EP3847917A1 - Dispositif de protection - Google Patents

Dispositif de protection Download PDF

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Publication number
EP3847917A1
EP3847917A1 EP20216088.3A EP20216088A EP3847917A1 EP 3847917 A1 EP3847917 A1 EP 3847917A1 EP 20216088 A EP20216088 A EP 20216088A EP 3847917 A1 EP3847917 A1 EP 3847917A1
Authority
EP
European Patent Office
Prior art keywords
tie elements
inflatable element
curvature
rows
protective device
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.)
Withdrawn
Application number
EP20216088.3A
Other languages
German (de)
English (en)
Inventor
Alberto PIOVESAN
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.)
Dainese SpA
Original Assignee
Dainese SpA
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 Dainese SpA filed Critical Dainese SpA
Publication of EP3847917A1 publication Critical patent/EP3847917A1/fr
Withdrawn legal-status Critical Current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
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/0512—Neck or shoulders area
    • 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 disclosure relates in general to a protective device for protection of a user.
  • the protective device includes an inflatable element which in the inflated condition, is designed to protect from impacts and/or falls a motorcycle rider, a passenger, a skier or a similar user, during a sporting and/or working activity and/or any other activity.
  • a known protective device is for example that described in the European patent EP3291697B1 .
  • Such a device includes an inflatable element designed to assume an inflated active condition and a deflated rest condition.
  • the inflatable element includes a 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 inner region or area or chamber. This inner chamber is occupied at least partially by a plurality of joining threads which connect together opposite portions of the knitted body.
  • the fact of providing a single knitted body has the advantage of limiting the manufacturing waste and minimizing the production time; in fact, the joining threads and meshes may be processed using a single knitting machine.
  • the joining threads form part of single thread connected to the opposite portions of the knitted body. In particular, the thread passes along alternate sections and continuously between a first portion and a second portion of the knitted body.
  • the inflatable element also includes sealing walls which allow the inflation fluid to be contained for a predetermined period of time.
  • the walls consist, for example, of a first sheet, or first wall, and of a second sheet, or second wall, which are fixed together along respective perimetral edges. Said first and second sheets cover and line on an outer side or outer surface the knitted body.
  • One technical problem underlying the present disclosure is that of providing a protective device for protecting a user, which is able to improve further the prior art for the purposes of wearability of the protection device. and/or achieve further advantages, and provide a garment including said personal protection device.
  • the inflatable element comprises a first mesh portion and a second mesh portion, wherein the first mesh portion and the second mesh portion are situated opposite each other and connected together by means of a plurality of tie elements.
  • the inflatable element has at least one preferential curvature and the rows of tie elements are arranged parallel to each other and oriented transversely or orthogonally with respect to the preferential curvature.
  • the rows of tie elements are arranged side by side and follow next to each other along said preferential curvature or greater curvature.
  • the rows of tie elements are parallel to each other and a direction going from a row to a subsequent row is along the curvature or curve.
  • the preferential curvature is understood as meaning the profile of a curved form which the inflatable element has in the inflated condition. This preferential curvature may be obtained by varying the yielding capacity of opposite portions of the inflatable element or in another way so as to obtain a suitable curvature.
  • the tie elements are tensioned when the inflatable element is inflated and in fact limit the inflation of the inflatable element. In the zone of each row of tie elements, the inflatable element has a height or expansion less than in a zone where there are no rows of tie elements. In other words, where the tie element is present, precisely because of the function of the said tie element, the inflatable element expands less.
  • each row of tie elements creates a kind of hinge line or further "preferential" folding line of the inflatable element in the inflated condition and allows the inflatable element to be curved or folded better about said hinge line or folding axis, and therefore allows the folding capacity of the inflatable element along the said preferential curvature to be further improved.
  • each folding axis or hinge line may be chosen depending on the fold which is to be obtained.
  • each row of inflatable elements may be oriented along a corresponding preferred direction so as to create a series of specific folds about the object or body to be protected.
  • the inflatable element also includes sealing walls which allow the inflation fluid to be contained for a predetermined period of time.
  • the walls consist, for example, of a first sheet, or first wall, and of a second sheet, or second wall, which are fixed together along respective perimetral edges. Said first and second sheets cover and line on an outer side or outer surface the mesh portions.
  • the inflatable element comprises a first protective operating region and a second protective operating region, wherein the first protective operating region is different or separate from said second protective operating region and wherein the first protective operating region includes a first group of tie elements which are arranged in respective rows parallel to each other and the second operating region includes a second group of tie elements arranged in respective rows parallel to each other, wherein the rows of the first group of tie elements are oriented or arranged with a different orientation or in a different direction with respect to the rows of the second group of tie elements.
  • the rows of tie elements are arranged spaced from each other respectively in the first protective operating region and in the second protective operating region of the inflatable element so as to form a plurality of hinge lines and allow a broader or more varied curvature of the inflatable element.
  • the rows of inflatable elements are parallel to each other and even more preferably spaced from each other.
  • first inflatable element portion defining the aforementioned first protective operating region, including a plurality of first rows oriented parallel to each other with a first orientation intended for a preferred curvature
  • second inflatable element portion defining the second protective operating region, including a plurality of second rows oriented parallel to each other with a second orientation intended for a preferred curvature, wherein the second orientation is different from the first orientation
  • the tie elements belonging to a same row of tie elements are arranged substantially parallel to each other.
  • the tie elements in the condition of at least partial tension, extend along a direction of development substantially perpendicular to the direction of extension of the rows of tie elements.
  • the inflatable element is curved preferably about hinge axes which are orthogonal to a sagittal plane.
  • the inflatable element has an anatomical curved profile so as to bend around from the neck towards the back.
  • the rows of tie elements are arranged parallel to a coronal or frontal plane and to a transverse plane, and orthogonally with respect to a sagittal plane.
  • the rows of tie elements are arranged in a direction substantially parallel to a transverse axis of the human body, parallel to a coronal or frontal plane and to a transverse plane, and orthogonally with respect to a transverse plane.
  • the rows of tie elements are arranged in a direction substantially parallel to a sagittal axis or plane of the human body, transversely or orthogonally with respect to a coronal or frontal plane and to a transverse plane.
  • the rows of tie elements are arranged in a direction substantially parallel to a sagittal axis or plane of the human body, transversely or orthogonally with respect to a coronal or frontal plane.
  • the orientation must be chosen depending on the nature of the body to be protected. Also it should be noted that the rows are preferably symmetrical with respect to a sagittal mid-plane of the user's body so as to obtain an identical curvature in the two parts of the body.
  • the tie elements are elements able to be tensioned when the inflatable element is in an inflated condition.
  • a condition wherein the inflatable element is in an inflated condition corresponds to a condition wherein the tie elements are tensioned.
  • the tie elements can be threads, or other elements such as stitches, tapes or similar tie elements.
  • the inflatable element is made using the technology described in the patent application WO2017163196A1 . Namely it consists preferably of an inflatable element with threads, which is formed by mesh portions and walls as described in this patent application, and even more preferably with a curved configuration due to a varying expansion capacity of an inner side facing the user and an outer side.
  • the outer side of the inflatable elements gives way or extends more than the inner side facing the user.
  • the different yielding capacity of the two opposite portions of the inflatable element may be obtained in two different ways.
  • the different yielding capacity is obtained by varying the yielding capacity or elasticity of the first mesh portion with respect to the second mesh portion.
  • the different yielding capacity is obtained by varying the yielding capacity or elasticity of the first wall with respect to the second wall.
  • the opposite portions of the inflatable element include, respectively, the first mesh portion and the first wall, the second mesh portion and the second wall.
  • the row of tie elements is arranged transversely with respect to said arc of curvature, preferably orthogonally with respect to the arc of curvature.
  • the inflatable element has a preferential curvature such that, viewed laterally, it defines an arc of curvature contained in a plane.
  • Each row of threads is arranged or oriented orthogonally with respect to said arc of curvature and this plane so as to allow in an even better manner the curvature of the inflatable element about each row of threads.
  • the rows of tie elements are arranged parallel to each other and are oriented orthogonally with respect to the preferential curvature, and therefore extend in a parallel manner from the neck towards the back.
  • the inflatable element portion has a preferential curvature from one side of the user's body to the other, the rows of tie elements are arranged parallel to each other and oriented orthogonally with respect to the preferential curvature, and therefore extend parallel from one side to the other side of the user's body.
  • This aspect also facilitates, therefore, the curvature of the inflatable element.
  • the reference number 10 indicates a personal protection device according to the present disclosure in accordance with an embodiment of the present disclosure.
  • the personal protection device 10 comprises an inflatable element 12 which is adapted to assume substantially a first rest condition or deflated condition, and a second active condition or inflated condition.
  • the modes of inflating the inflatable element 12 will be described in the description below.
  • the inflatable element 12 has a vest-like form and is designed to surround a top zone or chest of the user's body. More particularly, the inflatable element includes a first protective operating region 20 for the back of the neck and nape region between the shoulders, a second protective operating region 21 on the shoulders and a third protective operating region 22 on the chest. More particularly, because of the anatomy of the human body, each second protective operating region 21 and the third protective operating region 22 are each doubled into two parts on the right and left of the human body in a symmetrical manner with respect to a sagittal plane.
  • the inflatable element 12 may be made using the technology described in patent application PCT/IB2009/055512 and in patent application PCT/IT2009/000547 , which are incorporated here by reference in their entirety in the present disclosure, or more preferably using the technology described in patent application WO2016178143A1 , or even more preferably in patent application WO2017163196A1 . Namely it consists preferably of an inflatable element with threads, which is formed by meshes and walls as described in these patent applications, and even more preferably with a curved configuration due to a varying expansion capacity of an inner side facing the user and an outer side.
  • the inflatable element 12 comprises a first mesh portion 18 and a second mesh portion 19.
  • the first mesh portion 18 and the second mesh portion 19 are situated opposite each other and are connected together by a plurality of tie elements 5.
  • the mesh portions 18, 19 are in turn covered by respective covering walls 15, 16.
  • the tie elements 5 are organized in rows 24, namely are arranged aligned and in sequence.
  • the inflatable element 12 further comprises, as mentioned, the first protective operating region 20, for example at the back on the nape and around the neck, towards the back, the second protective operating region 21 in the shoulder region and a third protective operating region 22 on the chest.
  • the various operating portions have a preferential curvature C or greater curvature.
  • each protective operating portion has a preferential curvature or a greater curvature which may be obtained, as mentioned above, by varying the yielding capacity of opposite portions of the inflatable element. For example, this may be done by varying the relative yielding capacity of the mesh portions, or the walls, or both of them.
  • the rows 24 of tie elements are arranged orthogonally with respect to said preferential curvature C or greater curvature so as to assist the preferential curvature or greater curvature.
  • the rows 24 of tie elements are arranged in a direction substantially parallel to a sagittal axis or plane of the human body, transversely or orthogonally with respect to a coronal or frontal plane and to a transverse plane.
  • the preferential curvature of the shoulders is indicated by C2 in Figure 3 .
  • the rows of tie elements are arranged in a direction substantially parallel to a sagittal axis or plane of the human body, transversely or orthogonally with respect to a coronal or frontal plane.
  • the preferential curvature of the shoulders is indicated by C3 in Figure 3 .
  • a row 24 of the first operating region 20 is oriented differently from a row 24 of the second protective operating region 21 and from a row 24 of the third operating region 22.
  • each row 24 defines in fact a hinge line or axis of curvature.
  • the inflatable element may be curved better around each hinge line and so as to follow in an improved manner the preferential curvature.
  • the tie elements 5 are arranged between said mesh portion 18 and said second mesh portion 19 which are aligned in a plurality of rows 24 of tie elements 5.
  • the plurality of rows 24 of each group of tie elements 5 are arranged parallel to each other and one row is arranged at a distance from the adjacent row 24. The arrangement in rows 24 allows the folding and curvature of the inflatable element to be better adjusted.
  • the tie elements 5 are parallel to each other in the respective row 24 and substantially orthogonal to the direction of the row.
  • the rows are preferably shorter in the edge zone, namely they gradually decrease in length towards the edge zone.
  • a first group of tie elements 5 is therefore obtained in the neck zone, a second group of tie elements 5 is obtained in the shoulder zone, and a third group of tie elements 5 is obtained in the chest zone.
  • the term "tie element 5" is understood as meaning an element or body having the function of keeping joined together or fastened or fixed, by means of its tensile stress, two or more parts of the inflatable element 12, at least when the latter is in the inflated condition.
  • the tie elements 5 have a thread-like form and are flexible and inextensible elements. Therefore, they are suitably designed in terms of dimensions such that, when the inflatable element 12 is in the rest condition, they are preferably not subject to tensioning and are collapsed inside the inner chamber 3, whereas when the inflatable element 12 is in the inflated condition they are tensioned.
  • the inflatable element comprises opposite walls 15, 16 which are perimetrally joined together along the edges. More particularly, the inflatable element 12 comprises a textile structure comprising the aforementioned tie elements 5 and the two opposite mesh portions 18, 19, each of which lines internally, namely on the inner chamber 3 side, a respective wall 15, 16. Basically, a textile structure 40 formed by two meshes 18, 19 is arranged inside the zone between the two walls 15, 16 and each mesh is preferably fixed to the respective wall 15, 16.
  • each mesh 18, 19 is stably fixed to the surface of the respective wall 15, 16, preferably by means of a film of glue or layer of glue, as described hereinbelow.
  • the inflatable element 2 has a substantially double-shell structure, in which each shell corresponds to a wall 15, 16 and a respective mesh 18, 19.
  • the first mesh 18 and the second mesh 19 have, in the inflated condition, a surface area which differs from each other, for example the second mesh 19 has a surface area or expansion capacity which is smaller than that of the first mesh 18.
  • the second mesh may be made of a material which is less elastic or less yielding (more resistant to tensile force) than the first mesh 18.
  • the first wall 15 or the second wall 16 have, in the inflated condition, surface areas different from each other, for example the second wall 16 has a surface area which is smaller than that of the first wall 15 and is made of a material which is less elastic or less yielding.
  • the first mesh 18 and/or the first wall 15 may be made with a yarn different from that of the second mesh 19 and/or the second wall 16, respectively, for example a more elastic or yielding yarn.
  • the different yarns are not shown in the drawings.
  • the second mesh 19 and/or the second wall 16 may be made using the same material, but with a denser weft than the first mesh 18 and/or the respective first wall 15 during knitting and therefore have a smaller extension capacity than the first mesh 18.
  • the different mesh affects the different yielding capacity of the two parts.
  • the two meshes 18, 19 are joined together along the respective perimeter by means of stitching or by means of another connection system, as described in international patent application WO 2010-067288 A1 .
  • the walls 15, 16 may be broader than the meshes 18, 19 and may be further joined together along the perimeter.
  • Each of the two walls 15, 16 or sheets may be made of a laminate material, such as that described in WO 2010-067288 A1 , or a thermoplastic polyurethane or TPU.
  • the walls 15, 16 are made of a TPU layer 15a (which, for example, represents between about 45% and 65% by weight, preferably between 48% and 55% by weight, and even more preferably about 50% by weight of the laminate) and a layer 15b with the function of a glue or adhesive (which represents approximately the remaining part by weight of the laminate), in the example a layer of polyurethane (not thermoplastic) glue distributed over the TPU layer 15a by means of roller spreading or similar distribution technology.
  • it therefore consists of a sheet which, before fixing to the mesh 18, 19, is formed by TPU+PU and overall has a thickness, for example, of 200 microns.
  • the tie elements 5 are flexible tie elements and have the form of threads and are made for example of polyester or polyamide, with a thickness of between about 500 and about 1000 decitex (units of length of a continuous thread or a yarn) and have ends 5a, 5b which are fixed to the respective wall portions 18, 19 which they connect.
  • each tie element or thread 5 includes a bundle of continuous untwisted fibres which emerge from a single point of a respective mesh 18, 19.
  • the tie elements 5 have opposite ends 5a, 5b which are stably fixed to the mesh 18, 19 of the respective wall 18, 19. Fixing at the opposite ends 5a, 5b of the tie elements 5 is, for example, performed by means of simple insertion of tie elements 5 between the wefts of the mesh 18, 19.
  • the tie elements 5 are obtained by a given number of threads which are fixed alternately to one mesh 18 and consecutively to the other mesh 19. In other words, each thread 5 is inserted underneath a weft of the mesh 19 of the wall 16, is curved upwards and extends again towards the opposite wall 15, where it is connected in the same way to the mesh 18.
  • the tie elements 5 are connected to the mesh 18, 19 by means of interweaving or by means of tying or similar fixing systems.
  • the set of two meshes 18 and 19 and the tie elements 5 forms a fabric of the so-called three-dimensional 3D or double needle-bed type.
  • the meshes 18 and 19 may also be made of polyester or polyamide.
  • the present disclosure also relates to a protective garment 30 comprising a protective device 10 as defined above.
  • a protective garment 30 comprising a protective device 10 as defined above.
  • a protective device 10 as defined above.
  • it consists of a skier's suit.
  • the protective device 10 is adapted to cooperate with special activation means (not shown) which are operationally connected for example to a cylinder 50 containing compressed cold gas, such as helium.
  • the cylinder may be provided with a respective shut-off valve (not shown).
  • the inflation fluid source may comprise gas generators preferably of the pyrotechnic or other hybrid type or other types known according to the state of the art.
  • Opening of the shut-off valve of each inflation cylinder is preferably controlled by a control unit depending on the detection of the state of the vehicle/rider system; for example said control unit may implement a system for predicting the fall which allows early identification of the fall event and a reliable prediction of this event by means of accelerometer sensors fixed to the skis or to the skier and a unit for processing the signals produced by the said sensors.
  • the device according to the present disclosure may also be applied using an activation cable connected to a vehicle ridden by a user, which cable activates inflation of the inflatable element following the movement of the user away from the vehicle, for example following a fall or a sudden impact.
  • an activation cable connected to a vehicle ridden by a user, which cable activates inflation of the inflatable element following the movement of the user away from the vehicle, for example following a fall or a sudden impact.
  • Use of a cable is employed in particular in the horse-riding sector.
  • activation and inflation means may be incorporated in the protection device according to the present invention or located on the outside thereof.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Otolaryngology (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
EP20216088.3A 2020-01-10 2020-12-21 Dispositif de protection Withdrawn EP3847917A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102020000000340A IT202000000340A1 (it) 2020-01-10 2020-01-10 Dispositivo di protezione

Publications (1)

Publication Number Publication Date
EP3847917A1 true EP3847917A1 (fr) 2021-07-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20216088.3A Withdrawn EP3847917A1 (fr) 2020-01-10 2020-12-21 Dispositif de protection

Country Status (3)

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US (1) US20210212392A1 (fr)
EP (1) EP3847917A1 (fr)
IT (1) IT202000000340A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210077889A1 (en) * 2019-09-17 2021-03-18 Dainese S.P.A. Protection device and related method of use

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800010828A1 (it) * 2018-12-05 2020-06-05 Alpinestars Res Srl Indumento comprendente un dispositivo di protezione gonfiabile
US20240122278A1 (en) * 2022-10-13 2024-04-18 Daniel Corcoran Helmet safety components

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009055512A2 (fr) 2007-10-22 2009-04-30 The Scripps Research Institute Procédés et compositions pour obtenir des cristaux haute résolution de protéines membranaires
WO2010067288A1 (fr) 2008-12-09 2010-06-17 Dainese S.P.A. Dispositif de protection personnelle et vêtement comportant un tel dispositif
WO2016178143A1 (fr) 2015-05-06 2016-11-10 Dainese S.P.A. Dispositif de protection et procédé de fabrication d'un tel dispositif de protection
WO2017163196A1 (fr) 2016-03-24 2017-09-28 Dainese S.P.A. Dispositif de protection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009055512A2 (fr) 2007-10-22 2009-04-30 The Scripps Research Institute Procédés et compositions pour obtenir des cristaux haute résolution de protéines membranaires
WO2010067288A1 (fr) 2008-12-09 2010-06-17 Dainese S.P.A. Dispositif de protection personnelle et vêtement comportant un tel dispositif
WO2016178143A1 (fr) 2015-05-06 2016-11-10 Dainese S.P.A. Dispositif de protection et procédé de fabrication d'un tel dispositif de protection
EP3291697B1 (fr) 2015-05-06 2018-12-05 Dainese S.p.A. Dispositif de protection et procédé de fabrication d'un tel dispositif de protection
WO2017163196A1 (fr) 2016-03-24 2017-09-28 Dainese S.P.A. Dispositif de protection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210077889A1 (en) * 2019-09-17 2021-03-18 Dainese S.P.A. Protection device and related method of use
US11801435B2 (en) * 2019-09-17 2023-10-31 Dainese S.P.A. Protection device and related method of use

Also Published As

Publication number Publication date
US20210212392A1 (en) 2021-07-15
IT202000000340A1 (it) 2021-07-10

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