• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Eye protection mask (1) for practicing outdoor sports, comprising: an eye protection screen (3), - a frame (2) supporting the screen, - a comfort element (5) integral with the frame, comfort element comprising a nasal portion (52) for engaging a portion of the nose of the user and a front portion (51) for engaging a portion of the user's forehead. The material used for the nasal portion has different crushing mechanical properties of the material used for the front part so that the maximum crushing stroke of the material of the nasal part urged by a determined compressive force is greater than the stroke crushing of the material of the front portion biased by the same compression force determined.
    公开号:FR3029403A1
    申请号:FR1402790
    申请日:2014-12-05
    公开日:2016-06-10
    发明作者:Herve Favre-Felix；Thierry Donnadieu
    申请人:Salomon SAS；
    IPC主号:
    专利说明:

    [0001] The invention relates to eye protection masks, in particular protective masks for the practice of outdoor sports, such as skiing or alpine surfing, mountain biking or motocross. Protective masks are usually used during certain outdoor sports to protect the user's eyes from wind, water, mud or sunlight. Such a mask generally comprises a frame supporting a transparent protective screen and a strap attached to both sides of the frame. The strap keeps the mask on the face by partially surrounding the skull of the user. Comfort elements are usually added to the frame to improve the comfort of wearing the mask. These comfort elements are placed at the interface between the frame and the face. They often form a band of foam surrounding the eyes by leaning on part of the forehead, temples, cheekbones and part of the user's nose. These comfort elements are characterized by damping properties and roughness of the contact surface. Indeed, to maintain the mask at eye level, it is necessary to exert a force of plating the frame to the face, via the strap. If there are no comfort elements, the contact of the plastic frame on the face is not pleasant. In addition, the chassis is deformed little and does not allow a good adaptation to the different morphologies of the face. The airtightness of the internal volume of the mask is not very good. Drafts can penetrate this volume which is also unpleasant for the eyes. To overcome these problems, a comfort foam is generally added to the chassis. This foam provides the adaptation to the morphology of the face, the attenuation of the contact pressure, the softness and the sought isolation. Document US 2011/0289662 proposes a comfort element made of viscous foam. This material adapts well to the morphology within the limit of the possible local deflection of the foam. Moreover, it is a material not very obvious to put in shape. Document US 2013/0067626 discloses a multilayer comfort element whose thickness of the element is greater in the lateral zones than in the upper and lower central zones. This construction allows a good veneer of the side areas when the user wears a helmet. The comfort elements of the prior art have substantially the same crushing characteristics around the eyes. They often have a thickness substantially constant and not very thick, in any case, in the contact areas of the forehead and the nose. However, the morphology of the face of an individual to another is very variable and in particular, at the level of the nose. Thus, depending on the morphology of the user, the morphological adaptation will be substantially similar in the frontal area and in the nasal area, which is not very comfortable. The nose can then be subjected to unpleasant pressure. In addition, 3029403 2 the nose wrap may not be very good. The seal of the mask may be less good from one individual to another because the deformation of the comfort element in the nasal area is generally low. The object of the invention is to provide an improved mask for better wearing comfort. One goal is to better adapt to the different morphologies of individuals. Another object is to control the distribution of the pressure of maintenance of the mask on the face on defined areas. Another goal is to reduce the pressure exerted on the nose.
    [0002] Another object is to improve the tightness of the interior volume of the mask. The invention provides an eye protection mask for the practice of outdoor sports including: - an eye protection screen, - a frame supporting the screen, 15 - a comfort element secured to the frame, the comfort element comprising a nasal portion for engaging a portion of the nose of the user and a front portion for engaging a portion of the user's forehead. The mask is characterized by the fact that the material used for the nasal part has different crushing mechanical properties of the material used for the front part so that the maximum crushing stroke of the material of the nasal part stressed by an effort determined compression is greater than the crushing stroke of the material of the front part urged by the same compression force determined. With this construction, the nasal portion of the comfort element can deform more than the front portion. It can therefore better adapt to the complex geometry of the nose and exert a lower pressure on the wings of the nose, sensitive areas. The breathing of the user is not disturbed because the nostrils remain fully open, the wings of the nose not being crushed. By better matching the curves of the nose, the comfort element improves the tightness in this area.
    [0003] According to advantageous but non-obligatory aspects of the invention, such a mask may incorporate one or more of the following features, taken in any technically permissible combination: At least one material constituting the nasal and / or frontal parts is composite, the material then comprising several layers of different materials.
    [0004] The material of the front part and / or the material of the nasal part comprises successively, from the frame, a first foam layer of a first type and a second foam layer of a second type, the density of the foam of the first layer being stronger than the density of the foam of the second layer. 3029403 - The thickness of the second layer of the nasal portion is greater than the thickness of the second layer of the front portion. The second two layers consist of the same type of foam. The density of the foam of the second layer of the nasal part is less than the density of the foam of the second layer of the front part. The foam of the first layer of the nasal part is different in nature from the foam of the first layer of the front part. The thickness of the nasal part is greater than the thickness of the front part. The comfort element comprises two lateral parts, each lateral part being intended to come into contact with the temple and the cheekbone on one side of the user's face, each lateral part connecting one end of the front part to a second one. end of the nasal part. - The material used for the side parts having mechanical crushing properties intermediate to the materials used for the nasal and frontal parts. - The comfort element comprises at least two separate parts, a first piece forming the nasal portion, the second piece forming the front portion. Other features and advantages of the invention will be better understood from the description which follows, with reference to the accompanying drawings illustrating, in non-limiting embodiments, how the invention can be realized, and in which: - Figure 1 is a front perspective view of the mask according to a first embodiment of the invention; - Figure 2 is a rear perspective view of the mask without strap; Figure 3 is a bottom view of the mask without strap; Figure 4 is a simplified rear view of the mask without strap; Figure 5 is a simplified rear view of a second embodiment; Figure 6 is a simplified rear view of a third embodiment. The mask 1 comprises a frame 2 supporting an eye shield 3. A strap 4 is attached to the lateral ends of the frame 2. The strap 4 and the frame 2 form a loop intended to surround the skull of the user to ensure the safety. keeping the mask in place. In the remainder of the description, terms such as "horizontal", "vertical", "upper", "lower", "up", "down", "front", "back", "front" will be used. , " behind ". These terms should in fact be interpreted relatively in relation to the normal position that the mask occupies on the user's face when he is standing with his head upright. By "back" is meant the parts oriented head / eyes side of the user. The chassis 2 supports a comfort element 5 disposed at the rear of the chassis, at the interface between the chassis and the face of the user. The comfort element is intended to come into contact with areas of the face surrounding the eyes.
    [0005] The comfort element 5 comprises at least a front portion 51 intended to come into contact with a portion of the user's forehead and a nasal portion 52 intended to come into contact with a part of the nose of the user. The front part covers an area of the forehead located substantially above the eyebrows. The comfort element thus presses on a "hard" zone because of the presence of the frontal bone of the skull. The nasal part covers the back of the nose, the flanks of the nose, at the limit of the wings of the nose. This nasal part can also extend on a medial part of the cheekbones. In this region, the comfort element thus supports a "soft" area and sensitive because of the presence of cartilage more fragile than the cranial bone.
    [0006] The comfort element may be a unitary piece integrating the front part and the nasal part. Alternatively, the comfort element may comprise several separate parts, each being connected to the frame. For example, the front part and the nasal part are two separate parts. The comfort element comprises at least two parts. Each portion corresponds to a specific bearing area on the face. Each part is made of material having specific mechanical properties. Within the meaning of the invention, a material may be a single material layer or a composite consisting of several layers of different materials. In the latter case, this material corresponds to a "complexing". The invention is characterized in that the material used for the nasal portion has different crushing mechanical properties of the material used for the front part so that the maximum crushing stroke of the material of the nasal portion urged by a determined compression force is greater than the crushing stroke of the material of the front part stressed by the same compression force determined. In other words, if the same compression force is exerted on the frontal part and on the nasal part, the nasal part will deform more. The crushing of a portion of the comfort element corresponds to a compression of the comfort element in its thickness, namely in a horizontal direction reflecting the compression of the comfort element between the face and the frame. The compressive force is therefore a force exerted in an X direction oriented according to the thickness of the comfort element. The crushing stroke corresponds to the variation of the position of the face on which the compressive force is exerted in direction X. This stroke is equal to the difference between the position of the unsolicited face and the position of the face biased by the determined compressive force. To obtain this difference in stroke between the two parts, frontal and nasal, several solutions are possible. In a first case, at least one layer of the nasal portion 52 is made of a softer material than the material of at least one layer of the front portion 51. Accordingly, the softer material of the nasal portion may be deform more than the material used for the front part. For example, foams having different densities can be used. For the nasal part, a foam having a lower density than a foam used for the frontal part is used. Thus, being less dense, the foam of the nasal part deforms more than the foam of the front part. The nasal and / or frontal portion may be monolayer or multilayer. The thickness of the nasal portion 5 may be the same or different from the thickness of the front portion. In a second case, the thickness of at least one layer of the nasal portion is greater than the thickness of at least one layer of the front portion. By being thicker, the layer of the nasal part can deform on a larger stroke. The material used for the layer of the nasal part may be the same or different from the material used for the layer of the front part. For example, foams having the same density or different densities can be used. Here too, the nasal and / or frontal portion may be monolayer or multilayer. Thus, to adjust the mechanical crushing properties of a material, the nature of the material used for at least one layer and / or modify the thickness of at least one layer can be changed, whether the material is monolayer or multilayer. To make a layer of the nasal and / or frontal part, a polyurethane (PU) foam is advantageously used. Alternatively, one can consider using other materials for large deformation for low effort. For some layers, other types of foams may also be used such as polyvinyl chloride (PVC), polyethylene (PE), ethylene-vinyl acetate (EVA) foams. In the example illustrated in FIGS. 1 to 3, the comfort element 5 comprises several distinct parts fixed on the rear face of the frame 2. A first part constitutes the front part 51, of thickness e51, covering part of the front of the the user. This front portion is made of a complexed material, i.e., comprising a plurality of layers. A first layer 511, thickness e511 is fixed on the rear face of the frame 2. In this example, this first layer is made in a first type of foam: a polyvinyl chloride foam. A second layer 512, of thickness e512 is fixed on the first layer 511. It succeeds the first layer in the direction of the thickness, in a direction away from the frame. In this example, this second layer is made in a second type of foam: a polyurethane foam with a density of the order of 20 kg / m 2. Finally, a fabric 513, of small thickness, is fixed on the second layer 512. It succeeds the second layer in the direction of the thickness. The fabric brings the comfort of contact. This fabric advantageously has properties of softness on contact, breathability and moisture absorption, for perspiration. The arrangement of the layers is such that the thickness of the front portion e51 corresponds to the sum of the thicknesses of the first layer e511, the second layer e512 and the fabric. The material of the front portion 51 thus comprises successively, from the frame 2, a first layer 511, a second layer 512 and a fabric 513. According to one embodiment, the thickness of the first layer e511 is between 30 and 50 clo 3029403 6 of the thickness of the front part e51. The thickness of the second layer e512 is between 50 and 70% of the thickness of the front part e51. For example, the thickness of the first layer e511 is of the order of four millimeters and the thickness of the second layer e512 is of the order of eight millimeters. In the frontal zone, the comfort element must ensure a good maintenance of the chassis, in particular a good vertical support. For this, the pressure of contact with the face must be large enough to prevent the mask ballots or moves vertically. Moreover, the presence of the frontal bone makes it possible to accept a rather large pressure without inconvenience. Also, the front part of the comfort element need not be much deformed but, on the contrary, allow good veneering with adequate pressure. It is then preferable to have a good elastic return of this front part. For this, here, the foam used for the first layer 511 has a much higher modulus of elasticity than the foam used for the second layer 512. The comfort is provided by the second layer, the maintenance is provided by the "nervousness" of the first layer.
    [0007] A second piece is the nasal portion 52, of thickness e52 covering a portion of the nose of the user. This nasal part consists of a complexed material, that is to say, comprising several layers. A first layer 521, of thickness e521, is fixed on the rear face of the frame 2. In this example, this first layer is made of a first type of foam: a polyurethane foam having a density of about 60 kg / m.
    [0008] A second layer 522, of thickness e522 is fixed on the first layer 521. It succeeds the first layer in the direction of the thickness, in a direction away from the chassis. In this example, this second layer is made in a second type of foam: a polyurethane foam density of the order of 20 kg / m 2. Finally, a fabric 523, of small thickness, is fixed on the second layer 522. It succeeds the second layer 25 in the direction of the thickness. The fabric brings the comfort of contact. This fabric has mainly soft touch properties. The arrangement of the layers is such that the thickness of the nasal portion e52 corresponds to the sum of the thicknesses of the first layer e521, the second layer e522 and the fabric. The material of the nasal portion 52 thus successively comprises, from the frame 2, a first layer 521, a second layer 522 and a fabric 523. According to one embodiment, the thickness of the first layer e521 is between 10 and 30% of the thickness of the nasal part e52. The thickness of the second layer e522 is between 70 and 90% of the thickness of the nasal portion e52. For example, the thickness of the first layer e521 is of the order of four millimeters and the thickness of the second layer e522 is of the order of twelve millimeters. In the nasal area, the comfort element must ensure a good adaptability to the morphology of the face and a good comfort. For this, the nasal part must be able to deform strongly to fit the forms of the face covered with a minimum of contact pressure. Indeed, the cartilages present in this area make this part of the face sensitive. It is therefore preferable to reduce the pressure exerted by the mask on this area of the face. This also clears the nostrils to facilitate the user's breathing. Comfort is mainly provided by the second layer. The first layer also contributes to the comfort, allows a progressive damping and brings a little elasticity for the maintenance.
    [0009] According to this embodiment, the thickness of the nasal portion e52 is greater than the thickness of the front portion e51. For example, the thickness of the front portion e51 is between 60 and 80% of the thickness of the nasal portion e52. For this illustration, the thickness variation is essentially achieved by the thickness variation of the second layer e512 / e522.
    [0010] In the illustrated embodiment, the comfort element comprises two other distinct parts. A third piece is the left side 53, of thickness e53, covering the left temple and the left cheek of the user's face. This left lateral part connects the left end of the frontal part to the left end of the nasal part. This left-hand side consists of a complexed material, i.e., comprising several layers. A first layer 531, of thickness e531 is fixed on the rear face of the frame 2. In this example, this first layer is made of a first type of foam: a polyurethane foam with a density of about 60 kg / m3. A second layer 532, of thickness e532 is attached to the first layer 531. It succeeds the first layer in the direction of the thickness, in a direction away from the frame. In this example, this second layer is made in a second type of foam: a polyurethane foam density of the order of 20 kg / m3. Finally, a fabric 533, of small thickness, is fixed on the second layer 532. It succeeds the second layer in the direction of the thickness, from the frame. The fabric brings the comfort of contact. This fabric has mainly soft contact properties. The arrangement of the layers is such that the thickness of the left side part e53 corresponds to the sum of the thicknesses of the first layer e531, the second layer e532 and the fabric. The material of the left side portion 53 thus comprises successively, from the frame 2, a first layer 531, a second layer 532 and a fabric 533. According to one embodiment, the thickness of the first layer e531 is between 30 and 50% of the thickness of the left lateral part e53. The thickness of the second layer e532 is between 50 and 70% of the thickness of the left lateral part e53. For example, the thickness of the first layer e531 is of the order of four millimeters and the thickness of the second layer e532 is of the order of eight millimeters.
    [0011] A fourth piece constitutes the right lateral portion 54, of thickness e54, covering the right temple and the right cheek of the user's face. This right lateral portion 54 is symmetrically identical to the left lateral portion 53. It is similarly constructed and has the same characteristics. It comprises a first layer 541, of thickness e541, a second layer 542, of thickness e542 and a fabric 543.
    [0012] In this example, the thickness of the lateral portions e53, e54 is smaller than the thickness of the nasal portion e52 and substantially equal to the thickness of the front portion e51. Advantageously, the material used for the lateral parts 53, 54 have intermediate crushing mechanical properties compared to the materials used for the nasal and frontal parts. Alternatively, the material used for the lateral parts 53, 54 may have crushing mechanical properties similar to the material used for one of the nasal or frontal parts. This construction of the comfort element into separate parts makes it easy to change damaged or worn parts. This also makes it possible to adjust the user's comfort by increasing or reducing the contact pressure in certain areas of support on the face. On the other hand, it improves the adaptation to the morphology of the face. For example, depending on the size of the nose, one can use a nasal portion having a suitable thickness. To facilitate this interchangeability, it can be provided that the separate parts are removably mounted on the frame. The hooking means may be of hook type (VELCRO®), button, clip ... In these examples, the comfort element 5 forms a band of substantially constant width, between ten and twenty millimeters. The band constitutes a "closed" loop, surrounding the eyes, which is in the general form of a horizontal rectangle. The thickness of the web may vary in accordance with the embodiments described above. In its lower part, the band forms an inverted "V" to clear the wings of the nose so as not to impede the breathing. Figure 4 is a simplified rear view of the mask shown in Figures 2 and 3 in the sense that the layers of the component parts 51, 52, 53 and 54 are not shown. The comfort element is not necessarily composed of four separate rooms, it may comprise more rooms or fewer rooms. For example, the comfort element may comprise only two elements. Figures 5 to 6 illustrate two other embodiments of a mask equipped with a comfort element comprising two elements. These figures are simplified representations in the sense that the layers of the constituent parts are not represented.
    [0013] Figure 5 illustrates a second embodiment of which the comfort element comprises a front portion 51 similar to that previously described and a lower portion 52b covering a portion of the nose, the cheekbones and the temples. The lower portion substantially corresponds to the combination of the nasal portion with the two side portions of the first embodiment. These three distinct parts form a single continuous piece. In this embodiment, the thickness of the lower portion may be variable, for example, thicker at the nose. FIG. 6 illustrates a third embodiment of which the comfort element comprises a front part 51c covering part of the forehead, the cheekbones and the temples and a nasal part 52 similar to that described above. The upper portion substantially corresponds to the combination of the front portion with the two side portions of the first embodiment. These three distinct parts form a single continuous piece. Alternatively, the demarcation between the different areas of support on the face can be located differently. For example, the frontal area may cover the temples and stop in the middle of a lateral edge. In the embodiments described, the material used for the parts of the comfort element is composed of two layers. Alternatively, the material may comprise more layers, for example, a succession of foams whose density varies gradually. This makes it possible to have good morphological adaptability and progressive damping / deformation, which improves the wearing comfort. According to another embodiment, the material is monolayer. Alternatively, the number of layers between the different parts of the comfort element is not the same. For example, there may be a monolayer material for the nasal portion and a material having two layers for the front portion, or vice versa.
    [0014] In another alternative solution, the comfort element comprises a common first continuous layer for the different constituent parts but a second specific layer for each constituent part. This construction makes it possible to have a unitary comfort element that is easier to handle when it is not assembled to the frame. The parts of the comfort element can be assembled to the frame by gluing, welding or by means of removable attachment. In another embodiment, the layers and / or parts of the comfort element can be made by bi-injection or overmolding, which allows to have a unitary piece. In another variation, the comfort element is made by thermoforming from a continuous foam extending around the eyes. The thermoforming operation allows, for example, to vary the thickness of the foam according to the support zones. Thus, one can obtain a thicker zone in the nasal part of the comfort element and thinner in the front part of the comfort element. The reduction of the thickness, locally, by thermoforming, allows a modification of the density of the foam in this zone.
    [0015] Of course, other foam density values may be contemplated than those described above. The invention is not limited to these embodiments. It is possible to combine these embodiments. The invention is not limited to the embodiments described above but extends to all embodiments covered by the appended claims.
    权利要求:
    Claims (10)
    [0001]
    CLAIMS1- eye protection mask (1) for the practice of outdoor sports comprising: an eye protection screen (3), a frame (2) supporting the screen, a comfort element (5) integral with the frame, l comfort element comprising a nasal portion (52) for engaging a portion of the nose of the user and a front portion (51) for engaging a portion of the user's forehead, characterized in that that the material used for the nasal portion has different crushing mechanical properties of the material used for the front part so that the maximum crushing stroke of the material of the nasal part urged by a given compression force is greater than the crushing stroke of the material of the front part stressed by the same compression force determined.
    [0002]
    2- eye protection mask (1) according to claim 1, characterized in that at least one material constituting the nasal and / or frontal parts is composite, the material then comprising several layers (511, 512, 521, 522) of different materials.
    [0003]
    3- eye protection mask (1) according to the preceding claim, characterized in that the material of the front portion and / or the material of the nasal portion comprises successively, from the frame (2), a first layer (511, 521) of foam of a first type and a second layer (512, 522) of foam of a second type, the density of the foam of the first layer being higher than the density of the foam of the second layer.
    [0004]
    4- eye protection mask (1) according to the preceding claim, characterized in that the thickness (e522) of the second layer of the nasal portion is greater than the thickness (e512) of the second layer of the front portion.
    [0005]
    5- Eye protection mask (1) according to the preceding claim, characterized in that the two second layers (512, 522) consist of the same type of foam.
    [0006]
    6- eye protection mask (1) according to claim 3 or 4, characterized in that the density of the foam of the second layer (522) of the nasal portion is less than the density of the foam of the second layer (512 ) of the front part.
    [0007]
    7- eye protection mask (1) according to one of claims 3 to 6, characterized in that the foam of the first layer (521) of the nasal portion is of a different nature from the foam of the first layer (511) of the front part.
    [0008]
    8- eye protection mask (1) according to one of the preceding claims, characterized in that the thickness (e52) of the nasal portion is greater than the thickness (e51) of the front portion. 3029403 12
    [0009]
    9- eye protection mask (1) according to one of the preceding claims, characterized in that the comfort element comprises two side portions (53, 54), each lateral portion being intended to come into contact with the temple and the cheekbone on one side of the user's face, each side portion connecting one end of the front portion to one end of the nasal portion, the material used for the side portions having mechanical crush properties intermediate to the materials used for nasal and frontal parts.
    [0010]
    10- eye protection mask (1) according to one of the preceding claims, characterized in that the comfort element (5) comprises at least two separate parts, a first piece (51) forming the nasal part, the second piece (52) forming the front part.
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    同族专利:
    公开号 | 公开日
    FR3029403B1|2016-11-25|
    JP2016107098A|2016-06-20|
    EP3028685A1|2016-06-08|
    US20160158064A1|2016-06-09|
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    法律状态:
    2015-11-10| PLFP| Fee payment|Year of fee payment: 2 |
    2016-06-10| PLSC| Publication of the preliminary search report|Effective date: 20160610 |
    2016-11-11| PLFP| Fee payment|Year of fee payment: 3 |
    2017-11-13| PLFP| Fee payment|Year of fee payment: 4 |
    2019-11-14| PLFP| Fee payment|Year of fee payment: 6 |
    2020-11-12| PLFP| Fee payment|Year of fee payment: 7 |
    2021-11-15| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1402790A|FR3029403B1|2014-12-05|2014-12-05|MASK WITH COMFORT ELEMENT|FR1402790A| FR3029403B1|2014-12-05|2014-12-05|MASK WITH COMFORT ELEMENT|
    EP15003382.7A| EP3028685A1|2014-12-05|2015-11-26|Mask with comfort element|
    US14/959,481| US20160158064A1|2014-12-05|2015-12-04|Mask with a comfort element|
    JP2015238528A| JP2016107098A|2014-12-05|2015-12-07|Mask having comfort element|
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