EP4305988A1 - Device for protecting a body part of a person against impact and impact, protective insert and method for producing same - Google Patents

Abstract

The invention relates to a device for protecting a part of a person's body from impact and impact with a cover for covering at least one body part to be protected and a flat protective insert, which can be arranged by means of the cover in the area of the body part to be protected and on one of the body part to be protected facing side has an anatomically shaped surface section corresponding to the body part to be protected, the protective insert being made of a room temperature addition-curing silicone material with a Shore A hardness in the range of about 2 to about 75 and the anatomically shaped surface section of the flat protective insert being exposed to a body part to be protected adapted to the sole of the foot. Furthermore, a flat protective insert and a method for producing a flat protective insert are disclosed.

Description

The invention relates to a device for protecting a part of a person's body from impact, a protective insert and shock and a method for producing it.

background

Such protective devices are used, for example, by people as body protection during film or television recordings when action scenes are being filmed. The protective device is worn by the person on the body in the area of a part of the body to be protected, for example for arm, leg or joint protection. It is known to releasably attach such protective devices to the body using straps or Velcro.

Summary

The object of the invention is to provide an improved device for protecting a part of a person's body from impact and shock, as well as a method for producing it, with which efficient body protection can be formed, which efficiently absorbs, distributes and dampens compressive forces arising from impact or impact and which is the case when Wear it as little as possible on the body.

To solve this, a device for protecting a part of a person's body from impact and impact and a flat protective insert for the device according to independent claims 1 and 11 are created. Furthermore, according to the independent claim 12, a method for producing a flat protective insert for such a device is created. Refinements are the subject of dependent subclaims.

According to one aspect, there is provided a device for protecting a part of a person's body from impact and shock, comprising: an overcoat for covering at least one body part to be protected and a flat protective insert which can be arranged in the area of the body part to be protected by means of the overcoat and on a side facing the body part to be protected has a surface section corresponding anatomically to the body part to be protected. The protective inlay is made of a silicone material that is addition-curing at room temperature and has a Shore A hardness in the range of about 2 to about 75. The anatomically shaped surface section of the flat protective inlay is adapted to a part of the body to be protected, free from the sole of the foot.

According to a further aspect, a flat protective insert is created for such a device, the protective insert having a surface section corresponding anatomically to a body part to be protected on a side facing the body part to be protected and made of a silicone material which is addition-cured at room temperature and has a Shore A hardness in the range of is about 2 to about 75. The anatomically shaped surface section of the flat protective insole is adapted to a part of the body to be protected, free from the sole of the foot.

According to another aspect, there is provided a method for producing a flat protective liner for a device for protecting a body part of a person from impact and impact, the method comprising: providing a mold with an anatomically shaped surface portion corresponding to a body part to be protected is surface structured; Applying a pourable and addition-curing silicone material at room temperature with a Shore A hardness in the range from about 2 to about 75, at least in the area of the anatomically shaped surface section; Drying the applied silicone material and demoulding the dried silicone material. Here, the anatomically shaped surface section of the flat protective insert is adapted to a body part to be protected, free from the sole of the foot.

In the case of the protective device for a body part, the overcoat in the area of the body part to be protected serves to arrange the flat protective insert in the area of the body part to be protected and to fix it there when the protective device is worn, even if the person moves, for example when using the device Connection with film or television recordings. The impact and shock protection is provided using the flat protective insert, such that shock or impact forces are efficiently absorbed, distributed and dampened. This also reduces or completely eliminates friction on the body. The overcoat and flat protective insert are minimally bulky on the body, so that the person can wear the protective device directly on their body, especially under their clothing. The use of the room temperature addition-curing silicone material with a Shore A hardness in the range of about 2 to about 75 makes it possible to provide shock and impact-resistant protection on the body part. On the other hand, the use of the intended material makes it possible to provide a flat protective insert that is not very bulky on the body. By selecting a Shore hardness A in the intended range, the flexibility and the desired damping effect of the flat protective insert can be adjusted depending on the application.

The addition-curing silicones have improved shrinkage behavior compared to other materials, for example condensation-curing silicone materials, in the sense that a slight shrinkage occurs during crosslinking, for example only in a range of approximately 0.05 to approximately 0.2%. The addition-curing silicone materials also have good durability. After crosslinking, the silicone material is inert and no longer reacts with other substances. This supports good skin compatibility of the flat protective insert, which is worn on the body.

The proposed addition-curing silicone materials cure at room temperature, which is usually assumed to be around 23 degrees Celsius. When crosslinking the silicone material, temperatures of around 23 to around 30 degrees Celsius can be used, for example. To set a desired Shore A hardness, the silicone material can, as is known per se, be mixed with the addition of admixtures, for example with the addition of hardener and/or crosslinkers in the desired mixing ratios. In one embodiment, it can be provided to mix a silicone color with the silicone material so that colored protective inserts can be produced, for example to match a skin color.

The overcoat can, for example, be formed with functional underwear, for example a T-shirt or underpants.

The overcoat can be made of an elastically stretchable material, such that after putting it on, the overcoat with the protective insert lies against the part of the body to be protected. The overcoat can thus be stretched or stretched when it is put over the body part, in order to then contract again so that the overcoat with the flat protective insert inserted therein lies closely to the body, as is known, for example, for rubber stockings or joint cuffs.

The flat protective insert can be formed with a layer structure with several layers of addition-curing silicone material, the layer structure having an inner layer with the anatomically shaped surface section and an outer layer with which an outer protective surface of the flat protective insert is formed. The use of the layer structure for the flat protective liner makes it possible to combine layers with different properties in the protective liner and thus vary the shock and impact protection provided with the flat protective liner and to provide the desired form depending on the application. The layers of the layer structure can be designed with the same or different layer thicknesses. It can be provided that the area covered by a first layer is smaller than the area covered by a second layer of the layer structure. Alternatively, the layer area covered by the layers can be essentially the same.

The inner layer can be made of addition-curing silicone material with a first hardness Shore A, and the outer layer can be made of addition-curing silicone material with a second hardness Shore A, which is greater than the first hardness Shore A. In this way, it is possible to provide a soft layer on the inside of the flat protective insert, i.e. opposite the body part, whereas a hard layer is formed on the outside on the side of the flat protective insert facing away from the body in order to provide optimized impact and shock protection. The soft layer on the inside improves the carrying properties for the person and also has a cushioning effect directly on the body in the event of an impact. In this or other embodiments, the layers in the layer structure of the flat protective insert can consist of the same or different silicone materials that are compatible with one another, so that when the different silicone materials are applied one on top of the other, an adhesive bond between the layers is created.

In the layer structure, at least one intermediate layer made of addition-curing silicone material can be arranged between the inner and outer layers. Providing one or more intermediate layers between the inner and outer layers expands the design options for individually adapted flat protective inserts.

The at least one intermediate layer can be made of addition-curing silicone material with a third Shore A hardness, which is greater than the first Shore A hardness. In this exemplary embodiment, the inner layer, i.e. close to the body, of the layer structure of the flat protective insert has the lowest Shore A hardness compared to the outer layer and the intermediate layer.

The layer structure can be formed with a Shore A hardness gradient from the inner to the outer layer, such that the third Shore A hardness is smaller than the second Shore A hardness. In this embodiment, the Shore A hardness increases, starting with the inner layer, layer by layer towards the outer layer, so that A hardness gradient can be formed via the layer structure.

In the layer structure, in addition to the inner layer, at least one further layer can have a spatial layer structuring that contributes to the formation of the anatomically shaped surface section of the flat protective insert. On the inside, which is opposite the body part, the flat protective insert is formed with the anatomically shaped surface section. In this embodiment it is provided that not only the inner layer, but at least one further layer, which follows the inner layer on the outside, is formed with a spatial layer structure (three-dimensional structure), which contributes to the anatomical formation of the surface section. If the device is arranged on the body part to be protected with the aid of the overcoat, an at least two-layer layer structure can then be anatomically formed on the body part.

The anatomically shaped surface portion of the flat protective pad can be adapted to a body part to be protected from the following group: arm, leg, joint, shoulder, hip, stomach, chest and back. Additionally or alternatively, the anatomically shaped surface section of the flat protective insert can be adapted to a body part to be protected from the following group: elbow, knee, shinbone, forearm, spine, pelvis, ribs, shoulder, shoulder blade, collarbone, pubic area/inner thigh, tailbone, buttocks (bones) and ankles. The fact that the anatomically shaped surface section of the flat protective inlay is adapted to a body part to be protected, free from the sole of the foot, means in particular that the anatomically shaped surface section of the flat protective inlay is adapted to a body part to be protected with the exception of the sole of the foot.

The overcoat can have a receiving pocket, and the flat protective insert can then be at least partially arranged in the receiving pocket. In this way, a desired local positioning of the protective insert on the part of the body to be protected is supported.

The configurations described above in connection with the device for protecting a part of a person's body can be provided accordingly in connection with the flat protective insert and / or the method for producing the flat protective insert.

When producing the flat protective insert, it can be provided that an impression is first made of the body part to be protected, for example using an impression silicone material, alginate or plaster bandages. Using the impression, a positive mold can then be created, for example in plaster. A material can be modeled onto the positive mold, for example plasticine. This structure then determines the thickness, size and, if applicable, anatomical shape of the flat protective insert.

Mold making can then be provided. A border can be made, for example manually from clay slabs or a prefabricated frame made of wood, so that a renewed cast, for example plaster or silicone, is possible, from which the finished negative mold then emerges. The plasticine is removed and the positive is assembled with the negative (closed shape). The cavity formed in this way corresponds to the later flat protective insert.

In another embodiment, an open shape is used. Only part of a shape is used. The basis is again modeling, this time on a smooth, straight surface. To do this, a border is attached and filled with the above-mentioned materials and/or silicone-compatible plastic. After removing the plasticine, the negative mold is ready for casting the protective insert.

The finished mold is used to apply the castable room temperature addition-curing silicone material with the desired Shore A hardness to it in order to provide the flat protective insert after drying and demoulding.

One difference lies in the shape of the desired surface. The closed form can be cast with a curvature, the open form is regularly straight on one side. Depending on the choice of material for the mold and the silicone rubber, a release agent can be added. The molds are cleaned after each use.

In the manufacturing process, a layer structure with several layers of addition-curing silicone material can be produced on the mold by gradually applying pourable silicone material several times, the layer structure having an inner layer with the anatomically shaped surface section and an outer layer with which an outer protective surface the flat protective insert is formed.

The castable silicone material may be applied according to one of the following method configurations: applying the castable silicone material to an exposed surface of the mold that includes the anatomically shaped surface portion; and introducing the castable silicone material into a cavity of the mold, in which the anatomically shaped surface portion forms a portion of a wall surrounding the cavity. In one embodiment, the pourable silicone material is introduced into a cavity. In another embodiment, the structured surface on which the pourable silicone material is applied is exposed, so that the silicone material is not poured into a cavity here. One or more layers of the silicone material can be applied, optionally with different layer properties, in particular with regard to Shore A hardness.

The flat protective insert can be partially or completely designed with an adhesive surface, at least on the side facing the body part to be protected, so that the anatomically shaped surface can be arranged to adhere to the body part to be protected. The adhesive effect can be provided, for example, by providing silicone material with a corresponding Shore A hardness (softness), so that a self-adhesive version is formed due to the silicone material used. Alternatively or additionally, an adhesive can be applied.

Alternatively or additionally, in the case of the flat protective insert, a surface which is partially or completely adhesive can be provided on the side facing away from the body part to be protected. In this way, it is possible to form a multi-part flat protective insert in which surfaces of flat partial protective inserts adhere to one another in order to form the flat protective insert. The adhesive surface can be formed on one or both of the sides that adhere to one another.

Description of exemplary embodiments

Fig. 1

eine schematische Schnittdarstellung einer Form zum Herstellen einer flachen Schutzeinlage, bei der gießfähiges Silikonmaterial auf einer freiliegenden Oberfläche der Form aufgetragen wird;

Fig. 2

eine schematische Schnittdarstellung einer Form mit einem Hohlraum, bei der gießfähiges Silikonmaterial zum Herstellen einer flachen Schutzeinlage in dem Hohlraum eingebracht wird;

Fig. 3

eine schematische Darstellung einer Person mit Vorrichtungen zum Körperschutz an Gliedmaßen;

Fig. 4

eine schematische Darstellung einer Person mit Vorrichtungen zum Körperschutz am Oberkörper;

Fig. 5

eine schematische Darstellung einer Person mit Vorrichtungen zum Körperschutz im Hüftbereich und

Fig. 6

eine schematische Darstellung einer Person mit Vorrichtungen zum Körperschutz im Rückenbereich.

Further exemplary embodiments are explained below with reference to figures in a drawing. Show here:

Fig. 1

is a schematic sectional view of a mold for making a flat protective liner in which castable silicone material is applied to an exposed surface of the mold;

Fig. 2

a schematic sectional view of a mold with a cavity in which castable silicone material for producing a flat protective liner in the cavity is introduced;

Fig. 3

a schematic representation of a person with body protection devices on limbs;

Fig. 4

a schematic representation of a person with devices for body protection on the upper body;

Fig. 5

a schematic representation of a person with devices for body protection in the hip area and

Fig. 6

a schematic representation of a person with devices for body protection in the back area.

Fig. 1 and 2 show different shapes 1, 20 in section, each of which has a spatially structured surface area 2, 21, which is modeled on the anatomical shape of a part of a person's body. For example, it can be a knee, elbow or shoulder joint. In order to produce a flat layer 3, 22 of a silicone material, this is mixed and introduced in a pourable form onto a previously exposed surface 4 or (from above) into a cavity 23, then dried and then removed from the mold.

The flat layer 3, 22 can have a multi-layer structure, which in Fig. 1 is shown schematically by means of a layer separating line 5. For this purpose, the silicone material is applied several times in succession, with a previous layer being allowed to at least partially crosslink/dry before the next layer is applied.

The silicone material used is addition-curing silicone with a Shore A hardness in the range from about 2 to about 75 that is cross-linked at room temperature. Compared to other materials, for example condensation-crosslinking silicone materials, such silicones have improved shrinkage behavior in the sense that a slight shrinkage occurs during crosslinking, for example only in a range of approximately 0.05 to approximately 0.2%. The proposed addition-curing silicone materials crosslink at room temperature. When crosslinking the silicone material, temperatures of around 23 to around 30 degrees Celsius can be used, for example. To set a desired Shore A hardness, the silicone material can, as is known per se, be mixed with the addition of admixtures, for example with the addition of hardeners, plasticizers and / or crosslinkers in the desired mixing ratios. In one embodiment, it can be provided to mix a silicone color with the silicone material so that colored protective inserts can be produced, for example to match a skin color.

In this way, a flat protective pad 31 is made of the silicone material for a person 30, which can then be used to form a protective device for a body part, as shown in FIGS Fig. 3ff . for different body parts of the person 30 is shown.

In order to position and hold the flat protective insert 31 in the area of the body part to be protected, a cover 32 is provided, which can have a receiving pocket on the inside into which the flat protective insert 31 is inserted or inserted in order to then place the cover 32 over the corresponding body part to pull. The overcoat can have the shape of a stocking-like overcoat that is open on both sides, but a design as a hip belt, upper body shirt or a trouser-like overcoat can also be provided.

From the Fig. 3ff . It follows that one or more flat protective inserts 31 can be provided in the overcoat 32 in order to locally protect different parts or sections of the body.

The protective devices shown are arranged in a minimally bulky manner on the body and can be used, for example, to protect the person during film or television recordings, especially in connection with action scenes. The protective device can also be used in sports, such as figure skating and dance.

The features disclosed in the above description, the claims and the drawing can be important both individually and in any combination for the realization of the various designs.

Claims (14)

Device for protecting a part of a person's body (30) from impact and shock, with - an overcoat (32) for covering at least one part of the body to be protected and - a flat protective insert (31), which can be arranged in the area of the body part to be protected by means of the cover (32) and has a surface section anatomically shaped corresponding to the body part to be protected on a side facing the body part to be protected;
where - the protective insert (31) is made of a room temperature addition-curing silicone material with a Shore A hardness in the range from about 2 to about 75; and - The anatomically shaped surface section of the flat protective insert (31) is adapted to a body part to be protected, free from the sole of the foot. Device according to claim 1, characterized in that the overcoat is made of an elastically stretchable material, such that after putting on the overcoat with the protective insert (31) lies against the part of the body to be protected. Device according to claim 1 or 2, characterized in that the flat protective insert (31) is formed with a layer structure with several layers of addition-curing silicone material, the layer structure having an inner layer with the anatomically shaped surface section and an outer layer with which an outer Protective surface of the flat protective insert (31) is formed. Device according to claim 3, characterized in that the inner layer is made of addition-curing silicone material with a first hardness Shore A and the outer layer is made of addition-curing silicone material with a second hardness Shore A, which is greater than the first hardness Shore A. Device according to claim 3 or 4, characterized in that at least one intermediate layer made of addition-curing silicone material is arranged in the layer structure between the inner and the outer layer. Device according to claims 4 and 5, characterized in that the at least one intermediate layer is made of addition-curing silicone material with a third hardness Shore A, which is greater than the first hardness Shore A. Device according to claim 6, characterized in that the layer structure from the inner to the outer layer is formed with a Shore A hardness gradient, such that the third Shore A hardness is smaller than the second Shore A hardness. Device according to at least one of claims 3 to 7, characterized in that in the layer structure, in addition to the inner layer, at least one further layer has a spatial layer structuring which contributes to the formation of the anatomically shaped surface section of the flat protective insert (31). Device according to at least one of the preceding claims, characterized in that the anatomically shaped surface portion of the flat protective insert (31) is adapted to a body part to be protected from the following group: arm, leg, joint, shoulder, hip, stomach, chest and back. Device according to at least one of the preceding claims, characterized in that the overcoat (32) has a receiving pocket and the flat protective insert (31) is at least partially arranged in the receiving pocket. Flat protective insert (31) for a device according to at least one of the preceding claims, wherein the protective insert (31) has a surface section corresponding anatomically to a body part to be protected on a side facing the body part to be protected and made of a silicone material with a Shore hardness that is addition-curing at room temperature A is in the range from about 2 to about 75, wherein the anatomically shaped surface portion of the flat protective insert (31) is adapted to a body part to be protected free of the sole of the foot. Method for producing a flat protective insert (31) for a device for protecting a part of a person's body from impact and impact according to at least one of the preceding claims, comprising - Providing a mold (1; 20) with an anatomically shaped surface section (2; 21), which is surface structured according to a body part to be protected; - Applying a pourable silicone material that is addition-curing at room temperature and has a Shore A hardness in the range from about 2 to about 75, at least in the area of the anatomically shaped surface section (2; 21); - Drying the applied silicone material and - demoulding the dried silicone material, wherein the anatomically shaped surface section of the flat protective insert (31) is adapted to a body part to be protected, free from the sole of the foot. Method according to claim 12, characterized in that a layer structure with several layers of addition-curing silicone material is produced on the mold (1; 20) by applying castable silicone material several times, the layer structure having an internal layer with the anatomically shaped surface section (2; 21 ) and has an outer layer with which an outer protective surface of the flat protective insert (31) is formed. Method according to claim 12 or 13, characterized in that the pourable silicone material is applied according to one of the following method configurations: - Applying the castable silicone material to an exposed surface (4) of the mold (1), which includes the anatomically shaped surface portion (2); and - Introducing the castable silicone material into a cavity (23) of the mold (20), in which the anatomically shaped surface section (21) forms a section of a wall surrounding the cavity (23).

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