WO2009010044A2

WO2009010044A2 - 2d or 3d target, in particular for arrows, crossbows or darts

Info

Publication number: WO2009010044A2
Application number: PCT/DE2008/001137
Authority: WO
Inventors: Hans Peter Pankiewicz
Original assignee: Hans Peter Pankiewicz
Priority date: 2007-07-14
Filing date: 2008-07-14
Publication date: 2009-01-22
Also published as: WO2009010044A3; DE202007009864U1

Abstract

The invention relates to a 2D or 3D target (10, 20) for projectiles, in particular for arrows, crossbows or darts, comprising a plurality of layers (4; 15) that follow successively in the firing direction (19), at least one net-shaped element that is made of elastically deformable silicon material and/or elastomers, such as, for example, synthetic rubber and/or natural rubber. The aim of the invention is to further develop a 2D or 3D target such said target lasts as long as possible and that the noise is reduced as much as possible when the projectile hits the target, also enabling the arrows to be withdrawn with a minimum amount of force, thus making the target disk or the target object economical.

Description

2D or 3D target, especially for bow, crossbow or darts

The invention relates to a 2D or 3D target object, in particular for bow, crossbow or darts, according to the preamble of the protection claim. 1

In shooting with arrows (especially bow, crossbow and dart arrows) target objects such. B: 2D slices or so-called 3D objects used.

For the 2D targets or 3D objects, such. Animal images, many materials are used. Currently, these are cork, pressed straw, pressed foam foams, plastics (PE) or foams (PU).

DE 29819518 U1 discloses a shooting disc made of at least 2 cm thick plastic plate made of an elastomer, for a variety of shooting sports disciplines. Due to the consistency of the material used, the shot hole in the disc closes immediately after penetration of the projectile. DE 3839000 A1 discloses a bullet trap with at least one layer of tough, thermoplastic material. Methylsilicon [(CH ₃₎ Si - O] _n is also indicated as thermoplastic, also as copolymers or blends with, for example, PE, PVC, PB The thickness of the layer of thermoplastic material in the weft direction is at least such that one projectile penetrates The shot channel closes behind the penetrated projectile due to the elasticity.

DE 2557153 A1 discloses a target, in particular for archery, with a plurality of superimposed membranes of lamellar plastic material and a plurality of sandwiched between the membranes and holding them at a distance intermediate layers of elastic and porous material, wherein the membranes are elastic and tear resistant and of a shot at the target arrow pierceable and the elastic and porous intermediate layers are also pierced by an arrow and allow the formation of a sleeve-shaped, cooperating with the arrow in the region of the bullet hole ring portion of the membrane, which cooperates frictionally with the shaft of an arrow penetrating into the target and partially deformed after pulling out the arrow. The lamellar plastic material is specified as polyethylene, the elastic and porous material as a polyolefin foam.

DE 8325942 U1 discloses a bullet trap device, in particular for indoor shooting ranges, consisting of a filling of a plurality of pillars of a layered annular rubber body, such as e.g. (Old) vehicle tires, wherein the cavity of each column is filled with a freely flowing material in bulk, which may be rubber, rubber, or plastic granules. Also, the older DE 8023429 is named in this document, which fills the space behind the target device with rubber granules of old vehicle tires.

DE 8209799 U1 discloses a bullet trap, in particular for shooting ranges in enclosed spaces, wherein behind the target plant a wall is constructed, which consists of a granulate of waste rubber, in particular of vehicle tires, which is fixed by a binder, eg synthetic resin or permanently elastic plastic such as PUR. In the shooting direction in front of the granule layer, a one-piece front plate is preferably applied from the same material as the granules on the granule layer.

DE / EP 0186682 T1 discloses a bullet trap especially for small-caliber indoor shooting ranges and shooting ranges, with a heap of granular catch material, which consists of foamed or unfoamed plastic, or foam in the form of a powder, granules, waste or chips, granular food, cork Populite wood chips, chips and powders of tires, cork wastes, feathers, wood chips, sawdust, hay, and other dried grasses, expanded materials, and artificial powders and artificial granules.

DE 3426458 A1 discloses a bullet-inhibiting laminate, in particular for protective vests, comprising a plurality of fabric layers which consist wholly or predominantly of aramid fibers or other high-modulus fibers (such as polyamide) and optionally other synthetic fibers and are solidified together with binder, the binder layers substantially are provided only between the fabric layers and the interior of the threads is substantially free of binder. As state of the art in this document it is stated that protective vests exist which, as the sole holding element, have a certain number of layers of aramid weave and are capable of stopping projectiles at speeds of up to 500 m / s. The required number of layers depends mainly on the type of tissue, the bullet velocity and the bullet shape. The required number of fabric layers may be less if the individual layers are arranged closely spaced as close to each other as possible, in which case 15 to 30 layers are specified here. Furthermore, according to the state of the art, the fabric layers can be sewn together, also adapted to the human body as so-called "pattern stitching." Furthermore, state of the art specifies that the fabric layers are glued together or type of GFRP technology is laminated by means of resins The laminate of DE 3426458 A1 has an extensibility of only 4% (tensile strength at break) and a modulus of elasticity of 59 GPa The optimum number of threads per cm is given in 12 in warp and weft of the aramid fabric.

Individually or cumulatively, these materials have the following disadvantages:

Insufficient weathering resistance, inadequate resistance to aging, short life on decision, loud noise and / or heavy removal of the arrows.

It is therefore an object of the present invention to further develop a target or generally a 2D or 3D target object of the generic type such that the highest possible service life of the target object and the highest possible attenuation of noise when the projectile enters the target object are achieved Removal of arrows with little hand power is enabled, the target or the target is still inexpensive.

To solve the tasks set serve the features of the protection claim. 1

What is essential here is that a plurality of layers, one behind the other in the weft direction, of at least one reticulated element of elastically deformable silicone material and / or elastomers, such as e.g. Synthetic and / or natural rubber is present as an energy absorption layer for the penetrating projectile.

Advantage is that the kinetic energy of the projectile (eg arrow) is essentially not broken down by the penetration of the material of the energy absorption layer and forward movement in this material, but by counter-tensile forces of the elastically deforming networks, the firing force counteract the penetrating projectile. Since a plurality of layers of one or more nets are provided, the counter-tensile forces increase with increasing depth of penetration into the target object. After the low-power removal of the projectile from the target is also no closing of selectively opened material of the networks is necessary because the projectiles are not, or at least only to a negligible degree, into which material has penetrated.

Further developments are the subject of the dependent claims.

In particular, a plurality of flat or wavy nets lying directly above one another in the weft direction are provided, however, a single or only a few folded or coiled nets may also be present. It is always important that several layers or layers of power packs lie one behind the other in the weft direction, and thus the kinetic energy of the projectile (for example, the arrow) can be broken down by the elasticity of the net material. The mesh openings of the nets are not aligned in the weft direction congruent, but slightly shifted from each other, so that the overall impression of a closed solid material is achieved by the plurality of layers, as you can not look through the target. Nevertheless, it is a network structure which has just a plurality of superimposed in the weft direction network layers.

When using nets, a mesh width which is equal to or greater than the diameter of the projectile transverse to the weft direction is preferred. Thus, the projectile can penetrate into the mesh opening and is slowed down due to the frictional forces and due to the elastic counter forces of the material of the nets. But it can also be provided a smaller mesh size, which is smaller than the diameter of the projectile transverse to the weft direction. Any combination of different mesh sizes per network or in the same network would be possible.

Advantageously, a plurality of networks of silicone material is used as an energy absorption layer, which lie directly flat against each other.

In other embodiments, instead of nets also star-shaped structures of silicone or elastomer / rubber can be used, which then together in mutual superimposition or gearing together form a reticulated element, with similar properties as the networks of one piece. Preferably, the nets extend in a plane approximately transversely to the firing direction of the projectile, but can also be arranged at an angle or even parallel to the firing direction of the projectile, or in any different orientation or even folded or geknäuelt and in the weft direction next to and behind each other lie.

It is also possible to provide further elastically deformable or penetrable thin layers of the same or different material between the individual nets of the energy absorption layer. In particular, silicone granules are preferably suitable for this purpose from production waste.

In order to give the nets sufficient support, they are placed in a unilaterally open in the weft frame, which is formed of a solid material such as plastic, wood or metal. The open side of the frame is covered with a repeatedly releasable self-contained lid formed of an elastic material (e.g., silicone, elastomer / rubber). Targeting and counting devices are mounted and / or inserted in this cover, e.g. Rings, numbers, letters, figures, etc ..

The target objects (slices, further 2D and 3D objects) are intended to be wholly or partly made of elastomers, in particular silicone, in a multi-layered construction. Elastomers, especially silicone, offer a water-repellent, weather-resistant and aging-resistant material. A multi-layered structure with different material consistencies enables long service life, arrow-friendly end rings and very easy arrow removal. Due to the soft elastomer, the arrow penetrates almost silently.

In addition, the multi-layered structure as an additional option allows a target representation integrated into the target or target in the form of numbers, rings or other graphic or pictorial representations. Inhomogeneous layers lead, in addition to the reticulated layers according to the invention, to a high energy absorption without significant material stress due to the repeated "new entrances." The inhomogeneous material layer, which can consist of very different fillers with and without air entrapment, only exerts more force after the arrow has penetrated As a result of the complexity of the filling, the effects of permanent damage due to the penetrated arrow are reduced, which also results in a longer service life.

In the following the invention will be explained in more detail by way of example with reference to drawings, which disclose further features of the invention.

It shows:

Figure 1: Schematic representation of a first embodiment of the target according to the invention in section along the weft direction;

FIG. 2: top view of FIG. 1 with the cover removed and the nets removed;

FIG. 3 shows a schematic illustration of a second embodiment of the target according to the invention in a section along the weft direction.

Figures 1 and 2 show a first embodiment of the invention in the form of a cross-sectionally circular cylindrical target 10 in axial longitudinal section in the weft direction 19th

The layers of the target 10 in the weft direction 19 will now be described in more detail.

First meets a projectile (eg arrow) on an interchangeable front panel, including a permanent target presentation layer 1, and seen in the direction of weft 19 behind it subsequent layer of filler 2. The replacement of the front panel is done simply by a radially extending Tieback, which also counteracts occurring transverse forces when entering the projectile in the target 10. The front panel consists of several layers of silicone or other elastomeric materials. As a result, an exact graphical target representation can be produced.

The target representation 1 can be cast homogeneously, for example, rings are colored accordingly (thermally bonded). The production of the rings can also be done separately (eg with presses) and then fit together accurately. Since the individual rings are exchangeable, the service life is considerably higher (in general, the disk center is time-determining). An enormous number of different materials are applicable. For example, paper, cloth, sand, and even organic materials such as leather or plants, as well as pine cones and many other materials. The totally enclosed by silicone objects go to the thermal process in the annealing furnace 4- 12 hours at 200 ⁰ C, a homogeneous connection. This thermal treatment is possible due to the lack of oxygen. Due to the homogeneity a considerable destruction by projectiles of every kind is practically impossible. The inlet and outlet channels close immediately, almost water-like. The target is shot through, but it loses its embedded position, nor the original structure.

Seen in the weft direction 19 behind it, joins the front plate 1, 2 one or more removable cover plates 3, which covers a frame 8 seen in the weft direction forward.

Seen in the weft direction 19 behind it, adjoins the cover plate 3 as a filler to a plurality of layers of nets 4, which are all received in the frame 8, which has a final bottom 9. This filler 4 is complexly built, i. The mesh layers are "interwoven", so that a positive effect with regard to the "rubber forces" arises because enormous frictional forces arise.

Between the layers of nets 4 and the bottom 9 there is provided an optional layer 6 with spirally or helically rolled-up hoses whose spirals extend transversely to the weft direction 19 (see FIG. 2). It can different spirals 6 may be present, wherein the resulting pressure of the compressed air at pressure load with the incoming arrows is authoritative. This can be done to the center of the target 10, a gain, since in principle there the material load is higher. The hose spirals 6 are laid with metal pins and fixed. After adjusting the cover plate 3, these are pulled out back. With these tube spirals 6 creates a compressive force to the front.

Between the cover plate 3 and the bottom 9, a fixing cord 5 is stretched by means of adjusting screw 7 to pull the cover plate 3 firmly on the mesh layer 4 and the underlying spiral layer 6 and cover the frame 8 properly.

For filler 4 of network layers:

So far, only the resulting annular bead was taken into account when penetrating solid silicone materials for absorbing the projectile energy. Disadvantage is the heavy arrow removal, as the bead pulls tightly around the arrow. Another disadvantage is the relatively short life, as a destruction of the filling material takes place. Especially in the center of the target, the absorption of the projectile energy takes place only selectively, whereby the arrow penetrates much deeper into the material of the target and as a result, the removal of the arrow is much more difficult.

Advantage of the introduction of the silicone networks according to the invention, or other materials of the same structure is that only in the entry phase of the projectiles takes place a comparable absorption of an annular bead.

After completion of the projectile, the reticulated filler relaxes again and the elastic tension of the silicone / elastomer which has stopped the projectile is reduced, so that the arrow can be removed much easier.

Further advantages of the silicone nets according to the invention are: 1. Permanent targeting eliminates the cost of paperwork. Clubs or private persons can save enormous costs and at the same time train in an environmentally friendly way. Of course, commercially available targets may continue to be used in combination with the silicone meshes of the present invention.

2. Enormous durability, since only the replaceable front panel has a significant wear and this is inexpensive and easy to change.

3. Variable use, depending on the load and the desired type of targets, the windscreen can be re-used in a few minutes. So also in the club area individually preferred from the shooter front plates can be used, since just Compound bow load the discs heavily.

FIG. 3 shows an alternative second embodiment of the invention in the form of a circular cylindrical target 20 in axial longitudinal section in the weft direction 19.

The layers of the target 20 in the weft direction 19 will now be described in more detail.

First, a bullet (eg arrow) hits into a dimensionally stable, thin, but hard penetration layer 11, which is not only advantageous in terms of overall statics, but also by a kind of "rubber effect" takes place through the entire body of the target 20. By compression At the entry point of the projectile, a tensile stress is built up which runs through the entire body of the target disk 20 and thus counteracts the kinetic energy of the projectile 12. The penetration layer 11 extends around the entire target disk 20 and is self-contained.

On the mantle-shaped and rearmost ie bottom-side parts of the penetration layer 11 closes as an outer body a trough 12 made of plastic geometrically independent, which is dimensionally stable and weather-resistant, with coated metals, and wood are suitable. As seen in the weft direction 19, the penetration layer 11 is followed by a soft cast silicone layer 17, which fixes a target graphical representation 13 which is not completely "resistant", ie is optically stable on hits from the projectile but is permanently suitable from the usual distances Bullet channels can only be seen from a small distance Better optical properties are achieved by coloring this layer 17 and / or 13, for example in a ring shape, but then the contour accuracy drops.

As seen in the weft direction 19, a hard cast silicone layer 14, identical and in association with the outer layer 11, joins the target line 13, enhancing the "rubber effect." Primarily, however, this layer 14 serves to stably support the target hold, ie to prevent the escape of the projectile backwards away from the shooter.

As seen in the weft direction 19, the layers of the silicone nets 15 according to the invention now adjoin the hard silicone layer 14. These absorb the kinetic energy of the penetrating projectile as the shaft of the projectile (e.g., arrow shaft) is subject to enormous frictional resistance and is steadily decelerated by the superposition of fine meshes. The permanently stable separation of the layers 15 is ensured. The resulting lateral tensile forces, which are transmitted to the adjacent layers, and act on the entire body of the target 20, are extremely efficient.

Viewed in the weft direction 19 behind it follows and on the layers of the silicone nets 15 to a filler 16, which may include, for example, silicone waste from the production. As a layer 16, a variety of geometrically different, usually delicate silicone residues can be used, which connect due to their structure "spider web-like", pulled through with thin strips and poured with fine, almost dust-like material of the same kind over the entire cross-sectional area enormous density as soon as tensile forces develop, as they occur when projectiles enter, whereby the friction forces specific to arrows are effectively counteracted by the shaft length, the further the arrow is moved by the kinetic energy, the speed, or the arrow shape into the target 20, the higher is the resistance opposed to it, as with a rubber band (the harder you pull, the higher the pullback force will be). As a result, it is now possible to shoot with 20 narrow strips up to 60 narrow strips on the target 20 according to the invention. The arrow removal is just "easy" in the upper area.

In the weft direction 19 seen behind close to the filler 16 second layers of silicone mesh 15 at.

As seen in the weft direction 19, a second soft cast silicone layer 17 adjoins these second layers of silicone nets 15.

In the weft direction 19 seen behind this is followed by this second silicone layer

17 third layers of silicone mesh 15 at.

As seen in the weft direction 19, an optional second layer of filler 16 adjoins these third layers of silicone nets 15.

In the weft direction 19 seen behind close to the optional second layer filler 16 silicone profiles 18 with linear cavities. These silicone profiles

18 are used for the gentler interception and the final stopping of all projectiles, such as arrows and even crossbow bolts. This effect is supported by the two silicone layers 17 located in the weft direction 19 in front of it.

Figure Legend

1. target presentation (interchangeable)

2. filler (variable)

3. cover plate (one or more)

4. Variety of layers of reticulated elements

5. Fixing cord for readjustment, connected with 3

6. Hoses or profiles with air chambers, spiral / helical laid

7. Adjustment screw (e.g., luster terminal)

8. Frame (independent in form and material)

9. Base plate of 8 10. Target

11.Silicone poured, hard 12th tub

13. graphical target presentation

14. Silicone poured, hard

15. Variety of layers of reticulated elements

16. Filler

17. Silicone poured, soft

18. Silicone profiles with linear cavities

19th firing direction

20. Target

Claims

protection claims

1. 2D or 3D target object (10, 20) for projectiles, in particular for bow, crossbow or dart arrows, comprising a weft direction (19) successively following plurality of layers (4, 15) at least one reticulated element of elastically deformable Silicone material and / or elastomers, such as Synthetic and / or natural rubber.

2. 2D or 3D target object (10, 20) according to claim 1, characterized in that the layers (4, 15) of the at least one net-shaped element lie directly on one another.

3. 2D or 3D target object (10, 20) according to claim 1 or 2, characterized in that between the layers (4; 15) of the at least one reticulated element are further fillers of silicone material and / or elastomers, with any shape , in particular in chip, granule, and / or powder form.

4. 2D or 3D target object (10, 20) according to one of claims 1 to 3, characterized in that the layers (4; 15) of the at least one net-shaped element lie in a plane which extends approximately transversely to the weft direction (19 ) of the projectile.

5. 2D or 3D target object (10, 20) according to one of claims 1 to 3, characterized in that the layers (4, 15) of the at least one net-shaped element lie in a plane which is at an angle to the weft direction (19 ) of the projectile.

6. 2D or 3D target object (10, 20) according to one of claims 1 to 3, characterized in that the layers (4; 15) of the at least one net-shaped element lie in a plane which extends approximately parallel to the weft direction (19 ) of the projectile.

7. 2D or 3D target object (10, 20) according to any one of claims 1 to 6, characterized in that the layers (4, 15) consists of a plurality of planar or corrugated net-shaped elements.

8. 2D or 3D target object (10, 20) according to any one of claims 1 to 6, characterized in that the layers (4; 15) consists of only a single or only a few folded or geknäuelten net-shaped elements.

9. 2D or 3D target object (10, 20) according to any one of claims 1 to 8, characterized in that the mesh openings of superimposed net-shaped elements are not aligned congruent, but are mutually laterally offset.

10.2D or 3D target object (10, 20) according to one of claims 1 to 9, characterized in that the mesh size of the net-shaped elements is equal to or greater than the diameter or the width transverse to the weft direction (19) of the projectile, and in particular between 1 mm and 10 mm.

11.2D or 3D target object (10, 20) according to one of claims 1 to 10, characterized in that the plurality of layers (4; 15) of the at least one net-shaped element in a one-sided in the weft direction (19) open frame (8 12) are formed, which is formed of a solid material made of plastic and / or wood and / or metal, wherein the open side of the frame (8; 12) with a repeatedly releasable self-contained lid (1, 2, 11) is covered, which is formed of an elastic material (eg silicone, elastomer / rubber), wherein in this cover (1, 2, 11) target and counting devices up and / or are introduced, such as Rings, numbers, letters, figures, etc ..

12.2D or 3D target object (10, 20) according to claim 11, characterized in that the plurality of layers (4; 15) of the at least one reticulated element by a in the weft direction (19) in front cover plate (3) in the frame (8) is held and can be adjusted by means of fixing cord (5) and adjusting element (7).

13.2D or 3D target object (10, 20) according to any one of claims 1 to 12, characterized in that in the weft direction (19) behind the plurality of layers (4; 15) of the at least one reticulated element, a layer (6). is provided with spirally or helically rolled, air-filled hoses and / or silicone profiles (18) with linear cavities.

14.2D or 3D target object (10, 20) according to claim 13, characterized in that the hose spirals of the hose layer (6) extend radially transversely to the weft direction (19).

15.2D or 3D target object (10, 20) according to one of claims 1 to 14, characterized in that in the frame (12) further layers (13, 14, 16-18) made of soft and / or hard cast silicone and / or elastomer, or silicone and / or elastomer in chip, granule or powder form, in weft direction (19) before and / or behind the plurality of layers (4; 15) of the at least one reticulated element are introduced.