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EP3306261B1 - Feux d'artifice ainsi qu'assemblage de feux d'artifice - Google Patents

Feux d'artifice ainsi qu'assemblage de feux d'artifice Download PDF

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Publication number
EP3306261B1
EP3306261B1 EP17192521.7A EP17192521A EP3306261B1 EP 3306261 B1 EP3306261 B1 EP 3306261B1 EP 17192521 A EP17192521 A EP 17192521A EP 3306261 B1 EP3306261 B1 EP 3306261B1
Authority
EP
European Patent Office
Prior art keywords
firework
outer sleeve
fireworks
cylindrical casing
cylindrical
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.)
Not-in-force
Application number
EP17192521.7A
Other languages
German (de)
English (en)
Other versions
EP3306261A1 (fr
Inventor
Peipei ZHOU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panda Consumer GmbH
Original Assignee
Panda Consumer GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panda Consumer GmbH filed Critical Panda Consumer GmbH
Publication of EP3306261A1 publication Critical patent/EP3306261A1/fr
Application granted granted Critical
Publication of EP3306261B1 publication Critical patent/EP3306261B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • F42B4/04—Firecrackers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • F42B4/02—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes in cartridge form, i.e. shell, propellant and primer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • F42B4/06—Aerial display rockets
    • F42B4/14—Aerial display rockets characterised by having plural successively-ignited charges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • F42B4/22—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes characterised by having means to separate article or charge from casing without destroying the casing

Definitions

  • the invention relates to a fireworks body having the features of the preamble of claim 1.
  • EP 2 669 618 A1 discloses such a firecracker. It further relates to a fireworks assembly having at least one such fireworks body.
  • Firecrackers are generally very popular. They are fired on the occasion of larger holidays, such as city festivals, weddings or the like, then often by professional fireworks. But they are also used by private individuals, usually for New Year's Eve celebration and the dawn of the new year.
  • categorization generally being made according to what is known as the net explosive mass that a firecracker contains.
  • Category 3 and 4 firecrackers may then only be detonated by trained fireworks.
  • net explosive mass is summed up by the masses of different explosive materials grouped together in a firecracker. These include propellant charges to eject the fireworks from a launch tube or the like, or to rise as firecrackers into the sky, burster charges to disassemble the fireworks, and pyrotechnic effect elements that cause the typical colored and / or glittering light effects.
  • Typical elements of fireworks of category 2 are so-called bombettes, which are often grouped in so-called batteries. These are cylindrical firecrackers which are arranged in receiving tubes of the so-called battery, can be ejected from below the bombs propellant charges from the receiving tubes of the battery and fired into the sky. These bombettes have in their interior a Zerlegerladung, which is ignited delayed, so that the Bombette explodes after reaching a rise in the sky, wherein contained in the Bombette pyrotechnic effect bodies are ignited and give light effects in the sky.
  • a battery may only contain a maximum of 500 g net explosive mass, whereby the already mentioned and 25 g net explosive mass per fireworks shot must not be exceeded.
  • a fireworks body which can be designed as a Category 2, so as a usable end consumer fireworks, and thereby diverge after ignition in the sky, the pyrotechnic effect body in predetermined geometrical patterns and so patterns and Draw characters to the sky.
  • a fireworks body should be feasible in the form of a so-called bombette.
  • Another object of the invention is a fireworks body arrangement specify with one, in particular with several, novel fireworks, so that, for example, a battery can be formed with bombettes that can produce corresponding effects of lighting technology type with geometric patterns.
  • the invention has a firecracker - this initially consistent with the known fireworks according to the prior art as US 2005/066837 A1 and EP 1 345 004 A1 -
  • the dam material may be a plug of compacted earth material or a clay material or the like in the usual way.
  • the fireworks also has a plurality of pyrotechnic effect bodies disposed within the outer sleeve.
  • These pyrotechnic effect bodies can cause a variety of lighting effects, on the one hand in different colors, on the other hand, with or without a flash effect or the like. In particular, they can also cause each other different light effects, that is, each shine in different colors or partially glitter or permanent or the like.
  • the fireworks further has a burster charge disposed within the outer sleeve for rupturing the outer sleeve and for dispersing the pyrotechnic effect bodies apart.
  • a burster charge disposed within the outer sleeve for rupturing the outer sleeve and for dispersing the pyrotechnic effect bodies apart.
  • it has a dam material on a first end face of the two end faces penetrating and guided to the bursting charge first ignition line.
  • This first ignition line serves to ignite, in particular delayed, the bursting charge, in particular then, when the fireworks is fired with a propellant charge in the sky, this first ignition line in terms of their delay is such that the Zerlegerladung ignited only after reaching a predetermined pitch of the fireworks body, so that the pyrotechnic light effect caused by the pyrotechnic effect body, in a sufficient height in the sky is achieved.
  • the special feature of the fireworks invention is now that the Zerlegerladung is housed inside a completely sealed, cylindrical shell, said cylindrical shell is arranged coaxially with the outer sleeve in such a way that the longitudinal center axes of the outer sleeve and the cylindrical shell coincide , A collapse of the longitudinal central axes does not have to be exactly on one and the same line, but it suffices an approximate collapse of these longitudinal central axes, so that the cylindrical shell in which the Zerlegerladung is received, with respect to the orientation transverse to the longitudinal direction substantially centrally in the interior cylinder jacket-shaped outer sleeve is arranged.
  • a defined cylindrical casing is formed in the fireworks invention, in which the Zerlegerladung is included.
  • the first ignition lead is passed through an opening in the shell to the bursting charge. This is particularly necessary because the wall of the cylindrical shell does not absorb and burn the spark, so that the bursting charge would be ignited immediately. Rather, the wall of the cylindrical casing compared to the known paper bags is much stiffer and dimensionally stable, so that the cylindrical shell receives its cylindrical shape. This is achieved by stronger wall material, which is just not penetrated by a spark of the ignition cable.
  • the invention provides that the pyrotechnic effect body in the interior of the sleeve and outside the cylindrical shell, ie outside the Zerlegerladung between a cylindrical side wall of the cylindrical shell and a cylindrical side wall of the outer sleeve, in at least one transversely, in particular perpendicular to the longitudinal central axis of the outer sleeve extending plane, are arranged to a predetermined geometric figure.
  • the geometric figure, to which the pyrotechnic effect bodies are arranged then predefines the figure or symbol, which is drawn in the sky after ignition of the bursting charge with the diverging, burning effect bodies.
  • pyrotechnic effect bodies are arranged, for example, in a circular shape in a plane which is oriented transversely, in particular perpendicular to the longitudinal center axis of the cylindrical casing within which the disintegrating charge is arranged, then effect bodies are ignited after ignition of the disintegrating charge on the one hand and on account of the predetermined geometry of their arrangement on the other hand, due to the given geometry, in which the Zerlegerladung is arranged in the cylindrical casing, very precisely driven evenly outwards, so that the circular shape is maintained even when driving apart the pyrotechnic effect body and their burning. In the sky a luminous and growing circle will be visible.
  • the special feature of the invention is that the arrangement of the Zerlegerladung in a clearly defined in their geometry cylindrical shell even in a confined space and with limited amount of net explosive mass of the Zerlegerladung a defined and exact drift apart the pyrotechnic effect body from the original geometric arrangement towards him in their diameters larger evolving, the exact geometric alignment but retaining geometric patterns in the sky is possible.
  • corresponding effects can be realized for the first time in class 2 fireworks suitable for consumers.
  • the consumer thus gets access to pyrotechnic effect fireworks, which previously could only be obtained in the context of professional fireworks ignited fireworks.
  • the cylindrical casing is additionally closed at its opposite end faces each with a layer of a dam material. It is thereby achieved that a pressure pulse which arises when igniting the Zerlegerladung not escapes axially over the end faces of the cylindrical casing, but radially directed occurs, so that the arranged in the given geometric figure pyrotechnic effect body with maximum momentum and radially are driven apart evenly ,
  • pyrotechnic effect bodies are arranged to geometric arrangements in the fireworks according to the invention only in one plane or if in an odd number of levels, it is advantageous if these in a longitudinal central axis of the cylindrical shell at the level of the center of the longitudinal extension of the cylindrical Sheath, in particular at a right angle, cutting plane are arranged.
  • the fireworks invention is not limited to the fact that only a single geometric figure can be generated with it. Rather, the pyrotechnic effect body may also be arranged in two or more planes and be placed in each of the planes according to a geometrically predetermined arrangement in figures. These may be, for example, similar figures, such as two or more circles. But it can also be provided different figure, for example, a circle and a star or the like. Ignites the Zerlegerladung, then several, in parallel planes to each other arranged geometric figures in the sky can be seen.
  • pyrotechnic effect bodies in the given geometric arrangement in the fireworks, according to a variant of the invention, these can be embedded in a non-explosive filling material, such as sand, which is located in a space between the cylindrical shell and the outer shell is filled.
  • a non-explosive filling material such as sand
  • Other ways to fix the pyrotechnic effect body in the desired geometric arrangement are also conceivable.
  • they may be fixed, e.g., adhered, to an inner side of the cylindrical side wall of the outer sleeve.
  • the cylindrical casing can in particular be formed from a cardboard material or from a plastic material. It is crucial that the wall thickness of the cylindrical casing is sufficient, so that this casing, once filled with the Zerlegerladung, the latter continues to hold in the cylindrical shape defined by the cylindrical shell.
  • the ignition line for supplying a spark for the ignition of the bursting charge is guided in particular by an end wall of the cylindrical casing.
  • the fireworks body should be one of the so-called category 2, that is, one which is freely available for full-year end consumers.
  • the fireworks of the invention according to the invention advantageously contains a maximum of 25 g net explosive mass, in the case of a battery maximum 25 g net explosive mass per shot, this value is selected according to the current limit for firecrackers Category 2 according to German law.
  • a different upper limit should be preferred, always one that is the maximum permitted for use by the final consumer. Of course, this upper limit must not be exhausted, firecrackers invention can be equipped with less net explosive mass.
  • the fireworks invention is advantageously formed as a so-called Bombette, where he typically has a diameter of 8 to 30 mm, in particular from 18 to 30 mm, more preferably of 30 mm.
  • Part of the invention is also a fireworks arrangement with at least one vertically arranged, tubular receptacle in which a fireworks body of the type described above with the first end face, ie that end face which is pierced by the ignition, adjacent to a first, facing down is arranged to be aligned end, wherein disposed at the first end of the arranged in the tubular receptacle fireworks body, below the first end side of a propellant charge for expelling the fireworks body from the tubular receptacle, wherein a second ignition line for igniting the propellant charge and for igniting the first ignition is.
  • the fireworks of the invention can be fired into the sky, where he draws by igniting the Zerlegerladung the graphic symbol or the geometric figure with the burning pyrotechnic effect bodies as a light symbol in the sky.
  • the propellant charge can be arranged on the one hand separately from the fireworks body in the tubular receptacle, on the other hand, but also as part of the fireworks body.
  • an inventive fireworks can also have their own driving charge.
  • the first and the second ignition line may be separate ignition lines, but it may also be the second ignition line connected to the first leads of a way that this continues to burn, after burning and igniting the propellant charge a burned portion of the second ignition line is released from the first ignition line so that the fireworks can ascend into the sky without being restrained by a burnt-out ignition lead.
  • the fireworks body arrangement can be formed battery-like, ie, with a plurality of parallel to each other substantially vertically arranged, tubular receptacles, in each of which a firecracker, in particular one of the type described above, is arranged, wherein under the first end of each of the fireworks in each of the tubular receptacles is arranged in each case a propellant charge for expelling the respective fireworks body from the tubular receptacle, wherein the second Ignition line for successively igniting the propellant charges and for igniting the respective first firing line of the respective fireworks body is guided in a manner by the fireworks arrangement that this second ignition line sequentially ignites the propellant charges of the tubular receptacles.
  • all of the firecrackers may be formed in the manner described above so that all of the fireworks fired therefrom draw geometric patterns to the sky.
  • a smaller number of the fireworks according to the invention can also be arranged mixed with conventional fireworks in the battery, so that, for example, alternating geometric figures and cloud-like arrangements of burning effect bodies can be seen in the sky when the battery is ignited.
  • tubular receptacle or the tubular receptacles can be closed at its second end (s) with a closure, in particular a sealing plate.
  • a closure in particular a sealing plate.
  • platelets are typically formed of cardboard or plastic and in particular ensure that the receiving tube is completed, the fireworks can not fall out or can be removed without authorization.
  • so-called composite batteries can be formed, which may contain according to the current provisions for fireworks category 2 in Germany maximum 2 kg net explosive mass.
  • the individual batteries to be combined in the composite battery must not exceed a net explosive mass of 500 g each.
  • FIG. 1 is a very highly schematic representation of an embodiment of the invention for a fireworks body and a fireworks invention illustrated.
  • An inventive fireworks body 1 is formed here in the form of a so-called bombette.
  • This has an outer cylindrical sleeve 2, which is formed in particular from a paper or cardboard material with a stable wall thickness. At the front, this sleeve 2 is closed by a layer of dam material 3.
  • a first ignition line 4 is characterized by in the FIG. 1 Position shown below dam material 3 and protrudes outward from the fireworks 1 out.
  • a cylindrical casing 5 which is dimensionally stable and in particular may be formed from a cardboard or plastic material, a Zerlegerladung 6 is arranged from an explosive material.
  • the cylindrical casing 5 is closed in its end faces in each case with a layer of a dam material 13. This can be the same dam material as the firecracker 1 frontally closing dam material 3.
  • the first ignition line 4 is by a in the FIG. 1 arranged bottom end of the cylindrical casing 5 and through the dam material arranged there 13 passed through into the Zerlegerladung 6 inside.
  • the cylindrical casing 5 with the disintegrating charge 6 arranged therein is aligned coaxially with the outer sleeve 2 and is located centrally transversely to the longitudinal direction. That is, the longitudinal center axis of the outer sleeve 2 and the longitudinal center axis of the cylindrical casing 5 are substantially congruent to each other.
  • pyrotechnic effect body 7 are arranged in a given geometric figure, here circular, here.
  • the pyrotechnic effect body 7 lie in - here a single - plane, which is aligned here perpendicular to the longitudinal center axis of the cylindrical casing and the latter cuts approximately centrally.
  • a tilted representation of the pyrotechnic effect body 7 arranged in a circle is selected in order to be able to show this in its geometric arrangement.
  • the number of pyrotechnic effect bodies 7 depicted here does not necessarily correspond to the number of effect bodies 7 arranged in the fireworks body 1.
  • the pyrotechnic effect bodies 7 are embedded in a non-explosive filling material 8, for example sand. As a result, they are held in the once-oriented shape and orientation to each other.
  • the pyrotechnic effect bodies 7 are arranged here in a circle and concentrically around the cylindrical casing 5.
  • the fireworks body 1 is arranged in a receiving tube 9, which may be, for example, a receiving tube 9 of a battery of fireworks 1, wherein the receiving tube 9 extends vertically and below the fireworks body 1 a propellant charge 10 is arranged. Through this propellant charge passes through a second ignition line 11, to which the first supply line 4 is brought close with their protruding from the fireworks 1 end.
  • a sealing plate 12 closes the receiving tube 9 above the fireworks body 1 frontally.
  • the second ignition line 11 is ignited. This burns off until it enters the propellant charge 10, which ignites becomes.
  • the fireworks 1 is ejected from the receiving pipe 9 in the vertical direction and rises in the sky.
  • the disintegrating charge 6 is ignited, tearing the outer cylindrical sleeve 2 and driving the pyrotechnic effect body 7 defined with magnitude substantially equal, radially outward pulse apart, so that in the sky a growing circle emerges as a pyrotechnic luminous geometric symbol.
  • the delay between the ignition of the propellant charge 10 and the ignition of the Zerlegerladung 6, which is determined by the nature of the first ignition 4, is chosen so that the Zerlegerladung 6 ignites only after reaching a predetermined rise height of the fireworks body 1.
  • the bombette shown can, for example, have a diameter of the outer sleeve 2 of 20 to 30 mm, in particular 30 mm.

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

Claims (12)

  1. Feu d'artifice (1) avec
    - un manchon extérieur cylindrique (2) qui présente deux faces d'extrémité et qui est fermé à chacune de ses deux faces d'extrémité par une couche de matériau de barrage (3);
    - une pluralité de corps à effet pyrotechnique (7) disposés à l'intérieur du manchon extérieur (2);
    - une charge explosive (6) disposée à l'intérieur du manchon extérieur (2) pour faire exploser le manchon extérieur (2) et destiné à séparer les corps à effet pyrotechnique (7), et
    - un premier câble d'allumage (4) pénétrant dans le matériau de barrage (3) à une première face d'extrémité des deux faces d'extrémité et se prolongeant jusqu'à la charge explosive (6),
    dans lequel
    la charge explosive (6) est logée à l'intérieur d'un boîtier cylindrique (5) entièrement fermé et fermé, lequel boîtier cylindrique (5) est agencé de manière coaxiale au manchon extérieur (2), en ce que les axes centraux longitudinaux du manchon extérieur (2) et du boîtier cylindrique (5) coïncident, le premier fil d'allumage (4) traversant une ouverture dans le boîtier cylindrique (5) jusqu'à la charge explosive (6), et
    les corps à effet pyrotechnique (7) étant disposés à l'intérieur du manchon extérieur (2) et à l'extérieur du boîtier cylindrique (5), entre une paroi latérale cylindrique du boîtier cylindrique (5) et une paroi latérale cylindrique du manchon extérieur (2), dans au moins un plan transversal, en particulier perpendiculairement, à l'axe central longitudinal du manchon extérieur (2) pour former une figure géométrique prédéterminée, caractérisé
    - en ce que le boîtier cylindrique (5) est en outre fermé au niveau de ses extrémités opposées par une couche d'un matériau de barrage (13), et
    - en ce qu'un espace entre le boîtier cylindrique (5) et le manchon extérieur (2) est rempli d'un matériau de remplissage non explosif dans lequel les organes à effet pyrotechnique (7) sont noyés dans l'agencement géométrique prédéterminé, et/ou en ce que des organes à effet pyrotechnique (7) sont fixés, en particulier collés, sur un côté intérieur de la paroi latérale cylindrique du manchon extérieur (2).
  2. Feu d'artifice (1) selon la revendication 1, caractérisé en ce que les organes à effet pyrotechnique (7) sont disposés dans un plan coupant l'axe central longitudinal du boîtier cylindrique (5) au niveau du centre de l'étendue longi-tudinale du boîtier cylindrique (5), notamment à angle droit.
  3. Feu d'artifice (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que les organes à effet pyrotechnique (7) sont disposés sur un cercle, en forme de coeur ou en forme d'étoile.
  4. Feu d'artifice (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'axe central longitudinal du boîtier cylindrique (5) passe par un centre géométrique de gravité de ladite au moins une figure géométrique au niveau de laquelle les organes à effet pyrotechnique (7) sont prévus.
  5. Feu d'artifice (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que les organes à effet pyrotechnique (7) sont disposés à l'intérieur du manchon extérieur (2) et l'extérieur du boîtier cylindrique (5), entre une paroi latérale cylindrique du boîtier cylindrique (5) et une paroi latérale cylindrique du manchon extérieur (2), dans au moins deux plans parallèles l'un à l'autre pour former des figures géométriques prédéterminées.
  6. Feu d'artifice (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le boîtier cylindrique (5) est constitué d'un matériau en carton ou en plastique.
  7. Feu d'artifice (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il contient un maximum de 25 g net de masse explosive.
  8. Feu d'artifice (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le manchon extérieur (2) présente un diamètre de 14 à 50 mm, en particulier de 20 à 40 mm, de manière particulièrement préférée de 30.
  9. Assemblage de feux d'artifice présentant au moins un réceptacle tubulaire (9) qui doit être disposé verticalement et dans lequel un feu d'artifice (1), selon l'une quelconque des revendications précédentes, est disposé avec sa première face d'extrémité adjacente à une première extrémité qui doit être orientée vers le bas, dans lequel une charge propulsive (10) destinée à chasser le corps de feux d'artifice du réceptacle tubulaire (9) est agencée au-dessous de la première face d'extrémité, à la première extrémité du feu d'artifice (1) disposée dans le réceptacle tubulaire (9), dans lequel un second fil d'allumage (11) pour actionner la charge propulsive (10) et pour actionner le premier fil d'allumage (4) est prévu.
  10. Assemblage de feux d'artifice selon la revendication 9, caractérisé par une pluralité de récipients tubulaires (9) qui sont disposés sensiblement verticalement parallèlement les uns aux autres et dans chacun desquels est formé un feu d'artifice (1), dont au moins un est constitué selon l'une des revendications 1 à 10, est disposé avec la première face frontale dirigée vers le bas, une charge propulsive (10) pour faire sortir le feu d'artifice (1) respectif du récipient tubulaire (9) respectif étant disposée dans chacun des récipients tubulaires (9) sous la première face frontale de chacun des feux d'artifice (1), le deuxième fil d'allumage (11) pour actionner successivement les charges propulsives (10) et pour actionner le premier fil d'allumage (4) respectif du feu d'artifice (1) respectif étant guidé à travers le dispositif pyrotechnique de telle sorte que ce deuxième fil d'allumage (11) actionne successivement les charges propulsives (10) dans les récipients tubulaires (9).
  11. Assemblage de feux d'artifice selon l'une des revendications 9 ou 10, caractérisé en ce que le ou les réceptacles tubulaires (9) sont fermés en leur seconde extrémité par une fermeture d'étanchéité (12), par exemple notamment une plaque d'étanchéité.
  12. Assemblage de feux d'artifice selon l'une quelconque des revendications 9 à 11, caractérisé en ce qu'il comprend un maximum de 500 g net de masse explosive.
EP17192521.7A 2016-10-05 2017-09-22 Feux d'artifice ainsi qu'assemblage de feux d'artifice Not-in-force EP3306261B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202016105535.0U DE202016105535U1 (de) 2016-10-05 2016-10-05 Feuerwerkskörper sowie Feuerwerkskörperanordnung

Publications (2)

Publication Number Publication Date
EP3306261A1 EP3306261A1 (fr) 2018-04-11
EP3306261B1 true EP3306261B1 (fr) 2019-05-15

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US (1) US10408581B2 (fr)
EP (1) EP3306261B1 (fr)
DE (1) DE202016105535U1 (fr)

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CN109654954A (zh) * 2019-01-21 2019-04-19 湖南宇刚科技发展有限公司 一种连体式组装鞭炮
CN109813185B (zh) * 2019-04-09 2024-05-03 湖南尚花科技有限公司 鞭炮及鞭炮结构
CN113124713A (zh) * 2020-01-15 2021-07-16 湖南尚花科技有限公司 电子鞭炮及其电能鞭炮单元

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Publication number Publication date
DE202016105535U1 (de) 2016-11-03
US10408581B2 (en) 2019-09-10
US20180128582A1 (en) 2018-05-10
EP3306261A1 (fr) 2018-04-11

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