WO2021193460A1 - 玩具花火 - Google Patents

玩具花火 Download PDF

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Publication number
WO2021193460A1
WO2021193460A1 PCT/JP2021/011470 JP2021011470W WO2021193460A1 WO 2021193460 A1 WO2021193460 A1 WO 2021193460A1 JP 2021011470 W JP2021011470 W JP 2021011470W WO 2021193460 A1 WO2021193460 A1 WO 2021193460A1
Authority
WO
WIPO (PCT)
Prior art keywords
modeling
explosive
shaft
toy fireworks
tip
Prior art date
Application number
PCT/JP2021/011470
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
井上　吉勝
Original Assignee
井上玩具煙火株式会社
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 井上玩具煙火株式会社 filed Critical 井上玩具煙火株式会社
Priority to JP2022510443A priority Critical patent/JP7277683B6/ja
Publication of WO2021193460A1 publication Critical patent/WO2021193460A1/ja

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/36—Sparking toys
    • 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

Definitions

  • the present invention relates to toy fireworks.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2001-21294.
  • Patent Document 1 describes "a toy firework characterized in that a combustible material is fixed to a core material, a flame-retardant material is fixed to the surface of the combustible material, and an explosive is fixed to the surface of the flame-retardant material.” Has been done.
  • a flammable shaft that is elongated and has a tip that is one end and a handheld that is the other end.
  • a flammable shaped part located at the tip of the shaft part and A gunpowder section located so as to cover at least a part of the modeling section is provided.
  • the shaped portion is less flammable than the hand-held portion and the explosive portion of the shaft portion.
  • a toy fireworks that features that.
  • the water content of the shaped portion is higher than the water content of the hand-held portion of the shaft portion.
  • An intermediate part is further provided between the modeling part and the explosive part.
  • the middle part is harder to burn than the modeling part,
  • the thickness of the intermediate portion is smaller than the thickness of the explosive portion.
  • a toy firework characterized in that the explosive part and the intermediate part contain a resin-based adhesive.
  • the modeled portion has a recess on the surface and has a recess.
  • the tip of the shaft is fitted into the recess.
  • the explosive part is provided so as to cover at least a part of the modeling part and the tip part. A toy fireworks that features that.
  • the thickness of the explosive part on the tip side is larger than the thickness on the hand-held part.
  • FIG. 3 is a cross-sectional view taken along the line BB of the toy fireworks of FIG.
  • FIG. 1 is a diagram of a toy fireworks according to the first embodiment.
  • FIG. 2 is a cross-sectional view taken along the line AA of the toy fireworks of FIG.
  • An example of toy fireworks will be described with reference to FIGS. 1 and 2.
  • the toy fireworks 1 includes a shaft portion 2, a modeling portion 3, an intermediate portion 4, and an explosive portion 5.
  • the shaft portion 2 has an elongated shape, and may be, for example, a rod shape.
  • the cross section of the shaft portion 2 may be circular.
  • the shaft portion 2 is flammable, and may be made of wood, for example, and may be, in particular, birch, lamin, or the like.
  • the shaft portion 2 has a tip portion 2A which is one end portion and a hand-held portion 2B which is the other end portion. The user of the toy fireworks 1 can use the toy fireworks 1 by holding the handheld portion 2B.
  • the modeling portion 3 is located at the tip portion 2A of the shaft portion 2.
  • the modeling unit 3 has a desired shape.
  • the modeling portion 3 of the first embodiment in FIG. 1 is a star shape having a desired thickness.
  • the modeling portion 3 is flammable, and may be made of wood, for example, and may be, in particular, oak, oak, castanopsis, wild cherry tree, pine, or the like.
  • the intermediate portion 4 is located so as to cover the tip portion 2A of the shaft portion 2 and the modeling portion 3.
  • the intermediate portion 4 covers the entire circumference of the tip portion 2A of the shaft portion 2 and the modeling portion 3.
  • the intermediate portion 4 may cover only the tip portion 2A of the shaft portion 2 and a part of the modeling portion 3.
  • the intermediate portion 4 is provided directly on the tip portion 2A of the shaft portion 2 or the outer surface of the modeling portion 3.
  • the explosive part 5 is located so as to cover the modeling part 3.
  • the explosive part 5 covers the entire circumference of the tip part 2A of the shaft part 2 and the modeling part 3.
  • the explosives portion 5 may cover only the tip portion 2A of the shaft portion 2 and a part of the modeling portion 3.
  • the explosive part 5 is provided directly on the outer surface of the intermediate part 4. In other words, the intermediate portion 4 is located between the modeling portion 3 and the explosive portion 5.
  • the explosive part 5 may contain at least barium nitrate, iron powder, natural resin, aluminum and starch paste.
  • the intermediate part 4 and the explosive part 5 are provided on the outer surface of the modeling part 3 having a desired shape, the appearance of the explosive part 5 at the time of combustion (at the time of use) and before combustion (before use) is improved.
  • the modeling portion 3 in the toy fireworks 1 of the present embodiment is flammable, it is configured to be less flammable than the hand-held portion 2B and the explosive portion 5 of the shaft portion 2. As a result, it is possible to prevent the modeling unit 3 from burning relatively easily, and after the explosive unit 5 is burned (after use), the modeling unit 3 is flammable until it gets tired, so that the toy can be processed. Fireworks 1 can be provided.
  • the water content of the modeling portion 3 may be higher than the water content of the hand-held portion 2B of the shaft portion 2. This makes it possible to make the modeling portion 3 less flammable than the hand-held portion 2B of the shaft portion 2.
  • the air-dry specific density of the wood of the modeling portion 3 may be larger than the air-dry specific gravity of the wood of the shaft portion 2.
  • the oil content of the modeling portion 3 may be lower than the oil content of the shaft portion 2. This also makes it possible to make the modeling portion 3 less flammable than the hand-held portion 2B of the shaft portion 2.
  • the intermediate portion 4 is configured to be less flammable than the modeling portion 3.
  • the intermediate portion 4 may be diatomaceous earth, activated carbon or zeolite.
  • the thickness of the intermediate portion 4 may be relatively small, and for example, the thickness of the intermediate portion 4 may be smaller than the thickness of the explosive portion 5.
  • the modeling portion 3 since the modeling portion 3 is configured to be less flammable than the hand-held portion 2B of the shaft portion 2, even if the thickness of the intermediate portion 4 is reduced, the modeling portion 3 burns relatively easily. Can be suppressed.
  • the intermediate portion 4 may be more porous than the modeling portion 3.
  • the porosity of the intermediate portion 4 may be higher than the porosity of the modeling portion 3.
  • the modeling portion 3 has a recess 3A on its surface.
  • the tip portion 2A of the shaft portion 2 is fitted into the recess 3A. Therefore, the recess 3A has an elongated shape that follows the shape of the shaft portion 2.
  • the intermediate portion 4 and the explosive portion 5 are provided so as to cover the modeling portion 3 and the tip portion 2A of the shaft portion 2 fitted to the modeling portion 3.
  • the intermediate portion 4 and the explosive portion 5 are provided so as to cover the entire circumference of the tip portion 2A of the shaft portion 2 fitted to the modeling portion 3 and the modeling portion 3.
  • it may be provided so as to cover at least a part of the modeling portion 3 and the tip portion 2A of the shaft portion 2 fitted to the modeling portion 3.
  • the water content of the modeling portion 3 can be made higher than the water content of the hand-held portion 2B of the shaft portion 2.
  • the impregnated water is covered by the intermediate portion 4 and the explosive portion 5, and evaporation is suppressed, so that the impregnated water remains inside the modeling portion 3.
  • an evaporation suppressing portion for example, water glass (sodium silicate aqueous solution)
  • water glass sodium silicate aqueous solution
  • a porous part for example, diatomaceous earth
  • the dry evaporation suppressing portion and the porous portion are the intermediate portion 4.
  • the evaporation suppressing portion is denser (porosity is lower) than the porous portion.
  • the porosity of the intermediate portion 4 is higher on the outside (explosive portion 5 side) than on the inside (modeling portion 3 side).
  • the modeling unit 3 may be composed of wood chips. As a result, the water content of the modeling portion 3 can be further increased.
  • the intermediate portion 4 and the explosive portion 5 may contain a resin-based adhesive (for example, a vinyl acetate-based emulsion, an epoxy resin emulsion, or a vinyl chloride resin solvent-based adhesive).
  • a resin-based adhesive for example, a vinyl acetate-based emulsion, an epoxy resin emulsion, or a vinyl chloride resin solvent-based adhesive.
  • Whether or not the modeling portion 3 is less likely to burn than the hand-held portion 2B of the shaft portion 2 may be determined by the following method. First, the hand-held portion 2B of the (completed) toy fireworks 1 manufactured through all the steps, and the modeling portion 3 in the state immediately after the intermediate portion 4 and the explosive portion 5 are peeled off from the completed toy fireworks 1. At the same time, expose to a flame of similar firepower. After that, when the hand-held portion 2B ignites earlier than the modeling portion 3, it may be determined that the modeling portion 3 is less likely to burn than the hand-held portion 2B of the shaft portion 2.
  • the modeling portion 3 may be less flammable than the tip portion 2A of the shaft portion 2. Further, the tip portion 2A of the shaft portion 2 may be less likely to burn than the hand-held portion 2B.
  • the thickness of the tip portion 2A side of the explosive portion 5 provided so as to cover the modeling portion 3 may be larger than the thickness of the handheld portion 2B side.
  • FIG. 3 is a diagram of toy fireworks in the second embodiment.
  • FIG. 4 is a cross-sectional view taken along the line BB of the toy fireworks of FIG.
  • An example of toy fireworks will be described with reference to FIGS. 3 and 4.
  • the same parts as those in the first embodiment and the parts corresponding to the same parts will be described with the same reference numerals. The same points as in the first embodiment of the second embodiment will not be described.
  • each of the modeling portions 3 in the embodiment is spherical.
  • the spherical modeling portion 3 has a through port 3B through which the tip end portion 2A of the shaft portion 2 penetrates.
  • the toy fireworks are provided by providing the intermediate portion 4 and the explosive portion 5 on the outer surface of the modeling portion 3 and the tip portion 2A of the shaft portion 2 in a state where the tip portion 2A of the shaft portion 2 penetrates through the through port 3B of the modeling portion 3. 1 can be manufactured.
  • the leading edge of the tip portion 2A of the shaft portion 2 protrudes from the modeling portion 3.
  • the user of the toy fireworks 1 can use the toy fireworks 1 by igniting the explosive part 5 covering the state-of-the-art shaft part 2.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
PCT/JP2021/011470 2020-03-27 2021-03-19 玩具花火 WO2021193460A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022510443A JP7277683B6 (ja) 2020-03-27 2021-03-19 玩具花火

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-058099 2020-03-27
JP2020058099 2020-03-27

Publications (1)

Publication Number Publication Date
WO2021193460A1 true WO2021193460A1 (ja) 2021-09-30

Family

ID=77892572

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/011470 WO2021193460A1 (ja) 2020-03-27 2021-03-19 玩具花火

Country Status (2)

Country Link
JP (1) JP7277683B6 (enrdf_load_stackoverflow)
WO (1) WO2021193460A1 (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02122995U (enrdf_load_stackoverflow) * 1989-03-10 1990-10-09
JPH0763499A (ja) * 1994-05-30 1995-03-10 Inoue Gangu Enka Kk 玩具花火
JP2001021294A (ja) * 1999-07-05 2001-01-26 Inoue Gangu Enka Kk 玩具花火
JP2005273971A (ja) * 2004-03-24 2005-10-06 Inoue Gangu Enka Kk 玩具花火

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02122996U (enrdf_load_stackoverflow) * 1989-03-16 1990-10-09

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02122995U (enrdf_load_stackoverflow) * 1989-03-10 1990-10-09
JPH0763499A (ja) * 1994-05-30 1995-03-10 Inoue Gangu Enka Kk 玩具花火
JP2001021294A (ja) * 1999-07-05 2001-01-26 Inoue Gangu Enka Kk 玩具花火
JP2005273971A (ja) * 2004-03-24 2005-10-06 Inoue Gangu Enka Kk 玩具花火

Also Published As

Publication number Publication date
JP7277683B2 (ja) 2023-05-19
JP7277683B6 (ja) 2023-08-25
JPWO2021193460A1 (enrdf_load_stackoverflow) 2021-09-30

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