WO1997032178A1 - Non-toxic ball-trap target - Google Patents

Non-toxic ball-trap target Download PDF

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Publication number
WO1997032178A1
WO1997032178A1 PCT/FR1997/000349 FR9700349W WO9732178A1 WO 1997032178 A1 WO1997032178 A1 WO 1997032178A1 FR 9700349 W FR9700349 W FR 9700349W WO 9732178 A1 WO9732178 A1 WO 9732178A1
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WO
WIPO (PCT)
Prior art keywords
binder
bitumen
artificial target
targets
target according
Prior art date
Application number
PCT/FR1997/000349
Other languages
French (fr)
Inventor
Jean-Luc Bouliez
Alain Rezazgui
Marius Muller
Original Assignee
Sivia
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 Sivia filed Critical Sivia
Priority to EP97907139A priority Critical patent/EP0879392A1/en
Publication of WO1997032178A1 publication Critical patent/WO1997032178A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J1/00—Targets; Target stands; Target holders
    • F41J1/01—Target discs characterised by their material, structure or surface, e.g. clay pigeon targets characterised by their material

Definitions

  • the present invention concerns a new non-toxic if ic icial art ⁇ is from ironncmeni, useful in particular for clay pigeon shooting, made of divided material, agglomerated by a binder, and a process for producing such artificial targets
  • the game of clay pigeon shooting requires the use of standardized targets which have the shape of a curved disc or "plate” whose convex face is provided with circular ribs.
  • these targets are based on finely divided materials (in English or in the technical jargon "f iller”) agglomerated with movable binders, capable of ensuring sufficient cohesion of the target in order to resist the energy communicated to this at launch
  • the finely divided materials which are suitable for the production of such objects are generally mineral in nature and originate in particular from the crushing or broaching of massive rocks (siliceous or limestone materials, etc.), sawing certain materials (slate, marble) or other puh erulent materials such as talc or flours
  • Petroleum pitches in particular those used by the applicant, although containing aromatic nuclear ⁇ ol ⁇ hydrocarbons, lead to products conform to European and international standards. However, the content of toxic products in the cables produced with petroleum pitches, although meeting the standards, is close to the maximum authorized. This is why many patents have been filed in recent years in order to produce targets for clay pigeon shooting that pose no risk to the environment.
  • patent application WO94V 12847 describes a target whose divided material is based on powdered g> pse and the binder is t ⁇ pe hv drauhque such as slaked lime or clay
  • patent application EP 487 381 describes artificial targets whose binder is constituted by plaster
  • binders also require an additional heat treatment step to allow the removal of the solvent, in particular water. It has also been proposed in the US and US 4,623,150 to replace the traditional binders with soluble waxes or paraffins. preparation of such targets also requires the use of a solv ant which must be removed thereafter.
  • solvents are cited in particular the organic solvents such as xylene, toluene, alcohols and water.
  • Japanese patent application 57-178732 describes a target composed of an agglomerated material and a binder consisting of a thermoplastic resin, in particular rosin, rosin esterified or hydrogenated, polyterpene resins, low molecular weight polystyrenes, xylene resins, coumarone-indene resins, petroleum resins or modified petroleum resins or waxes. These resins have a molecular weight of between 200 and 3000.
  • Japanese application 53-007765 describes an artificial target whose binder is based on a petroleum resin.
  • Patent application FR 2 316 574 describes a binder based on terpene resin whose molecular weight is between 300 and 3000 and the softening point between 60 and 200 * 0.
  • French unpublished application No. 94 15573 of the applicant describes a binder consisting of a mixture of an aliphatic hydrocarbon material chosen from wax or paraffin and a thermoplastic resin chosen from rosin or a petroleum resin.
  • binder can be sulfur, petroleum resins or phenolic resins, waxes or sugar.
  • Bitumens are sometimes mentioned in the technical literature but have, to the knowledge of the applicant, never been developed as a binder for artificial targets.
  • Bitumens indeed contain a very small amount of aromatic polynuclear hydrocarbons and could lead to the production of targets whose toxic product content is practically zero. Bitumens are binders produced industrially at low cost and which can be used in traditional factories without modification.
  • targets produced with bitumen as a binder have the following faults:
  • the object of the present invention is to propose targets which simultaneously meet several criteria as they can be defined below: - they must respect the environment, that is to say that they must be free aromatic compounds,
  • the artificial target according to the invention is characterized in that the binder making it possible to agglomerate the divided material comprises a bitumen whose softening point is between 50 and 1 50 ° C and an additive, comprising a resin chosen from the group consisting by the resins of fully modified petroleum
  • Bitumen is understood to mean products originating from the distillation of petroleum, whether these products are direct distillation products, products extracted by a solvent or a mixture of the two. These bitumens can also be oxidized by blowing air
  • Their softening point can vary from 50 C ⁇ I 50'C.
  • Petroleum resins or modified petroleum resins are obtained from the heavy aromatic part of oils. Preferably, they have a softening point between 1 10 and 170 ° C.
  • mineral fillers originating from the crushing or grinding of massive rocks (siliceous or calcareous fillers, bauxite, alumina ...) or coming from the sawing of certain materials such as slate or marble. It is also possible to use other pulverulent materials capable of being agglomerates (talc, fly ash from thermal power plants or from cement works, etc.).
  • the proportion of divided materials and binders may vary depending on that commonly used in the art considered.
  • the targets according to the invention will include a percentage by weight of 15 to 40% of binders and 60 to 85% of divided materials.
  • the artificial target is characterized in that said binder partly comprises by weight
  • said binder partly comprises by weight.
  • the invention also relates to a process for producing artificial targets as described above, characterized in that a) the divided material and the constituents of the binder are mixed at an appropriate temperature, b) the appropriate quantity of the mixture obtained is pressure molded in a), c) the artificial target is recovered.
  • targets is done in a traditional way by hot mixing in a kneader, continuously, 5 to 40%, preferably 15 to 40%, of binder consisting of a mixture of bitumen and petroleum resin , 60 to 95%, preferably 60 to 85% of a divided material, in particular a calcareous filler.
  • the mixing is carried out at a temperature equal to or higher than the softening point of the bitumen, then pumped and injected into the molds of a press in order to form the targets.
  • the targets are cooled and then removed from the mold, they can be used raw or painted before use.
  • the mixture is sent to a molding press and the targets produced are tested with success: in particular: - good resistance to launching,

Abstract

An environmentally harmless artificial target, particularly for ball-tap shooting, consisting of a divided and binder-agglomerated material is disclosed. The binder includes a bitumen with a softening point of 50-150 °C and an additive selected from the group which consists of optionally modified petroleum resins. A method for making such artificial targets is also disclosed.

Description

O 97/32178 1 POYFR97/00349O 97/32178 1 POYFR97 / 00349
CIBLE NON TOXiqUE POUR LE JEU DE BALL-TRAP .NON-TOXIC TARGET FOR THE BALL-TRAP GAME.
La présente inv ention concerne une nouvelle c i ble art if ic iel le, non toxique \
Figure imgf000003_0002
is de
Figure imgf000003_0001
ironncmeni, utile notamment pour le jeu de ball-trap, en matériau divise, agglomère par un liant, et un proc ède de production de telles cibles artificiellesThe present invention concerns a new non-toxic if ic icial art \
Figure imgf000003_0002
is from
Figure imgf000003_0001
ironncmeni, useful in particular for clay pigeon shooting, made of divided material, agglomerated by a binder, and a process for producing such artificial targets
Le jeu de ball-trap est bien connu des chasseurs, car il commue un moyen eff icace d'entraînement en période de f ermeture de la c hasse 11 est également l'objet de compétitions nationales et internationalesThe game of clay pigeon shooting is well known to hunters, because it commutes an effective means of training during the closing of the hut 11 is also the object of national and international competitions
Sous son aspect sportif, le jeu de ball-trap requiert l'utilisation de cibles normalisées qui ont la forme d'un disque incurv e ou "assiette" dont la face convexe est munie de nervures circulaires.In its sporting aspect, the game of clay pigeon shooting requires the use of standardized targets which have the shape of a curved disc or "plate" whose convex face is provided with circular ribs.
Traditionnellement ces cibles sont a base de matériaux f inement div ises ( en anglais ou dans le jargon technique " f iller") agglomères au mov en de liants, propres a assurer une cohésion suffisante de la cible af in de résister a l 'énergie communiquée a celle-ci lors du lancementTraditionally these targets are based on finely divided materials (in English or in the technical jargon "f iller") agglomerated with movable binders, capable of ensuring sufficient cohesion of the target in order to resist the energy communicated to this at launch
Les matériaux finement div ises qu i conv iennent pou r la réalisation de tels objets sont en général de nature minérale et prov iennent en particulier du concassage ou du bro\ age de roches massiv es (matériaux siliceux ou calcaires ...) , du sciage de certains matériaux (ardoise, marbre ) ou d'autres matériaux puh erulents comme le talc ou les farinesThe finely divided materials which are suitable for the production of such objects are generally mineral in nature and originate in particular from the crushing or broaching of massive rocks (siliceous or limestone materials, etc.), sawing certain materials (slate, marble) or other puh erulent materials such as talc or flours
Parmi les liants traditionnels, deux liants a base de brai on t ete proposes Les brais de houille utihses par la plupart des f abricants européen s de cibles artificielles. Les brais de pétrole utilises aux USΛ et par la demanderesse en Europe.Among traditional binders, two pitch-based binders have been proposed. Coal pitches used by most European manufacturers of artificial targets. Petroleum pitches used in the USΛ and by the plaintiff in Europe.
De tels matériaux sont couramment utilises et sont largemen t décrits dans de nombreux brev ets relatifs a des cibles notamment pour jeu de ball-trap. On pourra citer par exemple la demande de brc\ et LR-Λ-2 G85 4G 5 déposée par la demanderesseSuch materials are commonly used and are widely described in numerous patents relating to targets, in particular for clay pigeon shooting. We can cite for example the request for brc \ and LR-Λ-2 G85 4G 5 filed by the applicant
Toutefois, compte tenu des législations ac tuelles, ces matériaux ne devraient pas présenter un caractère toxiq ue ou dangereux v is-a-v i s des personnes ou de l'environnement et devraient donc repondre aux normes en v igueur, en ce qui concerne la santé et la protection de l 'env ironnement De ce fait, les brais de houille ou de pétrole seront de plus en plus soumis a des restrictions d'utilisationHowever, taking into account current legislation, these materials should not present a toxic or dangerous character vis-à-vis people or the environment and should therefore meet the standards in force, as regards health and environmental protection As a result, coal and petroleum pitches will increasingly be subject to restrictions on use
Les brais de houille contiennent en ef fet une grande proportion de polv nucléaires aromatiques et leur utilisation dans les cibles conduit a des produits dépassant les normes européennes et internationales en c e q ui concerne la teneur en produits toxiques Leur interdiction dev rait interv enir a court termeCoal pitches indeed contain a large proportion of aromatic nuclear polv and their use in targets leads to products exceeding European and international standards with regard to the content of toxic products Their prohibition should intervene in the short term
Les brais de pétrole, notamment ceux utilises par la demanderesse, bien que contenant des hy drocarbures ρol\ nucléaires aromatiques, conduisent a des produits conf ormes aux normes européen nes et internationales. Cependant, la teneur en produits toxiques des c i bles produites av ec les brais de pétrole, bien que satisfaisant aux normes, est proche du maximum autorise. C'est pourquoi, de nombreux brev ets ont ete déposes au cours des dernières années afin de produire des cibles pour le jeu de ball-trap ne présentant aucun risque pour l'environnementPetroleum pitches, in particular those used by the applicant, although containing aromatic nuclear ρol \ hydrocarbons, lead to products conform to European and international standards. However, the content of toxic products in the cables produced with petroleum pitches, although meeting the standards, is close to the maximum authorized. This is why many patents have been filed in recent years in order to produce targets for clay pigeon shooting that pose no risk to the environment.
Par exemple, la demande de brevet W094V 12847 décrit une c ible dont le matériau div ise est a base de g> pse en poudre et le liant est du t\ pe hv drauhque comme la chaux éteinte ou l'argileFor example, patent application WO94V 12847 describes a target whose divided material is based on powdered g> pse and the binder is t \ pe hv drauhque such as slaked lime or clay
De même, la demande de brevet EP 487 381 décrit des cibles artificielles dont le liant est constitue par du plâtreSimilarly, patent application EP 487 381 describes artificial targets whose binder is constituted by plaster
On a également propose d'utiliser en tant que liant du silicate de soude éventuellement en association avec des dextπnes. Ces réalisations sont notamment décrites dans le brev et US 5 3 1 6It has also been proposed to use, as a binder, sodium silicate, optionally in combination with dextπnes. These achievements are notably described in the patent and US 5 3 1 6
313 et dans la demande de brev et danois 93 00165313 and in the patent application and Danish 93 00 165
Ces cibles sont réalisées par mélange préalable du liant du matériau div ise et d'un solv ant, notamment l'eau, ce solv ant étant ensuite élimine par traitement thermique On a également propose de remplacer les liants issus de brai par des liants organiques Par exemple, la demande de brev et WO92/2063 5 préconise l'utilisation de liants degradαblcs a base de sucre et d'amidon Le brevet US 5 3 17 037 mentionne comme liants les sucres, notamment les mélanges de dextrose et de fructose, le poh dextrose, le mallose, le manitol, la gélatine, le glutene, l'hv droxv methv lcellulose, la gomme arabique et l'amidon. Le liant est renforce par des fibres choisies parmi le Un, le coton, la v iscose, la rav onne ou le bots.These targets are produced by prior mixing of the binder of the divided material and of a solvent, in particular water, this solvent then being eliminated by heat treatment. It has also been proposed to replace the binders obtained from pitch with organic binders. example, the patent application and WO92 / 2063 5 recommends the use of degradable binders based on sugar and starch The US patent 5 3 17 037 mentions as binders sugars, in particular mixtures of dextrose and fructose, poh dextrose, mallose, manitol, gelatin, glutene, hv droxv methv lcellulose, gum arabic and starch. The binder is reinforced by fibers chosen from One, cotton, v iscosis, rav onne or bots.
Ces liants nécessitent également une étape supplémentaire de traitement thermique pour permettre d'éliminer le solv ant, notamment l'eau On a également propose dans le brc\ et US 4 623 150 de remplac er les liants traditionnels par des cires ou des paraffines solubles l a préparation de telles cibles nécessite également l'utilisation d'un solv ant qui doit être élimine par la suite. Parmi les solv ants sont cites notamment les solvants organiques comme le xylène, le toluène, les alcools ainsi que l'eau.These binders also require an additional heat treatment step to allow the removal of the solvent, in particular water. It has also been proposed in the US and US 4,623,150 to replace the traditional binders with soluble waxes or paraffins. preparation of such targets also requires the use of a solv ant which must be removed thereafter. Among the solvents are cited in particular the organic solvents such as xylene, toluene, alcohols and water.
La demande de brevet japonais 57- 1 78732 décrit une cible composée d'un matériau aggloméré et d'un liant constitué d 'une résine thermoplastique notamment la colophane, la colophane estérifiée ou hydrogénée, les résines polyterpéniques, les polystyrènes de bas poids moléculaire, les résines xylènes, les résines coumarone-indène, les résines de pétrole ou les résines de pétrole modifiées ou les cires. Ces résines présentent un poids moléculaire compris entre 200 et 3000.Japanese patent application 57-178732 describes a target composed of an agglomerated material and a binder consisting of a thermoplastic resin, in particular rosin, rosin esterified or hydrogenated, polyterpene resins, low molecular weight polystyrenes, xylene resins, coumarone-indene resins, petroleum resins or modified petroleum resins or waxes. These resins have a molecular weight of between 200 and 3000.
De même, la demande japonaise 53-007765 décrit une cible artificielle dont le liant est à base d'une résine de pétrole.Likewise, Japanese application 53-007765 describes an artificial target whose binder is based on a petroleum resin.
La demande de brevet FR 2 316 574 décrit un liant à base de résine terpénique dont le poids moléculaire est compris entre 300 et 3000 et le point de ramollissement entre 60 et 200*0.Patent application FR 2 316 574 describes a binder based on terpene resin whose molecular weight is between 300 and 3000 and the softening point between 60 and 200 * 0.
La demande français non publiée n" 94 15573 de la demanderesse décrit un liant constitué d'un mélange d'une matière hydrocarbonée aliphatique choisie parmi la cire ou la paraffine et d'une résine thermoplastique choisie parmi le colophane ou une résine de pétrole.French unpublished application No. 94 15573 of the applicant describes a binder consisting of a mixture of an aliphatic hydrocarbon material chosen from wax or paraffin and a thermoplastic resin chosen from rosin or a petroleum resin.
Enfin, il faut mentionner le brevet WO 94/09339 dans lequel le liant peut être du soufre, des résines de pétrole ou des résines phénoliques, des cires ou du sucre.Finally, mention should be made of patent WO 94/09339 in which the binder can be sulfur, petroleum resins or phenolic resins, waxes or sugar.
Bien que tous les liants mentionnés précédemment pour remplacer les liants traditionnels satisfassent aux exigences des sociétés modernes en ce qui concerne l 'envi ronnement, les ci bles obten ues présentent l'inconvénient, soit d'exiger des matériels nouveaux pour les fabriquer, soit d'être d'un prix élevé, ce qui e.xplique le peu de succès de ces dites cibles et leur absence sur le marché des cibles artificielles pour le jeu de ball-trap.Although all the binders mentioned above to replace traditional binders meet the requirements of modern societies with regard to the environment, the targets obtained have the disadvantage either of requiring new materials to manufacture them, or of d 'be of a high price, which e.explains the little success of these said targets and their absence on the market of artificial targets for the game of clay pigeon shooting.
Une solution de remplacement aurait pu être constituée par le remplacement des brais de houille ou de pétrole par les bitumes. Les bitumes sont parfois mentionnés dans la littérature technique mais n'ont, à la connaissance du déposant, jamais été développés en tant que liant pour cible artificielle.An alternative could have been to replace the coal or petroleum pitches with bitumens. Bitumens are sometimes mentioned in the technical literature but have, to the knowledge of the applicant, never been developed as a binder for artificial targets.
Les bitumes contiennent en effet une très faible quantité d'hydrocarbures polynucléaires aromatiques et pourraient conduire à la production de cibles dont la teneur en produits toxiques est pratiquement nulle. Les bitumes sont des liants produits industriellement à faible coût et qui peuvent être utilisés dans les usines traditionnelles sans modification.Bitumens indeed contain a very small amount of aromatic polynuclear hydrocarbons and could lead to the production of targets whose toxic product content is practically zero. Bitumens are binders produced industrially at low cost and which can be used in traditional factories without modification.
Cependant, les cibles produites avec le bitume comme liant présentent les défauts suivants :However, targets produced with bitumen as a binder have the following faults:
- fragilité des cibles au moment du lancement,- fragility of targets at launch,
- mauvaise cassabilité des cibles sous l'impact du tir,- poor breakability of targets under the impact of fire,
- collage des cibles entre elles lors d'un stockage prolonge, - déformation des cibles quand la température de stockage présente 40°C, ce qui est le cas en plein été dans les locaux exposes au soleil.- sticking of the targets together during prolonged storage, - deformation of the targets when the storage temperature is 40 ° C, which is the case in midsummer in rooms exposed to the sun.
De manière inattendue, la demanderesse α trouvé qu 'une formulation particulière à base de bitume permettait de résoudre les problèmes évoqués ci-dessus tout en permettant de conduire à des cibles convenant parfaitement aux normes actuelles relatives à l'env ironnement et à la santé.Unexpectedly, the applicant α found that a particular formulation based on bitumen made it possible to solve the problems mentioned above while making it possible to lead to targets which were perfectly suited to the current standards relating to the environment and to health.
L'objet de la présente invention est de proposer des cibles qui repondent simultanément à plusieurs critères tels qu'ils peuvent être définis ci-dessous : - elles doivent respecter l'environnement, c'est-à-dire qu'elles doivent être exemptes de composés polv aromatiques,The object of the present invention is to propose targets which simultaneously meet several criteria as they can be defined below: - they must respect the environment, that is to say that they must be free aromatic compounds,
- en particulier, elles doivent être conformes aux normes européennes et internationales en matière de protection de l'environnement et notamment conforme à la directive qui a défini la teneur maximale en produits to.xiques dans les substances ou préparations destinées à la v ente en grand public,- in particular, they must comply with European and international standards for environmental protection and in particular comply with the directive which defined the maximum content of toxic products in substances or preparations intended for large sales public,
- elles doivent être suffisamment solides lors du lancement pour ne pas être fissurées à cette occasion,- they must be strong enough at launch not to be cracked on this occasion,
- lors de l 'impac t el les doiven t être fragmen tées en d'innombrables morceaux et donc présenter un caractère de fragilité suffisant,- during the impact, they must be fragmented into innumerable pieces and therefore have a sufficiently fragile character,
- en outre, ces cibles étant fabriquées à des cadences très élev ées pour un coût nécessairement très modique, elles doivent pouvoir être produites selon le procédé traditionnel sans étape supplémentaire de séchage et sans faire intervenir de solvant. En outre, la présence d'un solvant à moins qu'il ne s'agisse d'eau, cause d'autres problèmes de pollution étant donné que ce solvant doit être ensuite récupéré, traité et éventuellement recyclé.- In addition, these targets being manufactured at very high rates for a necessarily very low cost, they must be able to be produced according to the traditional process without additional drying step and without involving solvent. In addition, the presence of a solvent, unless it is water, causes other pollution problems since this solvent must then be recovered, treated and possibly recycled.
Les buts définis ci-dessus sont atteints grâce aux cibles selon l'invention. La cible artificielle selon l'invention est caractérisée en ce que le liant permettant d'agglomérer le matériau divisé comprend un bitume dont le point de ramollissement est compris entre 50 et 1 50 'C et un additif, comprenant une résine choisie dans le groupe constitué par les résines de pétrole e\ entuellement modifiéesThe goals defined above are achieved thanks to the targets according to the invention. The artificial target according to the invention is characterized in that the binder making it possible to agglomerate the divided material comprises a bitumen whose softening point is between 50 and 1 50 ° C and an additive, comprising a resin chosen from the group consisting by the resins of fully modified petroleum
Par bitume, on désigne les produits prov enant de la distillation du pétrole, que ces produits soient des produits de distillation direc te, des produits d'extraction par un solv ant ou un mélange des deux. Ces bitumes peuvent également être oxv des par souf f lage d'airBitumen is understood to mean products originating from the distillation of petroleum, whether these products are direct distillation products, products extracted by a solvent or a mixture of the two. These bitumens can also be oxidized by blowing air
Leur point de ramollissement peut varier de 50 C α I 50'C.Their softening point can vary from 50 C α I 50'C.
Les résines de pétrole ou les résines de pétrole modif iées sont obtenues à partir de la partie aromatique lourde des pétroles. De préf érence, elles possèdent un point de ramollissement compris entre 1 10 et 170 'C Parmi les matériaux f inement div ises qui peuv ent convenir dans le cadre de la présente invention, on utilisera avantageusement les charges minérales provenant du concassage ou du broyage de roches massiv es (charges siliceuses ou calcaire, bauxite, alumine ...) ou prov enant du sciage de certains matériaux tels que l'ardoise ou le marbre. On peut également utiliser d'autres matériaux pulvérulents susceptibles d'être agglomères ( talc, cendres v olantes de centrales thermiques ou de cimenterie ...).Petroleum resins or modified petroleum resins are obtained from the heavy aromatic part of oils. Preferably, they have a softening point between 1 10 and 170 ° C. Among the finely divided materials which can be suitable in the context of the present invention, mineral fillers originating from the crushing or grinding of massive rocks (siliceous or calcareous fillers, bauxite, alumina ...) or coming from the sawing of certain materials such as slate or marble. It is also possible to use other pulverulent materials capable of being agglomerates (talc, fly ash from thermal power plants or from cement works, etc.).
On peut également utiliser des matériaux organiques comme la cellulose, la farine ou la sciure de bois.You can also use organic materials such as cellulose, flour or sawdust.
Parmi les charges de préférence utilisées dans le cadre de la présente invention, on mentionnera tout particulièrement les charges calcaires.Among the fillers preferably used in the context of the present invention, particular mention will be made of limestone fillers.
La proportion de matériaux divises et de liants peut v arier selon celle communément en usage dans l'art considère.The proportion of divided materials and binders may vary depending on that commonly used in the art considered.
En gênerai, les cibles selon l 'i nven tion comprendron t en pourcentage en poids de 15 α 40 % de liants et 60 α 85 % de matériaux div isesIn general, the targets according to the invention will include a percentage by weight of 15 to 40% of binders and 60 to 85% of divided materials.
Selon une première v ariante préférée, la cible artificielle est caractérisée en ce que ledit liant comprend en partie en poidsAccording to a first preferred variant, the artificial target is characterized in that said binder partly comprises by weight
- bitume 50 à 99- bitumen 50 to 99
- résine de pétrole 1 à 50. De préférence ledit liant comprend en partie en poids .- petroleum resin 1 to 50. Preferably, said binder partly comprises by weight.
- bitume 55 a 65- bitumen 55 to 65
- résine de pétrole 35 à 45.- petroleum resin 35 to 45.
L'invention concerne également un procède de production de cibles artificielles telles que décrites précédemment caractérise en ce que a) on mélange le matériau div ise et les constituants du liant a une température appropriée, b) on moule sous pression la quantité appropriée du mélange obtenu en a), c) on récupère la cible artificielle.The invention also relates to a process for producing artificial targets as described above, characterized in that a) the divided material and the constituents of the binder are mixed at an appropriate temperature, b) the appropriate quantity of the mixture obtained is pressure molded in a), c) the artificial target is recovered.
La fabrication des cibles se f ait de f açon traditionnelle en mélangeant à chaud dans un malaxeur, en continu, 5 a 40 %, de préf érence 1 5 à 40 %, de liant constitué d'un mélange de bitume et de résine de pétrole, 60 α 95 %, de préférence 60 à 85 % d'un matériau div ise, notamment une charge calcaire. Le mélange est effectué à une température égale ou supérieure au point de ramollissement du bitume puis pompe et injecté dans les moules d'une presse afin de former les cibles.The manufacturing of targets is done in a traditional way by hot mixing in a kneader, continuously, 5 to 40%, preferably 15 to 40%, of binder consisting of a mixture of bitumen and petroleum resin , 60 to 95%, preferably 60 to 85% of a divided material, in particular a calcareous filler. The mixing is carried out at a temperature equal to or higher than the softening point of the bitumen, then pumped and injected into the molds of a press in order to form the targets.
Les cibles sont refroidies puis démoulées, elles peuvent être utilisées brutes ou peintes avant leur utilisation.The targets are cooled and then removed from the mold, they can be used raw or painted before use.
A titre d 'exemple non limitatif , l'invention est maintenant illustrée par l'exemple suivant :By way of nonlimiting example, the invention is now illustrated by the following example:
Dans un malaxeur industriel on mélange a 160"C :In an industrial mixer we mix at 160 "C:
- 682 kg d'un filler calcaire de granulométrie 0 à 120 μ, - 227 kg d'un bitume H 1 10/ 120 de la société SHELL, possédant un point de ramollissement d'environ 125JC,- 682 kg of a limestone filler with a particle size 0 to 120 μ, - 227 kg of a bitumen H 1 10/120 from the company SHELL, having a softening point of approximately 125 J C,
- 91 kg d'une résine de pétrole S 155 de la société TOTAL,- 91 kg of a petroleum resin S 155 from the company TOTAL,
Après malaxage, le mélange est envov é dans une presse à mouler et les cibles fabriquées sont testées av ec succès : on observe notamment : - une bonne résistance au lancement,After mixing, the mixture is sent to a molding press and the targets produced are tested with success: in particular: - good resistance to launching,
- une bonne cassabilité lors du tir aux armes de chasse,- good breakability when firing with hunting weapons,
- pas de collage des cibles entre elles lors d'un stockage prolonge,- no sticking of the targets together during prolonged storage,
- pas de déformation lors d'un stockage prolonge a 40 C.- no deformation during prolonged storage at 40 C.
Bien entendu, l 'invention n 'est pas limitée aux formes de réalisation décrites précédemment mais s'étend au contraire a tous les équivalents permettant d'atteindre le même résultat. Of course, the invention is not limited to the embodiments described above but on the contrary extends to all equivalents making it possible to achieve the same result.

Claims

REVENDICATIONS
1. Cible artificielle, notamment pour le jeu de ball-trαp, non toxique vis-à-vis de l'environnement, en matériau div isé aggloméré par un liant, caractérisée en ce que ledit liant comprend un bitume dont le point de ramollissement est compris entre 50°C et 150°C et un additif comprenant une résine choisie dans le groupe constitué par les résines de pétrole éventuellement modifiées.1. Artificial target, in particular for the game of ball-trαp, non-toxic vis-à-vis the environment, in divided material agglomerated by a binder, characterized in that said binder comprises a bitumen whose softening point is between 50 ° C and 150 ° C and an additive comprising a resin selected from the group consisting of optionally modified petroleum resins.
2. Cible artificielle selon la revendication 1 , caractérisée en ce que ledit liant comprend en partie en poids : -bitume 50 à 992. Artificial target according to claim 1, characterized in that said binder partly comprises by weight: -bitume 50 to 99
-Additif 1 à 50.-Additive 1 to 50.
3. Cible artificielle selon la revendication 2, caractérisée en ce que ledit liant comprend en partie en poids :3. Artificial target according to claim 2, characterized in that said binder partly comprises by weight:
-bitume 55 à 65 -additif 35 à 45.-bitume 55 to 65 -additive 35 to 45.
4. Cible artificielle selon l' une des revendications 1 à 3, caractérisée en ce que le bitume est un bitume de distillation directe, un bitume d'extraction par solvant ou un mélange des deux.4. Artificial target according to one of claims 1 to 3, characterized in that the bitumen is a direct distillation bitumen, a solvent extraction bitumen or a mixture of the two.
5. Cible artificielle selon l'une des revendications 1 à 4, caractérisée en ce que le bitume peut être soufflé ou oxydé.5. Artificial target according to one of claims 1 to 4, characterized in that the bitumen can be blown or oxidized.
6. Cible artificielle selon la revendication 1 , caractérisée en ce que la résine de pétrole éventuellement modifiée possède un point de ramollissement compris entre 1 10"C et 170'C.6. Artificial target according to claim 1, characterized in that the optionally modified petroleum resin has a softening point between 1 10 "C and 170'C.
7. Cible artificielle selon l ' une des revendications 1 à 6, caractérisée en ce qu'elle est constituée de 15 à 40 % de liant et de 60 à 85 % de matériau divisé.7. Artificial target according to one of claims 1 to 6, characterized in that it consists of 15 to 40% of binder and 60 to 85% of divided material.
8. Procédé de production d'une cible artificielle selon l'une des revendications 1 à 7, caractérisée en ce que : a) on mélange le matériau divisé et les constituants du liant à une température appropriée, b ) on moule sous pression une quantité appropriée du mélange obtenu en a), c ) on récupère la cible artificielle. 8. Method for producing an artificial target according to one of claims 1 to 7, characterized in that: a) the divided material and the constituents of the binder are mixed at an appropriate temperature, b) an amount is pressure molded appropriate mixture obtained in a), c) recovering the artificial target.
9. Procédé selon la revendication 8, caractérisé en ce qu'on mélange à chaud dans un malaxeur en continu 15 à 40 % de liant constitué d'un mélange de bitume et de résine de pétrole, 60 à 85 % d'un matériau divisisé, notamment une charge calcaire, le mélange étant ef fectué à une température égale ou supérieure au point de ramollissement du bitume puis pompé et injecté dans les moules d'une presse afin de former les cibles. 9. Method according to claim 8, characterized in that hot mixing in a continuous mixer 15 to 40% of binder consisting of a mixture of bitumen and petroleum resin, 60 to 85% of a divided material , in particular a calcareous filler, the mixture being carried out at a temperature equal to or greater than the softening point of the bitumen then pumped and injected into the molds of a press in order to form the targets.
PCT/FR1997/000349 1996-02-29 1997-02-27 Non-toxic ball-trap target WO1997032178A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97907139A EP0879392A1 (en) 1996-02-29 1997-02-27 Non-toxic ball-trap target

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9602544A FR2745633B1 (en) 1996-02-29 1996-02-29 NEW ARTIFICIAL TARGET, PARTICULARLY FOR THE BALL-TRAP GAME, NON-TOXIC TO THE ENVIRONMENT AND METHOD FOR PRODUCING SUCH A TARGET
FR96/02544 1996-02-29

Publications (1)

Publication Number Publication Date
WO1997032178A1 true WO1997032178A1 (en) 1997-09-04

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FR (1) FR2745633B1 (en)
WO (1) WO1997032178A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7692790B2 (en) 2005-05-27 2010-04-06 Carl Zeiss Microimaging Gmbh Grating spectrometer system and method for the acquisition of measured values

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2608602C2 (en) * 2015-04-06 2017-01-23 Открытое акционерное общество "Новолипецкий металлургический комбинат" Method for production of coloured environmentally safe target for trap shooting

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2211244A (en) * 1939-10-13 1940-08-13 Frederick J Routledge Projectable target
US3577251A (en) * 1969-02-26 1971-05-04 Olin Corp Molding powder for projectable target
FR2316574A1 (en) * 1975-06-20 1977-01-28 Nippon Oil Co Ltd PERFECTED CLAY PIGEON
WO1994009339A1 (en) * 1992-10-15 1994-04-28 Green Clay Aps Shattering article, moulding composition and method of producing a shattering article

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2211244A (en) * 1939-10-13 1940-08-13 Frederick J Routledge Projectable target
US3577251A (en) * 1969-02-26 1971-05-04 Olin Corp Molding powder for projectable target
FR2316574A1 (en) * 1975-06-20 1977-01-28 Nippon Oil Co Ltd PERFECTED CLAY PIGEON
WO1994009339A1 (en) * 1992-10-15 1994-04-28 Green Clay Aps Shattering article, moulding composition and method of producing a shattering article

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7692790B2 (en) 2005-05-27 2010-04-06 Carl Zeiss Microimaging Gmbh Grating spectrometer system and method for the acquisition of measured values

Also Published As

Publication number Publication date
FR2745633B1 (en) 1998-05-22
EP0879392A1 (en) 1998-11-25
FR2745633A1 (en) 1997-09-05

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