EP2944914A1 - Plomb aérodynamique à longue portée pour airsoft et entraînement militaire - Google Patents

Plomb aérodynamique à longue portée pour airsoft et entraînement militaire Download PDF

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Publication number
EP2944914A1
EP2944914A1 EP14737753.5A EP14737753A EP2944914A1 EP 2944914 A1 EP2944914 A1 EP 2944914A1 EP 14737753 A EP14737753 A EP 14737753A EP 2944914 A1 EP2944914 A1 EP 2944914A1
Authority
EP
European Patent Office
Prior art keywords
pellet
airsoft
long
military training
aerodynamic
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.)
Withdrawn
Application number
EP14737753.5A
Other languages
German (de)
English (en)
Inventor
Luis Henrique López-Pozas Lanuza
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.)
Bioplast Future Sl
Original Assignee
Bioplast Future Sl
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 Bioplast Future Sl filed Critical Bioplast Future Sl
Publication of EP2944914A1 publication Critical patent/EP2944914A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B6/00—Projectiles or missiles specially adapted for projection without use of explosive or combustible propellant charge, e.g. for blow guns, bows or crossbows, hand-held spring or air guns
    • F42B6/10—Air gun pellets ; Ammunition for air guns, e.g. propellant-gas containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/38—Range-increasing arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B8/00—Practice or training ammunition
    • F42B8/12—Projectiles or missiles

Definitions

  • the present invention relates to a variety of pellets for use in the sport called "Airsoft" and for military training, with the novelty of having a more aerodynamic design based on a surface that reduces friction with the air and allows a longer range.
  • the aim of the sport "Airsoft" and of the military training is to practice military simulations safely and without the risk of damaging the opponent that must be shot.
  • Airsoft is based on replicas of firearms.
  • the barrel is smooth and works using a spring, gas or an electric motor.
  • the power of these replica weapons ranges from 0.5 joules to 3 joules, the most common power being 1 joule.
  • bullets or projectiles require a striated barrel that gives a spin or angular momentum to keep them longer in their trajectory.
  • bullets and projectiles are made of heavy metals to confer them precision and range.
  • they are projected by the high pressure of the gases produced by an explosive charge in the barrel, which provides them with their intrinsic characteristic of being lethal.
  • pellets of the present invention are non-lethal, not based on striated barrels, or driven by gas fired by explosives or firearms.
  • pellets for "Airsoft" and military training are extremely light, between 0.12 g and 0.50 g, are not lethal, have short-range, are not used with weapons having striated barrels and are shot by a small spring or a low power electric motor.
  • the range of the pellets currently used in "Airsoft" varies depending on the weight of the pellet and on the power of the replica that shoot them, generally having a range between 20 and 40 meters for pistols and submachine guns, and 60 to 70 meters for sniper rifles, which excessively limits the game strategies, and the pellets loose speed and the trajectory and shooting accuracy varies significantly, the consequence being notably that many misfires occur, increasing consumption and cost, and makes necessary to have short shoot ranges for being accurate.
  • having to shoot at shorter distances in this practice causes inconveniences such as more severe and painful skin abrasions.
  • the proposed invention solves, among other drawbacks, this short-range of the conventional smooth pellets and greatly improves the range of action of military simulation, achieving greater shooting range and realism in the development of this practice, while reducing the physical damages of practitioners, because the pellets are able to be shot from longer distances.
  • the aerodynamic feature of the pellet according to the present invention provides a longer range, between 35 and 55 meters for pistols and submachine guns, and 85 to 95 meters for sniper rifles, representing a gain of more than 40% with respect to the current range. This is a significant improvement and innovation in the practice.
  • the patent No. ES2373161 relates to bioplastic pellets being 100% biodegradable
  • the patent application No. US 2007/0240601 A1 relates to a biodegradable pellet
  • the patent application No. US 2008/0090940 A1 relates to an ammunition soluble in cold water and biodegradable and the method for preparation thereof but no pellet applied to this type of ammunition, like the one proposed by the present invention, is known.
  • the novelty of this invention lies in the aerodynamic properties. This is a rough or coarse spherical pellet which whole surface is molded with a series of projections forming geometric figures.
  • the first one is due to air friction and represents only a small part of the resistance experienced by the pellet.
  • the main part of resistance comes from the separation of the air flow, which can be laminar or turbulent, and is known as pressure resistance due to the separation.
  • the advantages of the present invention are to provide a longer range of shot (40%), a greater accuracy in shooting, a wider range of action for the practice of this activity, saving in consumption of ammunition, and less physical damage as the targets can be shot from a longer distance. Finally, a greater realism of military simulations, for which it is developed, has been achieved.
  • the production of the pellets can be implemented using thermoplastic injection molds, injection being the most economical manufacturing process to generate higher volumes of pellets.
  • the ideal materials for manufacturing these pellets are conventional thermoplastic derivatives of petroleum, petroleum biodegradable thermoplastics and biodegradable thermoplastics such as bioplastics of vegetable origin.
  • thermoplastic acrilonitrilobutadienstyrene
  • CA cellulose acetate
  • EP epoxy
  • EVA ethyl vinyl acetate
  • HDPE high density polyethylene
  • LDPE low density polyethylene
  • MF melamine formaldehyde
  • PA polyamide
  • PB polybutadiene
  • PBT polybutylene terephthalate
  • PC polycarbonate
  • PEI Polyesterimide
  • PES Polyethersulphone
  • PET polyethylene terephthalate
  • PMMA polymethyl methacrylate
  • POM methylene polyethylene oxide
  • PP polypropylene
  • PPS polyphenylene sulfide
  • PS polystyrene
  • PTFE polytetrafluoroetlrylene
  • PUR polyurethane
  • PVC polyvinyl chloride
  • thermoplastics can be charged with various salts such as calcium carbonate, bicarbonate, barium sulfate, or oxide type mineral powder of iron or other heavy metals, in order to increase the relative weight with respect to the volume, to obtain the desired weight.
  • salts such as calcium carbonate, bicarbonate, barium sulfate, or oxide type mineral powder of iron or other heavy metals
  • biodegradable thermoplastics derived of petroleum are compounds of biodegradable polymers and elastomeric polymers such as synthetic rubber, with the addition of a charge of inert and nontoxic mineral from the group of the carbonates and mineral salts, such as calcium carbonate, sodium bicarbonate or barium sulfate, with a maximum of 80% of the mixture.
  • biodegradable thermoplastics from non-renewable resources oil, gas
  • polycaprolactone and certain polyesters and aliphatic-aromatic polymers, such as synthetic rubber elastomers.
  • biodegradable thermoplastics from renewable sources, are bioplastic compounds formed by polymers of plant origin such as rubber, latex, cereal and potato starch, and cellulose, with the addition of a charge of inert and non-toxic mineral, from the group of carbonates and minerals salts, such as calcium carbonate, sodium bicarbonate or barium sulphate, with a maximum of 95% of the mixture.
  • This group includes bioplastics based on PLA (polylactic acid), polyester copolymers such as polyhydroxybutyrate (PHB) / polyhydroxyvalerate (PHV); pullulan (a polysaccharide); etc.
  • Biodegradation property of the variety of the pellets according to the present invention depends mainly on the action of microorganisms and fungi. These microorganisms produce enzymes which catalyze the breakdown of complex materials used as substrates (polymers) into units more susceptible of being assimilated by microorganisms for the production of biomass.
  • bio-disintegration occurs in composite materials which are constituted by a biodegradable component and a non-biodegradable component in a proportion between 5% and 95%, such as for instance a mixture of PLA or bioplastics based on starch and PP (polypropylene), a conventional plastic, in a ratio ranging from 5% to 95% of the mixture.
  • thermoplastics Both oxo-degradable thermoplastics and biodegradable plastics or bioplastics offer an added advantage of no environmental pollution.
  • the long-range and aerodynamic pellet for Airsoft and military simulation object of the present invention is constituted from a sphere whose surface form recesses or concavities of hexagonal shapes, between 5 and 100 units distributed such that the weight of the pellet remains balanced in both hemispheres.
  • the spherical surface of the pellet is covered, partially or completely, with these recesses, which have a depth between 0.01 mm and 2 mm. ( Figure 3 ).
  • the sphere exhibits recesses with other different shapes than hexagon, such as triangles, squares, pentagons and circles, between 5 and 100 units being distributed such that the weight of the pellet remain balanced in both hemispheres.
  • the spherical surface of the pellet is covered, partially or completely, with these recesses, which have a depth between 0.01 mm and 2 mm. ( Fig.6 ).
  • the sphere exhibits recesses with a combination of two or more geometric shapes, between 5 and 100 units being distributed such that the weight of the pellet remain balanced in both hemispheres.
  • the spherical surface of the pellet is covered, partially or completely, with these recesses, having a depth between 0.01 mm and 2 mm. ( Fig.5 ).
  • a preferred embodiment of the present invention is constituted from a sphere (7) whose surface (8) exhibits hexagonal-shaped recesses (9), 100 units thereof being distributed such that the weight of the pellet remain balanced in both hemispheres (10), and with a depth of 0.5 mm with respect to the surface of the sphere (11).

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP14737753.5A 2013-01-14 2014-01-13 Plomb aérodynamique à longue portée pour airsoft et entraînement militaire Withdrawn EP2944914A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201300053A ES2486065A1 (es) 2013-01-14 2013-01-14 Perdigón aerodinámico de gran alcance para airsoft y entrenamiento militar.
PCT/ES2014/000001 WO2014108587A1 (fr) 2013-01-14 2014-01-13 Plomb aérodynamique à longue portée pour airsoft et entraînement militaire

Publications (1)

Publication Number Publication Date
EP2944914A1 true EP2944914A1 (fr) 2015-11-18

Family

ID=51166547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14737753.5A Withdrawn EP2944914A1 (fr) 2013-01-14 2014-01-13 Plomb aérodynamique à longue portée pour airsoft et entraînement militaire

Country Status (4)

Country Link
US (1) US20160131462A1 (fr)
EP (1) EP2944914A1 (fr)
ES (1) ES2486065A1 (fr)
WO (1) WO2014108587A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800003958A1 (it) * 2018-03-26 2019-09-26 Mauro Razza “proiettile polimerico biodegradabile per armi da fuoco non letali, utilizzabili dai tiratori ludico-sportivi”

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US20180156588A1 (en) * 2016-12-07 2018-06-07 Russell LeBlanc Frangible Projectile and Method of Manufacture
US11428512B1 (en) * 2017-10-02 2022-08-30 A.N.S. Xtreme Performance, Inc. Projectiles for a paintball marker and systems
US20190154421A1 (en) * 2017-11-21 2019-05-23 Amick Family Revocable Living Trust Firearm projectiles with turbulence-inducing surfaces, firearm cartridges including the same, and associated methods
USD860342S1 (en) * 2018-04-04 2019-09-17 Callaway Golf Company Golf ball
USD860347S1 (en) * 2018-06-01 2019-09-17 Callaway Golf Company Golf ball
USD860346S1 (en) * 2018-06-01 2019-09-17 Callaway Golf Company Golf ball
USD860348S1 (en) * 2018-06-01 2019-09-17 Callaway Golf Company Golf ball
ES2890177A1 (es) * 2020-07-10 2022-01-17 Rodriguez Ortiz Ildefonso Jesus Perdigones sin plomo

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800003958A1 (it) * 2018-03-26 2019-09-26 Mauro Razza “proiettile polimerico biodegradabile per armi da fuoco non letali, utilizzabili dai tiratori ludico-sportivi”
EP3546880A1 (fr) * 2018-03-26 2019-10-02 Mauro Razza Projectile en polymère biodégradable pour armes à feu non létales, utilisable par les tireurs sportifs et récréatifs

Also Published As

Publication number Publication date
ES2486065A1 (es) 2014-08-14
US20160131462A1 (en) 2016-05-12
WO2014108587A1 (fr) 2014-07-17

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