EP3723531B1 - Casque de protection - Google Patents
Casque de protection Download PDFInfo
- Publication number
- EP3723531B1 EP3723531B1 EP18822034.7A EP18822034A EP3723531B1 EP 3723531 B1 EP3723531 B1 EP 3723531B1 EP 18822034 A EP18822034 A EP 18822034A EP 3723531 B1 EP3723531 B1 EP 3723531B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- main
- region
- outer shell
- protective helmet
- cut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001681 protective effect Effects 0.000 title claims description 65
- 239000000835 fiber Substances 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 43
- 239000002131 composite material Substances 0.000 claims description 31
- 239000011159 matrix material Substances 0.000 claims description 30
- 238000013016 damping Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 229920003235 aromatic polyamide Polymers 0.000 claims 1
- 239000002657 fibrous material Substances 0.000 description 34
- 238000004891 communication Methods 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 8
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920001567 vinyl ester resin Polymers 0.000 description 7
- 229920000049 Carbon (fiber) Polymers 0.000 description 5
- 239000004917 carbon fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/0406—Accessories for helmets
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/06—Impact-absorbing shells, e.g. of crash helmets
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/06—Impact-absorbing shells, e.g. of crash helmets
- A42B3/062—Impact-absorbing shells, e.g. of crash helmets with reinforcing means
- A42B3/063—Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/30—Mounting radio sets or communication systems
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
- A42C2/00—Manufacturing helmets by processes not otherwise provided for
- A42C2/002—In-mould forming
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
Definitions
- the invention relates to a protective helmet with the features of the preamble of claim 1 and a method for producing a protective helmet.
- a safety helmet is mandatory for many activities, including regularly when riding a motorcycle. Not only does such a protective helmet, with its safety-related and extensive coverage of the rider's head, but also the noise generated by the motorcycle's engine and the road noise make unamplified verbal communication by motorcyclists practically difficult or impossible while driving.
- wireless radio links and appropriate arrangements of microphones and headphones enable motorcyclists to communicate with each other, even in a larger group and while driving.
- An important aspect is the maximum possible distance between the communication participants. It is obvious that, on the one hand, larger distances between the individual motorcyclists exist or can arise - e.g. B. if the group by a traffic light or the like. is separated from each other or distributed over a longer distance - and that, on the other hand, the transmission power should not be increased at will. This is mainly because the related devices on a motorcycle are regularly powered by batteries, which are not easy to charge on the go, and also the exposure of the rider to radio waves should not be excessively increased.
- the antenna and its placement also play an important role in the question of range.
- the antenna for this communication is regularly arranged on the protective helmet itself. Since the microphone and the loudspeakers are regularly attached to the protective helmet anyway, this eliminates the need to provide a separate component which would have to be held or attached in some other way.
- the arrangement on the protective helmet also allows the antenna to be effectively protected against damage.
- the object of the invention is to further develop and improve the protective helmet with an antenna known from the prior art and a corresponding manufacturing process in such a way that an improved range can be achieved while retaining the desired mechanical properties as far as possible.
- this object is solved by the features of the characterizing part of claim 1.
- this object is achieved by a method for producing a protective helmet having the features of claim 15.
- a partial area can be provided in the outer shell of the protective helmet, which has a lower attenuation for radio signals because it consists of a different material that is more suitable in this respect.
- an improved range for communication with the antenna can then be achieved without having to make significant compromises in mechanical or other respects.
- an increased weight of this other material becomes negligible if the partial area is small compared to the rest of the outer shell.
- the protective helmet according to the invention which can in particular be a motorcycle protective helmet, has an outer shell for distributing impact forces and an antenna for transmitting a radio signal, which is arranged at least partially on the inside of the outer shell, with the outer shell consisting of a main material in a main area.
- the radio signal can be any analog or digital signal, possibly according to any communication protocol in principle.
- the antenna can be set up for sending and alternatively or additionally for sending out the radio signal.
- Arranging the antenna at least partially on the inside of the outer shell means that at least part of the outer shell is arranged between the antenna and an outside of the outer shell.
- the antenna may be surrounded by the outer shell both on the inside and on the outside.
- the inside of the outer shell is concave and corresponds to the direction towards the head of a protective helmet wearer.
- the outside of the outer shell is correspondingly convex.
- the main area is part of the outer shell.
- the main material is in principle any material.
- the protective helmet according to the invention is characterized in that the outer shell consists of a cut-out material in a cut-out area, which has a lower damping effect on the radio signal than the main material.
- the cutout area is a part of the outer shell that does not overlap with the main area, and which can in particular be smaller than the main area.
- the outer shell may consist of the main area and the cutout area.
- the damping effect in the present sense is, in particular, damping by dielectric adsorption.
- the main material can be any material.
- a preferred embodiment of the protective helmet is characterized in that the main material is a main fiber composite material with a main fiber material.
- the main fibrous material can be fibers of any fabric or fibers of any different fabrics. Accordingly, the main fiber composite material is in principle any fiber composite material.
- the cut-out material is made of an auxiliary fiber composite.
- the secondary fiber composite material can also be any fiber composite material.
- the secondary fiber composite material has a secondary fiber material that is different from the main fiber material.
- the secondary fiber composite material can also have a large number of different secondary fiber materials, which may also be distributed inhomogeneously in some areas. In these cases, the lower attenuation of the cut-out material can be due to the correspondingly different properties of the secondary fiber material. It is therefore preferred that the secondary fiber material has a lower, in particular specific, damping effect on the radio signal than the main fiber material.
- the specific damping effect is the damping effect related to a volume unit of the secondary fiber material.
- the sub-fibrous material has lower dielectric adsorption than the main fibrous material.
- the secondary fiber material preferably comprises or consists of glass fibers, aramid fibers and/or polyethylene fibers.
- the secondary fiber material and alternatively or additionally the main fiber material can be present as a non-crimp fabric, woven fabric, knitted fabric or other textile structure.
- a further preferred embodiment of the protective helmet is characterized in that the main fiber composite material has a main matrix material for embedding the main fiber material.
- the main matrix material can—particularly when cured—form the main fiber composite material with the main fiber material.
- the secondary fiber composite material has a secondary matrix material for embedding the secondary fiber material.
- the secondary matrix material particularly cured—can form the secondary fiber composite material with the secondary fiber material.
- the major matrix material and/or the minor matrix material may comprise or consist of vinyl ester resin.
- the main fiber material has carbon fibers.
- the main fiber material can also essentially consist of carbon fibers.
- the secondary matrix material can also be different from the main matrix material.
- the composition of the main matrix material is Essentially corresponds to the secondary matrix material. In this case, the same matrix material can be used overall for the outer shell.
- the main area and the cut-out area are materially connected to one another.
- the main area and the cut-out area are bonded to one another by the main matrix material and the secondary matrix material.
- the material connection between the main area and the cutout area is produced by the curing of the main matrix material and the secondary matrix material.
- these two materials can be essentially the same material.
- the main area and the cutout area are connected to each other along their border essentially exclusively in a materially bonded manner. This boundary is the boundary between the main area and the clipping area.
- An advantageous embodiment provides that there is a level transition between the main area and the cutout area along the border. In other words, the above transition is stepless, particularly on the outside of the outer shell.
- the outer shell is formed in one piece.
- a preferred embodiment of the protective helmet is characterized in that the cut-out area adjoins the main area in at least three directions on the outer shell. These three directions are the four mutually perpendicular or opposite directions on the two-dimensional plane formed by the outer or inner side of the outer shell. Adjacent in exactly three directions is the case, for example, when the cutout area adjoins an edge of the outer shell and is otherwise completely surrounded by the main area. Even without adjoining the edge of the outer shell in this way, it is preferable for the cutout area to be completely enclosed by the main area, ie in particular to adjoin the main area in four directions in the above sense.
- the antenna can be arranged in any way in relation to the outer shell.
- Another preferred embodiment of the protective helmet is characterized in that the antenna touches the outer shell. This means that the antenna is in contact with the outer shell.
- the antenna may touch the cutout area. In this way, the low damping effect of the cutout area is particularly effective.
- the antenna can be arranged in a bag-like pocket in the outer shell.
- the antenna may be attached to an inside of the outer shell.
- the antenna cannot touch the outer shell at all, in a partial section or only at certain points.
- the antenna as a whole is in contact with the outer shell.
- the area of the outer shell that is in contact with the antenna is the extension area.
- the extension area is essentially completely encompassed by the cutout area.
- a safety distance from the main area can also be provided.
- the extension area maintains a minimum distance from the main area, which more preferably is at least 10 mm.
- the outer shell is designed concavely to partially enclose a head of a protective helmet wearer, so that it defines a center point according to a center of the head, so that a point reflection of at least part of the cutout area at the center point defines a mirror area and that a mirror area radio path of the radio signal emanating from the antenna and leading through the mirror area has less attenuation than a main area radio path of the radio signal leading through the main area.
- the area opposite the antenna also has reduced attenuation.
- there is an unlimited number of radio paths from the antenna through the mirror area that is to say radio paths in the mirror area.
- the reduced attenuation is present for at least one such mirrored area radio path.
- the reduced attenuation does not therefore have to apply to all conceivable radio paths in the mirror area.
- the above statement that the mirror area radio link originates from the antenna only defines the course of the mirror area radio link and does not restrict the direction of the radio signals - corresponding to a transmission from the antenna or a reception by the antenna - on this route.
- a first preferred variant provides that the mirror area overlaps an opening area of the outer shell.
- the opening area can be, for example, the visor opening or the head opening for putting on the helmet.
- a second preferred variant provides that the cutout area overlaps with the mirror area.
- at least part of the mirror area also consists of the cut-out material.
- the cutout area is multi-part, that a first coherent cutout subarea comprises the extension area, that a second coherent cutout subarea overlaps with the mirror area and that the main area separates the first and the second contiguous cutout area from one another.
- a preferred embodiment of the protective helmet is characterized in that the protective helmet has an inner layer accommodated by the outer shell Attenuation of impact forces. It is then preferred that at least part of the outer shell is arranged between the antenna and the inner layer.
- the antenna can have any shape or configuration.
- a further preferred embodiment of the protective helmet is characterized in that the antenna has a greater extension along a longitudinal direction than along a transverse direction running transversely to the longitudinal direction.
- the antenna has an elongated shape.
- the antenna is preferably arranged in such a way that the longitudinal direction is aligned essentially vertically. This has proved to be a particularly advantageous position when wearing the protective helmet.
- the antenna on the outer shell is arranged essentially centrally in relation to a transverse direction of the outer shell, which transverse direction of the outer shell is defined by a left and a right lateral direction of a protective helmet wearer.
- the protective helmet has a transmission line for coupling the antenna to a communication device.
- the protective helmet has a slot for receiving the communication device, in particular in a removable manner, and this slot has a contact arrangement for contacting the communication device with the transmission line.
- the protective helmet has a connection arrangement for connecting an external contact to the transmission line.
- the communication arrangement is not arranged on the protective helmet, but only an electrical connection, e.g. B. by a cable, with the transmission line established.
- the communication device is preferably a digital communication device and in particular a Bluetooth communication device.
- the antenna is preferably set up for the transmission of digital radio signals, which in particular can be Bluetooth radio signals.
- the method according to the invention serves to produce a protective helmet with an outer shell for the distribution of impact forces.
- a main fiber material for forming a main fiber composite material is placed in a main portion of the outer shell in a molding device for forming the outer shell.
- the main fiber material is arranged in the molding device for molding the outer shell so that it forms a main fiber composite material in the main area of the outer shell.
- a main matrix material surrounding the main fiber material is also cured for embedding the main fiber material, with a cutout area of the outer shell being formed from a cutout material, with an antenna for transmitting a radio signal being arranged at least partially on the inside of the outer shell and with the cutout material facing the main fiber composite material has a lower attenuation effect on the radio signal.
- a preferred embodiment of the method is characterized in that the cut-out material comprises a secondary fiber material, the secondary fiber material being arranged in the forming device together with the main fiber material.
- a secondary matrix material surrounding the secondary fibrous material is cured to embed the secondary fibrous material, this preferably occurring substantially simultaneously with the curing of the main fibrous material.
- the secondary matrix material forms a secondary fiber composite material with the secondary fiber material. It is further preferred that the secondary matrix material has essentially the same composition as the main matrix material.
- the safety helmet shown is a motorcycle safety helmet. It has an outer shell 1, which specifically in an exploded view in the 1 is shown.
- the protective helmet also has an antenna 2, which is set up here for Bluetooth communication and specifically for this purpose by means of a transmission line 3 with a contact arrangement of a slot 4 for receiving a communication device—not shown separately here.
- the communication device transmits and receives radio signals by means of the antenna 2 .
- the outer shell 1 consists of a main material, which is a fiber composite material with carbon fibers as the fiber material and vinyl ester resin as the matrix material.
- This main material can also be referred to as the main fiber composite material.
- the outer shell 1 consists of a cut-out material, which here consists of another fiber composite material, which comprises glass fibers as the fiber material and also vinyl ester resin as the matrix material.
- This further fiber composite material can also be referred to as secondary fiber composite material.
- the use of the glass fibers means that the attenuation effect of the secondary fiber composite material on the radio signals is less than the attenuation effect of the main fiber composite material. Therefore, the cushioning effect of the cutout portion 6 is lower than that of the main portion 5.
- the vinyl ester resin is the same.
- the carbon fibers and the glass fibers were introduced into the corresponding molding device as a lay-up according to the desired arrangement of the cut-out area 6 .
- a joint impregnation with the vinyl ester resin and then a curing of the vinyl ester resin took place.
- an exclusively materially bonded connection was created between the cutout area 6 and the main area 5 by means of the vinyl ester resin along the border 7 between the cutout area 6 and the main area 5.
- the main area 5 encloses the cut-out area 6 completely.
- the cut-out area 6 could extend to the lower edge 8 of the outer shell 1 .
- the antenna 2 is elongate and extends lengthwise along the cutout area 6.
- a corresponding longitudinal direction 16 and a transverse direction 17 running transversely to the longitudinal direction 16 are in FIG 1 shown.
- the corresponding contact surface of the antenna 2 defines a in the 1 indicated extension area 9, which lies completely within the cut-out area 6 and is at a distance from the main area 5.
- the present arrangement of the antenna 2 results in a substantially vertical orientation when the protective helmet is worn.
- the radiation characteristic of the antenna 2 is such that a first main direction passes through the cutout area 6 essentially perpendicularly to the outer shell 1 .
- the second main direction of the antenna 2 is exactly the opposite. This fact is in the 2 shown in more detail.
- the outer shell 1 defines a center point 10 corresponding to the center of the head of a protective helmet wearer.
- a mirror area 11 - shown here only in the side view - is defined by a point reflection of the section area 6 .
- a radio link of the radio signal starting from the antenna 2 and leading through this mirror area 11 defines a mirror area radio link 12.
- the lower attenuation is due to the embodiment of the 1 and 2 in that the mirror area 11 is arranged in the visor opening and because of this opening there is no attenuation through the outer shell 1 along the mirror area radio link 12 .
- the attenuation by the visor 19 is much lower.
- the mirror area 11 therefore overlaps with an opening area 14 formed by the visor opening.
- the mirror area 11 it would also be conceivable for the mirror area 11 to be located in the outer shell 1, but for the outer shell 1 in the mirror area 11 also to consist of a material which is different from the main material of the main area 5 has a lower damping effect.
- the mirror area 11 would also be in lie in the cutout area 6, in which case the cutout area 6 can also consist of a large number of partial areas that may not be connected to one another.
- the protective helmet shown also has an inner layer 15 for absorbing impact forces, which in the present case consists of expanded polystyrene (EPS).
- EPS expanded polystyrene
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Helmets And Other Head Coverings (AREA)
Claims (15)
- Casque de protection, notamment casque de moto, pourvu d'une coque extérieure (1), destinée à distribuer les forces d'impact et d'une antenne (2), placée au moins en partie sur la face interne de la coque extérieure (1) pour transmettre un signal radio, dans une zone principale (5), la coque extérieure (1) étant constituée d'une matière principale, caractérisé en ce que dans une zone de découpe (6), la coque extérieure (1) est constituée d'une matière de découpe, laquelle a un effet d'atténuation moindre que celle de la matière principale sur le signal radio.
- Casque de protection selon la revendication 1, caractérisé en ce que la matière principale est un composite principal de fibres comportant une matière fibreuse principale, de préférence en ce que la matière de découpe est constituée d'un composite auxiliaire de fibres, de manière préférentielle, par ailleurs, en ce que le composite auxiliaire de fibres comporte une matière fibreuse auxiliaire, différente de la matière fibreuse principale, notamment en ce que la matière fibreuse auxiliaire comporte des fibres de verre, des fibres d'aramide et/ou des fibres de polyéthylène.
- Casque de protection selon la revendication 2, caractérisé en ce que le composite principal de fibres comporte une matière matricielle principale, destinée à y incorporer la matière fibreuse principale, notamment en ce que le composite auxiliaire de fibres comporte une matière matricielle auxiliaire, destinée à y incorporer la matière fibreuse auxiliaire.
- Casque de protection selon la revendication 3, caractérisé en ce que la matière fibreuse principale comporte des fibres de carbone, est de préférence constituée principalement de fibres de carbone, notamment en ce que la matière matricielle principale correspond sensiblement au niveau de sa composition à la matière matricielle auxiliaire.
- Casque de protection selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la zone principale (5) et la zone de découpe (6) sont assemblées l'une à l'autre par conjugaison de matières, notamment en ce que la zone principale (5) et la zone de découpe (6) sont assemblées l'une à l'autre par conjugaison de la matière matricielle principale et de la matière matricielle auxiliaire, de préférence en ce que le long de leur lisière (7), la zone principale (5) et la zone de découpe (6) sont assemblées l'une à l'autre pratiquement exclusivement par conjugaison de matières.
- Casque de protection selon l'une quelconque des revendications 1 à 5, caractérisé en ce que sur la coque extérieure (1), la zone de découpe (6) est adjacente dans au moins trois directions à la zone principale (5), de préférence en ce que la zone de découpe (6) est totalement entourée par la zone principale (5).
- Casque de protection selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'antenne (2) touche la coque extérieure (1), touche de préférence la zone de découpe (6), notamment en ce que l'antenne (2) est placée dans une pochette en forme de sac de la coque extérieure (1).
- Casque de protection selon la revendication 7, caractérisé en ce que l'antenne (2) s'étend sensiblement en totalité sur une zone d'extension (9) de la coque extérieure (1), de préférence en ce que la zone d'extension (9) est comprise pratiquement totalement dans la zone de découpe (6), notamment en ce que la zone d'extension (9) observe un écart minimum par rapport à la zone principale (5) qui de manière plus préférentielle, est d'au moins 10 mm.
- Casque de protection selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la coque extérieure (1) est conçue sous forme concave, pour entourer partiellement la tête d'un porteur du casque de protection, de sorte à définir un point médian (10) selon un milieu de la tête, en ce qu'une réflexion ponctuelle au moins d'une partie de la zone de découpe (6) définit sur le point médian (10) une zone de réflexion (11) et en ce qu'un trajet radio (12) du signal radio de la zone de réflexion partant de l'antenne (2) et menant à travers la zone de réflexion (11) fait preuve d'une atténuation moindre à celle d'un trajet radio (13) du signal radio de la zone principale menant à travers la zone principale (5).
- Casque de protection selon la revendication 9, caractérisé en ce que la zone de réflexion (11) chevauche une zone d'ouverture (14) de la coque extérieure (1).
- Casque de protection selon la revendication 9, caractérisé en ce que la zone de découpe (6) chevauche la zone de réflexion (11), de préférence en ce que la zone de découpe (6) est en plusieurs parties, en ce qu'une première zone de découpe partielle cohérente comprend la zone d'extension (9), en ce qu'une deuxième zone de découpe partielle cohérente comprend la zone de réflexion (11) et en ce que la zone principale (5) sépare l'une de l'autre la première et la deuxième zones de découpe partielles cohérentes.
- Casque de protection selon l'une quelconque des revendications 1 à 11, caractérisé en ce que le casque de protection comporte une couche intérieure (15) réceptionnée par la coque extérieure (1), destinée à amortir des forces d'impact, de préférence en ce qu'au moins une partie de la coque extérieure (1) est placée entre l'antenne (2) et la couche intérieure (15).
- Casque de protection selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le long d'une direction longitudinale (16), l'antenne (2) présente une expansion supérieure à celle le long d'une direction transversale (17) s'écoulant à la transversale de la direction longitudinale (16), de préférence, en ce que l'antenne (2) est placée de telle sorte que la direction longitudinale (16) soit sensiblement orientée à la verticale.
- Casque de protection selon l'une quelconque des revendications 1 à 13, caractérisé en ce que sur la coque extérieure (1), l'antenne (2) est placée sensiblement au centre en rapport à une direction transversale (18) de la coque extérieure, laquelle direction transversale (18) de la coque extérieure est définie par une direction latérale gauche et une direction latérale droite d'un porteur du casque de protection.
- Procédé, destiné à fabriquer un casque de protection pourvu d'une coque extérieure (1) destinée à distribuer des forces d'impact, lors duquel l'on place dans un dispositif de moulage une matière fibreuse principale destinée à former un composite principal de fibres dans une zone principale (5) de la coque extérieure (1), pour façonner la coque extérieure (1) et l'on fait durcir une matière matricielle principale entourant la matière fibreuse principale, pour incorporer la matière fibreuse principale, lors duquel l'on créée une zone de découpe (6) de la coque extérieure (1) en une matière de découpe, lors duquel l'on place une antenne (2) destinée à transmettre un signal radio au moins en partie sur la face interne de la coque extérieure (1) et la matière de découpe ayant un effet d'atténuation moindre que celle du composite fibreux principal sur le signal radio.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017130109 | 2017-12-15 | ||
DE102017130373.1A DE102017130373A1 (de) | 2017-12-15 | 2017-12-18 | Schutzhelm |
PCT/EP2018/084594 WO2019115629A1 (fr) | 2017-12-15 | 2018-12-12 | Casque de protection |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3723531A1 EP3723531A1 (fr) | 2020-10-21 |
EP3723531B1 true EP3723531B1 (fr) | 2022-03-09 |
Family
ID=66674552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18822034.7A Active EP3723531B1 (fr) | 2017-12-15 | 2018-12-12 | Casque de protection |
Country Status (6)
Country | Link |
---|---|
US (1) | US11696610B2 (fr) |
EP (1) | EP3723531B1 (fr) |
CN (1) | CN111836561B (fr) |
DE (1) | DE102017130373A1 (fr) |
ES (1) | ES2914794T3 (fr) |
WO (1) | WO2019115629A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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-
2017
- 2017-12-18 DE DE102017130373.1A patent/DE102017130373A1/de active Pending
-
2018
- 2018-12-12 EP EP18822034.7A patent/EP3723531B1/fr active Active
- 2018-12-12 ES ES18822034T patent/ES2914794T3/es active Active
- 2018-12-12 US US16/772,885 patent/US11696610B2/en active Active
- 2018-12-12 WO PCT/EP2018/084594 patent/WO2019115629A1/fr unknown
- 2018-12-12 CN CN201880086943.7A patent/CN111836561B/zh active Active
Also Published As
Publication number | Publication date |
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EP3723531A1 (fr) | 2020-10-21 |
DE102017130373A1 (de) | 2019-06-19 |
US11696610B2 (en) | 2023-07-11 |
CN111836561A (zh) | 2020-10-27 |
ES2914794T3 (es) | 2022-06-16 |
CN111836561B (zh) | 2023-06-13 |
US20200305532A1 (en) | 2020-10-01 |
WO2019115629A1 (fr) | 2019-06-20 |
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