CN108882770B - Comfort padding and helmet comprising a comfort padding - Google Patents

Comfort padding and helmet comprising a comfort padding Download PDF

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Publication number
CN108882770B
CN108882770B CN201680083106.XA CN201680083106A CN108882770B CN 108882770 B CN108882770 B CN 108882770B CN 201680083106 A CN201680083106 A CN 201680083106A CN 108882770 B CN108882770 B CN 108882770B
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layer
comfort
helmet
filler
layers
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CN108882770A (en
Inventor
弗雷德里克·哈兰德尔
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Mips AB
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POC SWEDEN AB
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    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/06—Impact-absorbing shells, e.g. of crash helmets
    • A42B3/062—Impact-absorbing shells, e.g. of crash helmets with reinforcing means
    • A42B3/063—Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures
    • A42B3/064—Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures with relative movement between layers
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/12—Cushioning devices
    • A42B3/121—Cushioning devices with at least one layer or pad containing a fluid
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/12—Cushioning devices
    • A42B3/125—Cushioning devices with a padded structure, e.g. foam
    • A42B3/127—Cushioning devices with a padded structure, e.g. foam with removable or adjustable pads

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  • Helmets And Other Head Coverings (AREA)

Abstract

A comfort padding configured for attachment at an innermost surface of a helmet facing a wearer's head, for providing a shearing motion in the comfort padding in response to a tilting force applied to the helmet in use, the comfort padding comprising an inner layer of stretchable fabric or nonwoven and an outer layer, and at least two layers of film material between the inner layer and the outer layer, and there being a lubricant material, such as a gel or liquid, between the two layers of film material, the layers of film having a low friction surface allowing sliding motion between at least the outer layer and the film material. A helmet comprising the comfort padding.

Description

Comfort padding and helmet comprising a comfort padding
Technical Field
The present invention relates to a comfort padding and a helmet comprising a comfort padding.
Background
The understanding of how oblique impacts affect the human brain is growing and therefore the different ways to cope with oblique impacts towards the helmet is also increasing. Different solutions have been provided, for example, arranging a sliding layer between the shell and the energy absorbing layer or between two energy absorbing layers. According to EP244082, an attachment device for attachment to the head of a wearer is provided, which attachment device is fixed to the inner side of the energy absorbing layer, and wherein a sliding occurs between the attachment device and the inner side of the energy absorbing layer. In WO2013/10473, a bladder containing a low friction liquid or gel is shown, which is arranged to control the angular force (angular force) separately from the compression force. The compressive force will be controlled by the liner.
Disclosure of Invention
It is an object of the present invention to provide a functionally effective and cost effective way of providing increased head safety for persons performing any type of sport or the like requiring a helmet.
The solution according to the invention is to provide a shearing and sliding movement closer to the human head by making the shearing and sliding movement take place within the comfort padding rather than within the helmet. Typically, the helmet includes an outer shell (although optional), an energy absorbing layer (often referred to as a liner), and at least one comfort filler on the innermost side of the energy absorbing layer facing the wearer. The comfort padding may be one piece or several pieces at desired locations that reach different locations within the helmet to increase the comfort of the wearer between the head and the energy absorbing layer, which is usually made of EPS or sometimes EPP, but other materials are also conceivable. The comfort filler has an overall flat configuration in one plane. When attached in the helmet, it follows the innermost surface of the helmet, which will constitute the plane of the shearing motion.
The shearing movement comprises all movements substantially in the plane of the comfort padding and in particular also sliding movements, all movements taking place within the comfort padding. Depending on the location and size of the comfort filler in the helmet, the shear plane may be nearly flat to curved.
The comfort padding typically has a textile material both at the side attached to the inner surface of the helmet and at the side next to the wearer's head. A polymer foam is disposed between the fabric sides. The comfort filler is typically attached in a fixed but detachable manner, which may be through the use of hook and loop materials (e.g., hook and loop materials)
Figure BDA0001786892010000021
) To be implemented.
According to a first aspect of the invention is a comfort filler configured to be attached at an innermost surface of a helmet facing a wearer's head for providing a shear motion and a sliding motion in the comfort filler in response to a tilting force applied to the helmet in use. The comfort padding includes an extensible fabric or nonwoven inner layer and an outer layer, and at least two layers of film material between the inner layer and the outer layer. A lubricant material, such as a gel or liquid, is present between two film layers having a low friction surface allowing sliding movement between at least the outer layer and the film material.
According to one embodiment, a sliding motion is possible between the inner layer and the film layer having a low friction surface.
According to one embodiment, the comfort padding comprises, viewed from the inside facing the wearer's head in use, a layer arranged to face the innermost surface of the helmet, a stretchable woven or nonwoven material, an open-cell polymeric foam, a film layer, a lubricant material, a further film layer, and a stretchable woven or nonwoven material.
Preferably, the fabric is breathable and the polymer foam is an open-cell polymer foam so that the wearer does not sweat too much at the comfort padding.
According to one embodiment, at least the film layers are interconnected along the edges so as to provide a closed and fluid-tight space containing at least a fluid between the film layers. The inner and outer layers may be connected to each other along the edges. Preferably, all layers are connected to each other along the edges.
According to one embodiment, an additional layer of fabric or nonwoven material is located between the open cell foam and the film layer. The additional layer of woven or nonwoven material between the open-cell foam and the film layer preferably has a low friction surface.
According to one embodiment, the innermost surface configured to be attached to the helmet is multi-looped (loopy) or roughened for attachment to, for example, a hook material, such as Velcro.
According to a second aspect of the present invention, there is provided a helmet comprising:
an energy absorbing layer comprising at least one component, the energy absorbing layer having an outer side facing away from the wearer's head and an innermost side facing towards the wearer's head,
-at least one piece of comfort padding according to the inventive concept, said comfort padding being arranged at the innermost side of the energy absorbing layer.
Thus, the comfort padding of the present invention is provided with an excellent possibility to handle oblique impacts due to the synergistic shearing of the gel or liquid within the comfort padding and the sliding between at least the outer layer and the film layer (i.e. both shearing and sliding). Since both slipping and shearing occur within the comfort filler, the rotational force of the oblique impact will be handled as close to the head as possible, limiting the torque of the head. In addition, the comfort filler will also withstand radial forces, especially when using a gel and preferably an open cell foam.
Drawings
The invention will now be described in more detail with reference to the accompanying drawings, in which
Fig. 1 shows an embodiment of the comfort filler in a sectional view.
Fig. 2 shows another embodiment of the comfort filler in a cross-sectional view.
Fig. 3 shows a further embodiment of the comfort filler in a sectional view.
FIG. 4 illustrates in cross-section one embodiment of a comfort filler having interconnected edges.
FIG. 5 shows a cross-section of one embodiment of a filling having interconnected edges.
Fig. 6 shows a cross-section of another embodiment of a filling with interconnected edges.
FIG. 7 shows a cross-section of one embodiment of a filler during a tilt impact.
Figure 8 shows the comfort padding in the helmet seen in a cross-sectional view.
Detailed Description
In fig. 1, the comfort padding 1 is shown as such. It comprises a first layer, the outer layer 2 being to be positioned closest to the helmet, at the innermost surface of the helmet, for example an energy absorbing layer. The outer layer 2 is a layer of woven or nonwoven material and is preferably stretchable.
Fig. 1 also shows a second layer, the inner layer 3 to be positioned closest to the wearer's head 16. This layer 3 is also a layer of woven or non-woven material and is preferably stretchable. The material is preferably a material that feels good and comfortable to the wearer's skin. It may also have wicking properties to draw sweat from the wearer into the material and then vaporize the sweat. The two layers 2, 3 may be, but need not be, of the same material.
Between the two layers 2, 3, two layers 5, 5' of film material are arranged. Between the two film material layers 5, 5' there is a lubricant material 8, such as a gel or a liquid, which may provide a shearing motion in response to the tilting force. Preferably a gel is used. These membranes 5, 5' are preferably impermeable to fluids. At least the edges 7 of the membranes 5, 5' may be connected to each other fluid-tightly, for example by welding, see fig. 4. Preferably, the inner layer 2 and the outer layer 3 are also connected to each other along their edges 6, but this is not essential, as can be seen in fig. 5 to 6. All layers and films may be joined in the same edge (not shown) as desired.
At least one of the film layers 5, 5' has a low friction surface and will therefore allow a sliding movement between at least the outer layer 2 and the film layer 5 in response to a tilting impact. Preferably, the intima layer 5 'also has a low friction surface that allows sliding movement between the inner layer 3 and the film layer 5'. Thus, a sliding movement will take place within the comfort padding 1.
In fig. 2, another embodiment of the comfort padding 1 is shown in a sectional view. In this figure, the open-cell polymer layer 12 is located between one of the film layers 5' and the inner layer 3. Preferably, the film layer 5 'has a low friction surface and will therefore allow a shearing motion, i.e. a sliding motion, between the film layer 5' and the apertured polymer layer 12 in response to a tilting impact. Thus, an additional sliding movement will take place within the comfort padding 1.
The open cell polymeric foam will provide comfort to the wearer and also aid in sweat evaporation.
In fig. 3, a further layer 13 of woven or nonwoven material is shown. Which is disposed between the film layer 5' and the open cell polymeric foam layer 12. Also in this embodiment, preferably the membrane layer 5 'has a low friction surface and will therefore allow a shearing movement, i.e. a sliding movement, between the membrane layer 5' and the further layer of woven or nonwoven material 13 in response to a tilting impact.
In fig. 4, a further embodiment of the comfort padding 1 is shown in a sectional view. In this figure, the two film layers 5, 5' are connected to each other along their edges 7. Thus, a closed space 8 is provided containing at least a lubricating fluid or gel. Preferably, the inner and outer layers 2, 3 are also interconnected along their edges 6 at the same edge 7 (not shown) or at the second outer edge 15, as shown in fig. 5 and 6.
In fig. 5 and 6, two different embodiments of the conceivable comfort padding are shown. In fig. 7 it is shown how the comfort padding 1 may move apart from the internal shearing and sliding movement when the helmet 9 is exposed to a tilting impact. The comfort padding 1 may roll slightly until the fastening/connection 15 to the innermost side 14 of the energy absorbing layer 10 of the helmet 9. This is not a sliding movement between the comfort padding 1 and the inner side 14 of the energy absorbing layer 10, since the comfort padding 1 is fastened/connected to the inner side 14, for example by Velcro. For example, the connection 15 does not cover the entire area of the comfort padding but only a portion so that the comfort padding can roll partially. In case of strong oblique impacts, the comfort padding 1 may start to tear off from the inner side 14 of the energy absorbing layer 10, see also fig. 8. Such rolling movement is possible due to the stretchable inner and outer layers 2, 3.
As understood by those skilled in the art, the suggested materials may be mixed, selected and selected in any manner as long as they do not contradict the inventive concept of shear motion within a comfort filler in response to a tilt impact.
The film layer material having a low friction surface may be any material having a coating of a low friction material or made of a material that itself has low friction.
The open-cell foam may have a density of 10kg/m3To 50kg/m3Polyethylene (PE) or the like. Is low inThe density open-celled polymeric foam may be a density of 5kg/m3To 40kg/m3Polyethylene (PE) or the like.
The shearing motion is preferably at least 5mm, preferably at least 5mm to 10mm, and most preferably at least 10mm or more.
In all the illustrated embodiments, the inner layer 2 and the outer layer 3 are preferably made of a flexible and stretchable fabric or nonwoven material. It is preferably knitted and may comprise yarns of elastane (elastan), lycra, spandex (spandex), polyester or nylon.
In fig. 8, at least one comfort filler 1 of any embodiment of the invention is provided at the innermost surface 14 of the helmet 9. The helmet 9 comprises an energy absorbing layer 10 and preferably an outer shell 11.
The presently described embodiments are merely examples and should not be taken as limiting the scope of the invention, which is set forth in the following claims.

Claims (19)

1. A comfort filler configured to be attached at a surface of a helmet, the surface of the helmet configured to face a wearer's head, the comfort filler comprising:
an extendable inner layer configured to contact the wearer's head when the helmet is in use, and an extendable outer layer configured to attach to the surface of the helmet;
at least two layers of membrane material located between the inner layer and the outer layer; and
a lubricant located between the at least two layers of film material;
wherein a first film material layer of the at least two film material layers has a low friction surface configured to provide relative sliding motion between the outer layer and the first film material layer in response to a tilting force applied to the helmet.
2. The comfort filler of claim 1 wherein a second membrane material layer of the at least two membrane material layers has a low friction surface configured to provide relative sliding movement between the inner layer and the second membrane material layer.
3. The comfort filler of claim 1 further comprising an open cell polymer foam between the inner layer and the lubricant.
4. The comfort filler of claim 3 further comprising an intermediate layer between the open-cell polymer foam and the lubricant.
5. A comfort filler according to claim 4, wherein a second membrane material layer of the at least two membrane material layers has a low friction surface configured to provide relative sliding movement between the second membrane material layer and the intermediate layer.
6. A comfort filler according to claim 1, wherein the at least two film material layers include a second film material layer, wherein each of the first film material layer and the second film material layer has an edge, wherein the first film material layer and the second film material layer are interconnected along the edges so as to provide an enclosed and fluid-tight space to accommodate the lubricant, wherein the lubricant comprises a liquid.
7. The comfort filler of claim 6 wherein the inner layer and the outer layer have edges, wherein the film material layer and the edges of each of the inner layer and the outer layer are joined together.
8. The comfort padding of claim 6, wherein the inner layer and the outer layer each have edges and are interconnected along their respective edges.
9. The comfort filler of claim 1, further comprising a multi-turn or roughened surface configured to attach to a hook material located on the surface of the helmet.
10. The comfort filler of claim 1 wherein the inner layer is a wicking material.
11. A comfort padding for a helmet, comprising:
an extensible inner layer and an outer layer;
at least two layers of membrane material located between the inner layer and the outer layer; and
a lubricant disposed between the at least two layers of film material, the lubricant designed and configured to shear in response to an oblique force applied to the helmet;
wherein the comfort filler comprises at least one low friction interface between the layer of membrane material and the inner and outer layers, the at least one low friction interface being designed and configured to facilitate relative sliding movement between the membrane material and the inner or outer layers in response to a tilting force applied to the helmet.
12. A comfort filler according to claim 11, wherein the at least two layers of film material define a fluid-tight space containing the lubricant.
13. The comfort filler of claim 11 wherein at least one of said inner layer and said outer layer is designed and configured to stretch in response to a tilting force applied to said helmet.
14. The comfort filler of claim 11 further comprising a foam layer between the lubricant and the inner layer.
15. The comfort filler of claim 14 further comprising a layer of fabric or nonwoven material between the foam layer and the lubricant.
16. The comfort filler of claim 11, wherein the outer layer is configured to attach to the helmet and comprises an attachment portion configured to attach directly to the helmet and a rolling portion configured not to attach directly to the helmet, the rolling portion being configured to separate from the helmet and roll relative to the attachment portion in response to a tilting force applied to the helmet.
17. The comfort filler of claim 11 wherein the at least one low friction interface includes a first low friction interface between the inner layer and a first membrane material layer of the at least two membrane material layers and a second low friction interface between the outer layer and a second membrane material layer of the at least two membrane material layers.
18. The comfort filler of claim 11 wherein said lubricant is a gel or liquid.
19. A helmet, comprising:
an energy absorbing layer comprising at least one component, the energy absorbing layer having an outer side configured to face away from a wearer's head in use and an innermost side configured to face towards the wearer's head in use,
-at least one piece of comfort padding according to any of the preceding claims, the comfort padding being located at the innermost side of the energy absorbing layer.
CN201680083106.XA 2016-03-02 2016-10-24 Comfort padding and helmet comprising a comfort padding Active CN108882770B (en)

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SE1650277-5 2016-03-02
SE1650277 2016-03-02
PCT/SE2016/051033 WO2017151028A1 (en) 2016-03-02 2016-10-24 A comfort padding and a helmet comprising the comfort padding

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CN108882770B true CN108882770B (en) 2021-10-15

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EP (1) EP3422886B1 (en)
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CN108882770A (en) 2018-11-23
EP3422886A4 (en) 2019-03-20
EP3422886B1 (en) 2020-02-19
US20180303187A1 (en) 2018-10-25
EP3422886A1 (en) 2019-01-09
WO2017151028A1 (en) 2017-09-08

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