EP4159071A1 - Dispositif de protection - Google Patents

Dispositif de protection Download PDF

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Publication number
EP4159071A1
EP4159071A1 EP22198950.2A EP22198950A EP4159071A1 EP 4159071 A1 EP4159071 A1 EP 4159071A1 EP 22198950 A EP22198950 A EP 22198950A EP 4159071 A1 EP4159071 A1 EP 4159071A1
Authority
EP
European Patent Office
Prior art keywords
areas
layer
internal surface
connection regions
inflatable element
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.)
Pending
Application number
EP22198950.2A
Other languages
German (de)
English (en)
Inventor
Nicola PARISE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
D Air Lab SRL
Original Assignee
D Air Lab SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by D Air Lab SRL filed Critical D Air Lab SRL
Publication of EP4159071A1 publication Critical patent/EP4159071A1/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/015—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means
    • A41D13/018—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means inflatable automatically
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2600/00—Uses of garments specially adapted for specific purposes
    • A41D2600/10—Uses of garments specially adapted for specific purposes for sport activities
    • A41D2600/102—Motorcycling

Definitions

  • the present invention relates to a protection device comprising an inflatable element for protecting a user.
  • the device may protect a user from knocks or impacts, following falls or sliding, when riding or driving a means of transport, for example a two-wheeled vehicle, or during other types of activity, for example a sports activity or any activity during which a user runs the risk of falls or impacts.
  • the device may also protect a user from low temperatures and therefore may be regarded as a device which is able to perform a protection function in general.
  • the invention relates moreover to a garment comprising the device and to a method for protecting a user of the device.
  • an inflatable element commonly known as an airbag
  • Inflation normally takes place by means of an inflation device which comprises a gas generator, for example a container containing a compressed gas which is released inside the airbag in the event of a knock or impact.
  • an inflatable element which includes a prefabricated knitted body, namely a body made by means of a knitting process.
  • Said knitted body is a closed, or at least tubular, structure defining an internal region or area or chamber. This internal chamber is occupied at least partially by a plurality of joining threads which connect together opposite portions of the knitted body.
  • the joining threads form part of a single thread which is connected to the opposite portions of the knitted body.
  • the thread passes along alternate sections, and continuously, between a first portion and a second portion of the knitted body.
  • the knitted body is then covered with waterproofing sheets in order to provide a suitable sealing action.
  • the technical problem underlying the present disclosure is that of providing a protection device which is able to satisfy the aforementioned needs with reference to the prior art and overcome the aforementioned drawbacks and/or which is able to achieve further advantages.
  • a protection device comprising an inflatable element configured to assume a deflated condition and an inflated condition.
  • the inflatable element in turn comprises a first layer and a second layer defining an internal chamber of the inflatable element, and an intermediate layer.
  • the first layer and the second layer have respectively a first internal surface and a second internal surface which are facing towards the internal chamber and along which the intermediate layer is either fixed, adheringly, or adheres, creating a superficial adherence, in first connection regions or areas and second connection regions or areas, respectively.
  • the intermediate layer is detached, namely is disconnected, separated or free, from the first internal surface and the second internal surface in first detachment regions or areas and second detachment regions, respectively.
  • the intermediate layer is associated with the first layer and the second layer exclusively in respective first connection regions or areas and second connection regions or areas.
  • the intermediate layer is adherent or adheres or is fixed by means of adherence to the first layer, in particular to the first internal surface, exclusively, namely solely in said first connection regions or areas and, similarly, is joined, or fixed, adheringly or adheres to the second layer, in particular to the second internal surface, exclusively, namely solely in said second connection regions or areas.
  • the intermediate layer is detached, namely is disconnected, separated or free, from the first layer and the second layer in respective first detachment regions or areas and second detachment regions or areas.
  • the intermediate layer is partially connected, i.e. partially joined, or fixed, adheringly or adheres both to the first layer and to the second layer.
  • the joint or connection or fixing or adherence between the intermediate layer and the first and second layers is namely present or envisaged exclusively or solely in the respective connection regions or areas.
  • This connection, joint, fixing or adherence is a physical connection which may be realized for example by means of a stitching or an adhesive substance, in such a way as to keep the intermediate layer fixed adheringly or attached to the first and second layers along the connection regions or areas so as to prevent separation or detachment.
  • the intermediate layer may be joined adheringly or adheres to the first and the second layers, "with superficial adherence".
  • the expression "with superficial adherence” is understood as meaning that, for example, the intermediate layer is joined, connected or fixed adheringly, in a superimposed manner or so as to form at least a double layer structure, to the first layer and to the second layer along the connection regions or areas, namely over the entire surface extension of each of the connection regions or areas.
  • a continuous adherence i.e. a continuous adhesion or a continuous contact or a continuous joint, which allows the intermediate layer to be connected to or associated in a matching or adhering manner with the first and second layers, respectively, for example by means of a stitching or an adhesive substance.
  • connection regions or areas a mono-structure having substantially at least a double layer, or in which the intermediate layer is superimposed so as to adhere to the first layer and is superimposed so as to adhere to the second layer in the respective connection regions, is obtained.
  • the intermediate layer may be connected, namely joined adheringly, or may adhere, with superficial adherence or superimposition, directly to the first layer and the second layer, or that, alternatively, there are further or different interposed intermediate layers, or other form of indirect connection, between the intermediate layer and the first layer or the second layer.
  • the intermediate layer should be connected only in some zones (i.e. first connection regions or areas) to the first layer and in other zones (i.e. second connection regions or areas) to the second layer, so that as soon as the inflatable element is inflated, intermediate layer portions interposed between two connection regions or areas of the first layer and the second layer act as tension members for the inflatable element and allow the shape of the inflatable element to be controlled.
  • the first connection regions or areas of the first layer are positioned along the first internal surface in such a way that they are offset and not superimposed with respect to the second connection regions or areas of the second layer.
  • the first connection regions or areas and the second connection regions are offset, i.e. are not superimposed on each other.
  • this configuration allows the internal chamber of the inflatable element, when the latter is in the inflated condition, to maintain a thickness greater than zero along the whole of its extension.
  • the internal chamber is devoid - namely does not have - zones or regions with zero thickness.
  • the internal chamber is devoid - i.e. does not have - zones or regions in which the first internal surface and the second internal surface are in direct contact or lie above one another, separated or spaced only by the intermediate layer. According to this configuration, therefore, the first internal surface and the second internal surface are separated or disconnected along the whole internal chamber of the inflatable element, when the latter is in an inflated condition.
  • the first connection regions or areas are positioned along the first internal surface at a regular distance from each other and, likewise, the second connection regions or areas are positioned along the second internal surface at a regular distance from each other.
  • the first connection regions or areas and the second connection regions are respectively positioned along the first internal surface or the second internal surface in such a way that they are at a regular distance respectively from the first connection regions or areas or second connection regions or areas which are adjacent, i.e. closer or nearer.
  • first connection regions or areas are arranged in a relationship spaced, by a predefined and regular amount or by a predefined and constant value, from each other and, similarly, the second connection regions or areas are arranged in a relationship spaced, by a predefined and regular amount or by a predefined and constant value, from each other.
  • first connection regions or areas or the second connection regions or areas may also be at a smaller or greater distance from each other than the other first connection regions or areas or second connection regions or areas, and therefore with a different distribution, for example so as to cause the inflatable element to assume a specific shape, for example a curved shape, in the inflated condition.
  • a first part of the first connection regions or areas or of the second connection regions or areas may be at a regular distance from one another, and a second part of the first connection regions or areas or second connection regions or areas may be at a greater or smaller distance, than the aforementioned regular distance, from the first connection regions or areas or second connection regions or areas which are adjacent, namely closer or nearer, for example in the proximity of a curvature of the inflatable element when in the inflated position.
  • first connection regions or areas or the second connection regions or areas may be located at a distance from each other which varies depending on their position along said first internal surface or second internal surface, so as to cause said inflatable element to assume a specific shape or curvature or specific thickness, when it is in the inflated condition.
  • the mutual distribution and distance between the first and second connection regions or areas, on said first internal surface or second internal surface, respectively may be chosen depending on suitable curvatures or thicknesses which are to be imparted to the inflatable element, in particular in the inflated condition.
  • the greater the density of connection regions or areas in a given portion of the inflatable element the smaller is the thickness of the inflatable element, in the inflated condition, in said given portion of the inflatable element.
  • the first detachment regions or areas are positioned along the first internal surface so as to alternate with the first connection regions or areas and, similarly, the second detachment regions are areas are positioned along the second internal surface so as to alternate with the second connection regions or areas.
  • the first detachment regions or areas are spaced along the first internal surface by the first connection regions or areas and, similarly, the second detachment regions or areas are spaced along the second internal surface by the second connection regions or areas.
  • first detachment regions or areas and the second detachment regions or areas alternate respectively with the first connection regions or areas and the second connection regions or areas, in such a way that each first detachment region or area and second detachment region or area is located between at least two of the first connection regions or areas and second connection regions or areas, respectively.
  • the intermediate layer is made of elastic material or elastic fabric. Furthermore, preferably, the intermediate layer is configured to undergo deformation within the elastic range, at least partially, when the inflatable elements assumes the inflated condition.
  • the portions of the intermediate layer comprised between each first connection region or area and second connection region or area, namely the portions of the intermediate layer which are not fixed either to the first internal surface or to the second internal surface, are configured to deform at least partially within the elastic range when the inflatable element is in the inflated condition.
  • the first layer and the second layer are configured to prevent fluid communication into or out of the internal chamber.
  • the first and second layers may be made of waterproof material.
  • a fluid is prevented from entering or exiting the internal chamber owing to the presence of the first layer and the second layer, except for a fluid, for example a pressurised gas, specially configured to allow the inflatable element to pass from the deflated condition into the inflated condition in the event of a knock or impact of a user of the device.
  • Said fluid especially configured to allow the inflatable element to pass from the deflated condition into the inflated condition may be contained, for example, in an inflation device, such as a gas generator, which is suitably connected to the inflatable element according to the techniques which are known to the person skilled in the art.
  • an inflation device such as a gas generator
  • the first layer and the second layer may have a varied yielding behaviour or elasticity so as to cause curving of the inflated element once it is in the inflated condition (for example by combining a more elastic layer on one side with a less elastic layer on the other side). It is understood that, once in the inflated condition, the inflatable element will "arch” or “curve” towards the less yielding or less elastic layer.
  • the protection device comprises an inflation device connected to the inflatable element and configured to cause it to pass from the deflated condition into the inflated condition, for example by means of the flow of a pressurised gas from the inflation device to the internal chamber of the inflatable element.
  • the first layer and the second layer have respectively a first outer edge and a second outer edge which are positioned along the external perimeter and are joined together so as to form the internal chamber.
  • the first outer layer and the second outer layer are fixed or connected together along the first outer edge and the second outer edge, for example by means of a stitching, in such a way as to form the internal chamber.
  • a method for protecting a user of the aforementioned protection device comprising the following steps.
  • the inflatable element is initially in a deflated condition and then, for example following a knock or an impact or if there is the need for protection against the cold, the inflation device inflates the inflatable element so as to cause it to assume the inflated condition.
  • the inflatable element is in a first instant, or initially, in a deflated condition and, in a second instant, following the first instant, the inflatable element assumes the inflated condition as a result of the gas introduced into the internal chamber by the inflation device, inflating it so as to cause it to pass into the inflated condition.
  • the intermediate layer is configured to act as a tension member so as to keep the first layer and the second layer at the most at a predetermined maximum distance, when the inflatable element is in the inflated condition.
  • the portions of the intermediate layer comprised between each first connection region or area and second connection region or area, namely the portions of the intermediate layer which are not joined, or fixed, or do not adhere or are not attached, either to the first or the second internal surface are configured act as tension members and to keep the first layer and the second layer at the most at a predetermined maximum distance when the inflatable element is in the inflated condition.
  • the intermediate layer is configured to keep the inflatable element in a predetermined shape when it is in the inflated condition.
  • the intermediate layer is configured to deform at least partially elastically when the inflatable element is in the inflated condition.
  • the portions of the intermediate layer comprised between each first connection region or area and second connection region or area, namely the portions of the intermediate layer which are not fixed either to the first internal surface or to the second internal surface, are configured to deform at least partially within the elastic range when the inflatable element is in the inflated condition.
  • a garment for example a motorcycling suit, is obtained, said garment comprising the aforementioned personal protection device, preferably configured to protect a user from knocks or impacts, or to protect a user from low temperatures, according to the aforementioned protection method.
  • the main advantage of the invention consists in the fact that the inflatable element, when it is in the inflated condition, may retain the desired shape suitable for ensuring protection of a region of the user's body, without the need to use the external containment layers envisaged by the solutions of the prior art, which would require costly and complex production processes and/or without using joining threads between the first layer and second layer.
  • a further advantage of the invention consists in the possibility of using the protection device for protecting a user from low temperatures, by means of the formation of a thermally insulating layer formed by the said inflatable element, when it is in the inflated condition.
  • the inflatable element when it is in the inflated condition, may act as a thermally insulating layer between the body of a user and an external environment, thus protecting the user from the cold.
  • the absence of zero thickness zones or regions along the internal chamber of the inflatable element in the inflated condition as described in one of the embodiments of the present invention, may allow optimum thermal insulation by the protection device.
  • each embodiment forming the subject of the present disclosure may have one or more of the advantages listed above; in any case it is not required that each embodiment should have simultaneously all the advantages listed.
  • the reference number 100 denotes a protection device comprising an inflatable element 101 configured to assume a deflated condition and an inflated condition.
  • the present disclosure also relates to a garment including said personal protection device.
  • the protection device may be a wearable protection device, i.e. one which is configured to be worn also without a garment.
  • the inflation device is in fluid communication with the inflatable element so as to convey, once activated, inflation fluid (e.g. pressurised gas) into the inflatable element and allow inflation thereof.
  • inflation fluid e.g. pressurised gas
  • the inflation device is connected to a control unit by means of which it is possible to activate inflation, namely the emission of the inflation fluid.
  • the inflation device in order to perform inflation of the inflatable element, in the event of a fall and/or sliding and/or a sudden impact involving a user or a vehicle being ridden/driven, the inflation device is adapted to cooperate with special activation means (normally consisting of the aforementioned control unit and sensors) which are operationally connected for example to the canister-shaped gas generator.
  • special activation means normally consisting of the aforementioned control unit and sensors
  • the protection device may be understood as being a protection device, in general, for example for protection against the cold, and therefore intended to assume an inflated condition for protection against the cold.
  • the inflatable element 101 comprises a first layer 1a and a second layer 1b, which define an internal chamber 10 of the inflatable element 101, and an intermediate layer 2.
  • the protection device 100 is characterized in that the first layer 1a has a first internal surface 11a and the second layer 1b has a second internal surface 11b, where the first internal surface 11a and the second internal surface 11b are facing towards said internal chamber 10.
  • the first internal surface 11a and the second internal surface 1b face one another and surround the internal chamber 10.
  • the intermediate layer 2 is interposed between the first internal surface 11a of the first layer and the second internal surface 11b of the second layer 1b. Furthermore, the intermediate layer 2 is joined, or fixed, adheringly or adheres to the first internal surface 11a in first connection regions or areas 12a and is joined, or fixed, adheringly or adheres to the second internal surface 11b in second connection regions or areas 12b Furthermore the intermediate layer 2 is detached from the first internal surface 11a, namely disconnected, separated or free from the first internal surface 11a, in first detachment regions or areas 13a and is detached from the second internal surface 11b, namely is disconnected, separated or free from the second internal surface 11b, in second detachment regions or areas 13b.
  • Figure 8 shows the protection device from which the first layer 1a has been partially removed and in which the intermediate layer 2 is shown as though transparent. In this figure it is possible to discern the first connection regions or areas 12a which, in the figure, are those on the upper side, and the second connection regions or areas 12b.
  • the intermediate layer 2 is partially joined, or fixed, adheringly or adheres to the first internal surface 11a and to the second internal surface 11b.
  • the intermediate layer 2 is joined adheringly to the first internal surface 11a exclusively or solely in first connection regions or areas 12a and is joined adheringly, or adheres, to the second internal surface 11b exclusively or solely in the second connection regions or areas 12b.
  • connection zones a mono-structure at least with a double layer is obtained.
  • the intermediate layer 2 is joined or fixed, adheringly or adheres with superficial adherence to the first layer 1a and to the second layer 1b, in particular to the first internal surface 11a and to the second internal surface 11b, "with superficial adherence".
  • the intermediate layer 2 is connected or fixed or adheres or is attached, adjacently or so as to be adjacent, to the first internal surface 11a and to the second internal surface 11b, along the first connection regions or areas 12a and along the second connection regions or areas 12b, respectively.
  • the intermediate layer 2 is connected or fixed or adheres or is attached, adjacently or so as to be adjacent, to the first internal surface 11a and to the second internal surface 11b, respectively over the entire surface extension of each of the first connection regions or areas 12a and over the ensure surface extension of the second connection regions or areas 12b.
  • a continuous adherence i.e. a continuous adhesion or a continuous contact or a continuous joint between the intermediate layer 2 and the first surface 11a and the second surface 11b, respectively.
  • the intermediate layer 2 to be connected adheringly or to adhere in a matching manner to the first layer 1a and to the second layer 1b, in particular to the first surface 11a and to the second surface 11b, respectively, for example by means of a stitching or an adhesive substance.
  • the first connection regions or areas 12a are positioned on the first internal surface 11a in such a way that they are offset or not superimposed with respect to the second connection regions or areas 12b when the inflatable element 101 is in the deflated condition.
  • first connection regions or areas 12a are positioned at a regular distance from one another along the first internal surface 11a
  • second connection regions or areas 12b are preferably positioned at a regular distance from one another along the first internal surface 11b.
  • the first detachment regions or areas 13a are positioned on the first internal surface 11a in such a way that they alternate with the first connection regions or areas 12a and, preferably, the second detachment regions or areas 13b are positioned on the second internal surface 11b in such a way that they alternate with the second connection regions or areas 12b.
  • the intermediate layer 2 is made of elastic material or elastic fabric.
  • the intermediate layer 2 is configured to deform at least partially in an elastic manner when the inflatable element 101 passes from the deflated condition into the inflated condition.
  • the portions of the intermediate layer 2 comprised between each first connection region or area 12a and second connection region or area 12b, namely the portions of the intermediate layer 2 which are not fixed either to the first internal surface 11a or to the second internal surface 11b, are configured to deform at least partially within the elastic range when the inflatable element 101 is in the inflated condition.
  • the first layer 1a and the second layer 1b are configured to prevent fluid communication into and out of the internal chamber 10 of the inflatable element 101.
  • the first layer 1a and the second layer 1b are configured to prevent undesirable fluid communication into or out of the internal chamber 10.
  • the first layer 1a and said second layer 1b are made of impermeable material or material such as to allow retention of the inflation fluid for a suitable period of time.
  • the first layer 1a and the second layer 1b are joined together along the outer edges so as to form the internal chamber 10.
  • the first layer 1a and the second layer 1b have, respectively, a first outer edge and a second outer edge which are positioned along the external perimeter and which are joined or connected together, for example by means of a stitching or by means of gluing or other technique available to a person skilled in the art, so as to form the internal chamber 10.
  • the inflatable element 101 may be made with three layers, one being an intermediate layer connected alternately and along sections with the remaining layers, and a perimetral stitching or other perimetral connection means.
  • the protection device 100 comprises an inflation device associated with the inflatable element 101 and configured to cause the inflatable 101 to pass from the deflated condition into the inflated condition, for example by means of the flow of a pressurised gas from the inflation device towards the internal chamber 10 of the inflatable element.
  • the inflation device is connected to or in fluid communication with the inflatable element 101, more specifically with the internal chamber 10 and is configured to blow pressurised gas into the internal chamber 10 of the inflatable element 101 in order to cause the inflatable element 101 to switch from the deflated condition into the inflated condition.
  • a method for protecting a user of the device 100 may be carried out based on the following steps.
  • the inflatable element 101 is initially in a deflated condition and then, for example following a knock or an impact or if there is the need to protect the user from the cold, it is inflated by the inflation device so as to assume the inflated condition.
  • the method for protecting a user of the device 100 which includes an inflatable element 101 as described hitherto, may envisage providing said device 100 in which the inflatable element 101 is in a deflated condition and then, for example following an impact or a knock, inflating by means of an inflation device the inflatable element 101 so that it assumes an inflated condition.
  • the intermediate layer 2 is configured to act as a tension member so as to keep the first layer 1a and the second layer 1b at the most at a predetermined distance, when the inflatable element 101 is in the inflated condition.
  • the portions of the intermediate layer 2 comprised between each first connection region or area 12a and each second connection region or area 12b, namely the portions of the intermediate layer which are not joined, or fixed, or do not adhere or are not attached either to the first internal surface 11a or to the second internal surface 11b are configured act as tension members and to keep the first layer 1a and the second layer 1b at the most at a predetermined maximum distance when the inflatable element 101 is in the inflated condition.
  • the intermediate layer 2 is configured to keep the inflatable element 101 in a predetermined shape when it is in the inflated condition.
  • connection regions or areas and the detachment regions or areas may be selected so as to obtain a specific shape of the inflatable element 101 in the inflated condition.
  • the intermediate layer 2 is configured to deform at least partially in an elastic manner, i.e. within the elastic range, when the inflatable element 101 is in the inflated condition.
  • the reference number 1000 denotes overall a garment comprising a protection device 100 according to any one of the embodiments described above. Furthermore, the garment 1000 may be configured to protect a user according to the protection method described above.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Glass Compositions (AREA)
  • Surgical Instruments (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
EP22198950.2A 2021-10-01 2022-09-30 Dispositif de protection Pending EP4159071A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102021000025253A IT202100025253A1 (it) 2021-10-01 2021-10-01 Dispositivo di protezione

Publications (1)

Publication Number Publication Date
EP4159071A1 true EP4159071A1 (fr) 2023-04-05

Family

ID=78829743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22198950.2A Pending EP4159071A1 (fr) 2021-10-01 2022-09-30 Dispositif de protection

Country Status (2)

Country Link
EP (1) EP4159071A1 (fr)
IT (1) IT202100025253A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRM20080656A1 (it) * 2008-12-09 2010-06-10 Dainese Spa Dispositivo di protezione personale ed indumento incorporante tale dispositivo.
WO2021116931A1 (fr) * 2019-12-13 2021-06-17 D-Air Lab S.r.l. Dispositif de protection et procédé de fabrication dudit dispositif de protection

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRM20080656A1 (it) * 2008-12-09 2010-06-10 Dainese Spa Dispositivo di protezione personale ed indumento incorporante tale dispositivo.
WO2021116931A1 (fr) * 2019-12-13 2021-06-17 D-Air Lab S.r.l. Dispositif de protection et procédé de fabrication dudit dispositif de protection

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Publication number Publication date
IT202100025253A1 (it) 2023-04-01

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