage bag 6 can have the reaction time and the condition of dissolution and rupture.
Further, corrugated container board's bottom is higher than the bottom of salute, and the bottom of salute is arranged there is the lead wire, installs the baffle between blasting bag 7 and the lead wire, sets up the baffle, causes the fracture of water storage bag 6 when preventing the lead wire burning, influences normal use.
Through the matching of the structures, the invention can relieve impact force of gas and liquid, lower the gravity center, prevent the salute from toppling over, extinguish fire and retard flame for the self-ignited gun barrel, and prevent the generation of chain explosion.
The working principle is as follows: this fire-retardant corrugated paper that can slow shock is used for fireworks, the salute is when the packing, still can attach one deck protecting paper at the top of salute, seal the barrel mouth of salute, still can attach one deck film outside the protecting paper, thereby can prevent damp, seal corrugated container board's top through the protecting paper, when needs are preserved, we fill water with the inside of water storage bag 06, because water storage bag 06, constitute the linker between connector and the blasting bag 7, make the inside of every blasting bag 7 can both be filled with aqueous solution, and blasting bag 7 can expand under the pressure of water, thereby can make the weight of salute increase, and because water storage bag 06's existence, can also make the focus of salute shift downwards, thereby make the salute avoid its emergence to empty when the emergence explosion.
When the gun barrel of the salute is spontaneously combusted, the internal temperature of the salute rises, so that the water storage bag 06 is broken, the internal aqueous solution is sprayed to the outside under the action of pressure, and the aqueous solution can infiltrate the spontaneously combusted gun barrel due to the setting of the height of the water storage bag, and a combustion chamber of the nearby gun barrel can be damaged, so that the linked explosion is prevented.
The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural components described in the specification and drawings may be obtained by processing without any doubt according to the common general knowledge in the art, and the connection manner of the respective parts is by the conventional means developed in the art, and the machines, parts and equipment are of the conventional type in the art, so that the detailed description thereof is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a fire-retardant corrugated paper that firecrackers fireworks are with buffering, includes by exposing corrugated container board and the gun salute that cardboard (1), flute core (2) and laminating cardboard (3) are constituteed, its characterized in that: the corrugated board is coated and adhered to the outer wall of the fireworks display, a plurality of buffer areas are arranged between the corrugated core (2) and the attaching paper board (3), blasting bags (7) are mounted at the inner bottom of the buffer areas, and water solution for increasing weight is stored in the blasting bags (7);
the interior of the buffer area above the blasting bag (7) is provided with a bubble bag (4), and the bubble bag (4) is inflated and expanded.
2. The flame-retardant corrugated paper capable of buffering impact for firecracker and fireworks as claimed in claim 1, wherein the flame-retardant corrugated paper comprises the following components in percentage by weight: expose and exist a plurality of idle regions between cardboard (1) and flute core (2), water storage bag (6) are all installed to the inside in idle region, and are a plurality of communicate each other between water storage bag (6), a plurality of mounting groove (5) have been seted up to the outer wall of flute core (2), and are a plurality of the connector is all installed to mounting groove (5) inside, and every is adjacent through the connector intercommunication between water storage bag (6) and the blasting bag (7).
3. The flame-retardant corrugated paper capable of buffering impact for firecracker and fireworks as claimed in claim 2, wherein: the connector comprises the hose, the both ends of hose respectively with adjacent the powerful adhesion of outer wall of water storage bag (6) and blasting bag (7), the highest point of water storage bag (6) and the peak of salute are equal height, one of them the water filling hole has been seted up at the top of water storage bag (6), the inside stopper in water filling hole has the rubber buffer.
4. The flame-retardant corrugated paper capable of buffering impact for firecracker and fireworks as claimed in claim 1, wherein the flame-retardant corrugated paper comprises the following components in percentage by weight: the inside filling gas of bubble bag (4) is carbon dioxide, just laminating cardboard (3) is horizontal vertical array near the outer wall of bubble bag (4) and runs through and has seted up a plurality of gas leaks mouth (8), bubble bag (4) be hollow circular cylinder, just the cross-sectional area of bubble bag (4) is less than the buffer area cross-sectional area.
5. The flame-retardant corrugated paper capable of buffering impact for firecracker and fireworks as claimed in claim 2, wherein: the blasting bag (7) is made of rubber materials, the blasting bag (7) can expand after water is injected, and the height of the blasting bag (7) after water is injected is higher than that of a gun powder cavity of the salute.
6. The flame-retardant corrugated paper capable of buffering impact for firecracker and fireworks as claimed in claim 1, wherein the flame-retardant corrugated paper comprises the following components in percentage by weight: the gun barrels of the salute are separated by corrugated paper boards, and the buffer area between the gun barrels is also provided with a bursting bag (7).
7. The flame-retardant corrugated paper capable of buffering impact for firecracker and fireworks as claimed in claim 1, wherein the flame-retardant corrugated paper comprises the following components in percentage by weight: the outer wall of the attaching paper board (3) close to the salute is coated with flame retardant coating.
8. The flame-retardant corrugated paper capable of buffering impact for firecracker and fireworks as claimed in claim 1, wherein the flame-retardant corrugated paper comprises the following components in percentage by weight: the bottom of corrugated container board is higher than the bottom of salute, the bottom of salute is arranged there is the lead wire, install the baffle between blasting bag (7) and the lead wire.
CN202111036145.3A 2021-09-03 2021-09-03 Flame-retardant corrugated paper capable of buffering impact for firecrackers and fireworks Active CN113607001B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115032686A (en) * 2022-05-20 2022-09-09 江苏名欧精密机械有限公司 Geophone device for geophysical exploration in hole

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104924681A (en) * 2015-06-25 2015-09-23 苏州瑞奇丽新材料有限公司 Cellular buffer paperboard
KR102043673B1 (en) * 2018-11-20 2019-11-12 (주)예인디자인팩 A corrugated board with air cap
CN110562582A (en) * 2019-10-21 2019-12-13 邳州市玖寇商贸有限公司 Fireworks explosion-proof safe storage and transportation packing box for propaganda
CN111204082A (en) * 2020-02-14 2020-05-29 广州德初科技有限公司 High-strength flame-retardant corrugated board
CN211041955U (en) * 2019-12-03 2020-07-17 浏阳市亚太出口烟花制造有限公司 Flame character firework structure
CN113619246A (en) * 2021-07-23 2021-11-09 温州富翔包装有限公司 Corrugated paper board
CN216183508U (en) * 2021-10-27 2022-04-05 浙江希望包装有限公司 Hot-pressing type flame-retardant corrugated board

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104924681A (en) * 2015-06-25 2015-09-23 苏州瑞奇丽新材料有限公司 Cellular buffer paperboard
KR102043673B1 (en) * 2018-11-20 2019-11-12 (주)예인디자인팩 A corrugated board with air cap
CN110562582A (en) * 2019-10-21 2019-12-13 邳州市玖寇商贸有限公司 Fireworks explosion-proof safe storage and transportation packing box for propaganda
CN211041955U (en) * 2019-12-03 2020-07-17 浏阳市亚太出口烟花制造有限公司 Flame character firework structure
CN111204082A (en) * 2020-02-14 2020-05-29 广州德初科技有限公司 High-strength flame-retardant corrugated board
CN113619246A (en) * 2021-07-23 2021-11-09 温州富翔包装有限公司 Corrugated paper board
CN216183508U (en) * 2021-10-27 2022-04-05 浙江希望包装有限公司 Hot-pressing type flame-retardant corrugated board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115032686A (en) * 2022-05-20 2022-09-09 江苏名欧精密机械有限公司 Geophone device for geophysical exploration in hole

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