EP3302131B1 - Footwear ventilation structures and methods - Google Patents
Footwear ventilation structures and methods Download PDFInfo
- Publication number
- EP3302131B1 EP3302131B1 EP16808192.5A EP16808192A EP3302131B1 EP 3302131 B1 EP3302131 B1 EP 3302131B1 EP 16808192 A EP16808192 A EP 16808192A EP 3302131 B1 EP3302131 B1 EP 3302131B1
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- European Patent Office
- Prior art keywords
- footwear
- ventilation channel
- toe cap
- ventilation
- article
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Classifications
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/08—Heel stiffeners; Toe stiffeners
- A43B23/081—Toe stiffeners
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/028—Resilient uppers, e.g. shock absorbing
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/26—Tongues for shoes
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/06—Footwear with health or hygienic arrangements ventilated
- A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
- A43B7/084—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures characterised by the location of the holes
- A43B7/085—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures characterised by the location of the holes in the upper
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/32—Footwear with health or hygienic arrangements with shock-absorbing means
Definitions
- the present invention relates to articles of footwear, in particular articles of footwear having improved ventilation characteristics.
- a first aspect of the present invention includes an article of footwear as disclosed in claim 1.
- a second aspect of the invention includes a protective toe cap for an article of footwear as disclosed in claim 12.
- the toe cap is rigid and has strength characteristics sufficient to satisfy ASTM F2413-11.
- the inventions disclosed herein include, in general, various types of protective footwear that utilize ventilation and/or safety structures to provide improved breathability and safety for a user of the footwear.
- the footwear disclosed herein utilizes an improved protective toe cap 20, as shown in Figs. 1-5 , along with various vents and/or heat channels to provide footwear 10 with effective protection for a user's toe area, as well as improved ventilation.
- Such footwear 10 may also use other protective structures, such as a metatarsal guard 70 that itself has vents or other mechanisms, for providing ventilation.
- Figs. 1-5 are various views of a toe cap 20, in accordance with an embodiment of the invention.
- Toe cap 20 is shaped to fully cover a user's toes and provide protection therefor.
- toe cap 20 is shaped as a hemi-dome in some embodiments.
- Toe cap 20 includes an open underside 24 sized to accommodate a user's toes, and has a protrusion 22 forming a ventilation channel 23 along underside 24. Although a single protrusion 22 is shown, multiple protrusions forming multiple ventilation channels are equally possible and contemplated by the present invention.
- Such protrusions may be arranged directly adjacent one another (e.g ., in the center of toe cap 20), or may be spaced apart from each other (e.g ., a protrusion substantially centered on toe cap 20, as shown in Fig. 1 , and one or more protrusions along the sides of toe cap 20).
- Protrusion 22 of Figs. 1-5 extends from a midfoot side 27 of toe cap 20 towards a forefoot side 28 of toe cap 20 and tapers in the direction of forefoot side 28.
- a height of channel 23 is at a maximum at midfoot side 27 of toe cap 20 and progressively decreases in the direction of forefoot side 28 until protrusion 22 and channel 23 disappear along underside 24 of toe cap 20.
- protrusion 22 is shaped as a quadrangle, although it could be semi-circular, triangular, hexagonal, pentagonal, polygonal, or any other shape that adequately provides a ventilation channel 23.
- Toe cap 20 also includes a lower lip 26 that extends around the perimeter of underside 24. Lip 26 may be positioned in footwear under a user's foot and be utilized for attaching toe cap 20 to such footwear, as described in more detail below.
- Toe cap 20 is, in an embodiment, composed of a metal or metal alloy material (e.g ., titanium) or any other material of a sufficient strength to satisfy safety standards for protective footwear, such as ASTM F2413-11.
- Toe cap 20 can be incorporated into a variety of different types of footwear, with or without additional ventilation characteristics, to allow for improved ventilation and breathability in the footwear.
- Various embodiments of such footwear are shown throughout in Figs. 6-16 (with certain components of such footwear shown in isolation in those figures).
- FIG. 6 a first variant of footwear 110 is shown in Fig. 6 .
- Footwear 110 includes all standard aspects of normal footwear, including but not limited to an outsole 117, an upper 119 attached to outsole 117, forefoot 112, arch 114, and heel 116 regions, and a tongue 118 forming part of upper 119.
- footwear 110 includes such components as is apparent in the figures ( e.g ., laces, etc.)
- footwear 110 also includes a toe cap 20 embedded within its forefoot region 112.
- Toe cap 20 is incorporated into the toe region of footwear 110 and is arranged with its lip 26 adjacent outsole 117 and its protrusion 22 positioned above the user's toes.
- Toe cap 20 may therefore provide protection for a user's toes against, for example, a falling object and also allow for improved ventilation via its protrusion 22 and ventilation channel 23.
- tongue 118 of footwear 110 may also include an air vent channel 30 that, in an embodiment, forms a continuation of channel 23 of protrusion 22 of toe cap 20.
- tongue 118 may include an air vent channel 30 that extends longitudinally along tongue 118, and protrusion 22 may be shaped and sized to be positioned within vent channel 30 of tongue 118 so that a continuous air vent channel is formed along forefoot region 112 and arch region 114 of footwear 110.
- air vent channel 30 of tongue 118 terminates in a heat egress port 32 having a series of perforations 36 for allowing heat, moisture, etc. to escape channel 30.
- heat and/or moisture trapped in forefoot region 112 of footwear 110 may be allowed to escape through channel 23 of toe cap 20, into channel 30 of tongue 118 (which in an embodiment form a substantially continuous channel), and out of heat egress port 32.
- air vent channel 30 of tongue 118 may be open in the direction of a user's foot (e.g., like channel 23 of toe cap 20), or in other embodiments it may be closed by way of a mesh or other fabric covering vent channel 30.
- Meshes or other breathable fabrics may increase the comfort level of footwear 110 in the area of channel 30 of tongue 118 and channel 23 of toe cap 20. Indeed, to be clear, such meshes and fabrics as described above may extend over both channel 30 of tongue 118 and channel 23 of toe cap 20, in certain embodiments.
- air vent channel 30 may be formed on a leather overlay component 40 that is engaged with a leather underlay 38 attached under the eyestay quarter of footwear 110.
- footwear 110 may provide improved ventilation for safety/protective footwear by allowing heat to escape footwear 110 through channel 23 of toe cap 20, into air vent channel 30 of tongue 118, and out of heat egress port 32.
- toe cap 20 provides adequate safety for a user's toes and protects the toes from injury.
- FIG. 7 A second variant of footwear 110' is shown in Fig. 7 . Due to the similarities between footwear 110 of Fig. 6 and footwear 110' of Fig. 7 , like reference numerals refer to like elements in this embodiment (although a prime designation is added to the reference numerals of Fig. 7 ), and predominantly the differences between footwear 110, 110' are discussed below.
- Footwear 110' is different from footwear 110 in that footwear 110', in addition to having a heat egress port 32', also includes an air ingress port 34'.
- Air ingress port 34' is composed of a series of perforations 36', in an embodiment, and it allows air to flow into channel 30' of tongue 118', through channel 30', and subsequently out of heat egress port 32'. During this process, heat from the user's toes may also circulate or travel through channel 23 of toe cap 20 and into channel 30' of tongue 118'.
- footwear 110' provides additional ventilation characteristics as compared to footwear 110.
- footwear 110' may include any of the features of footwear 110 (e.g ., meshes or fabric over channel 30', an open channel 30' facing the user's foot, toe cap 20 within footwear 110', etc.)
- Footwear 110", 110'” each include an air ingress port 34", 34"', but such ports are constructed differently than ingress port 34' of the previous embodiment.
- air ingress port 34" of footwear 110" of Fig. 8 includes a series of openings 42" that define air ingress port 34".
- channel 30" of tongue 118" is closed in an outward direction along tongue 118" until heat egress port 32" is reached.
- air ingress port 34'" of footwear 110"' it includes a single opening 42'" as well as perforations 36'" along part of the length of tongue 118"'.
- footwear 110", 110' may include any of the features of footwear 110, 110' described previously such as, for example, an open channel 30", 30'" in the direction of the user's foot, a channel 30", 30'” covered by a mesh or breathable fabric, toe cap 20 within footwear 110", 110"', and/or other features not explicitly detailed here.
- Fig. 11 depicts footwear 210, according to another embodiment of the invention. Due to the similarities between the previous variants of footwear and footwear 210, like reference numerals refer to like elements in this embodiment (although in the 200-series of numbers), and predominantly the differences between each footwear embodiment is discussed below.
- Footwear 210 includes toe cap 20, as with each of the previous embodiments.
- Toe cap 20 is shown in detail in the exploded view of Fig. 11 .
- Housing 250 Positioned over toe cap 20, however, is a housing 250, optionally composed of a rubber material for waterproofing purposes.
- Housing 250 has a protrusion forming an air vent channel 230 that matches the shape of protrusion 22 of toe cap 20 and is sized to receive protrusion 22 of toe cap 20.
- protrusion 230 has an extension part 254 that leads to a heat egress port 232. Heat egress port 232 is clearly shown in the top view of Fig. 13 .
- heat egress port 232 may comprise an opening that is covered by a mesh or other breathable fabric to allow heat to escape port 232.
- air vent channel 230 may be open in the direction of the user's foot or it may be covered by a mesh or other breathable fabric to allow heat to enter channel 230 and exit footwear 210 via heat egress port 232.
- Footwear 210 may also include a heel counter 260 that has its own heat egress port 262 for allowing heat to escape from heel region 216 of footwear 210. As shown in Figs. 12-13 , heat egress port 262 may extend circumferentially around a majority of heel region 216 of footwear 210 to provide adequate ventilation.
- Toe cap 20 of footwear 210 provides sufficient safety protection during use, along with ventilation via its channel 23, rubber housing 250 provides additional safety protection in addition to waterproofing characteristics, and heat egress port 262 of heel counter 260 allows for ventilation in heel region 216 of footwear 210.
- Such ventilation and safety structures provide for improved safety footwear 210 with efficient ventilation to keep a user's foot comfortable during use.
- footwear 210' is shown in Fig. 14 .
- Footwear 210' includes one or more side or lateral vents 258' positioned on one or both sides of air vent channel 230' of housing 250' (e.g., to provide for lateral air ventilation out of channel 230').
- Footwear 210' may also include a heat egress port 232' or it optionally may be closed and not include such a port, as shown in Fig. 14 .
- footwear 210' is the same as footwear 210, and thus, like reference numerals refer to like elements in this embodiment (although a prime designation is added to the reference numerals of Fig. 14 ).
- footwear 210' may include all of the features of footwear 210 of the previous embodiment, although not specifically discussed herein.
- Fig. 15 depicts footwear 310, according to yet another embodiment of the invention. Due to the similarities between the previous variants of footwear and footwear 310, like reference numerals refer to like elements in this embodiment (although in the 300-series of numbers), and predominantly the differences between each footwear embodiment are discussed below.
- Footwear 310 is different from previous embodiments in that, although toe cap 20 is used as in all embodiments, the ventilation structure of footwear 310 is incorporated into a metatarsal guard 370 component.
- a particular embodiment of a metatarsal guard 370 is shown in Fig. 16 .
- metatarsal guard 370 may include an enclosed ventilation channel 372 with an opening 374 on a forefoot side of channel 372 and one or more lateral vents 376 in channel 372.
- Lateral vents 376 may extend along one or both sides of channel 372. For instance, in the embodiment shown in Fig. 15 , lateral vents 376 extend along only a single side of channel 372, while in the embodiment of Fig. 16 lateral vents 376 extend along both sides.
- Ventilation channel 372 may also be closed at a midfoot side of channel 372, as shown in Fig. 16 .
- an inside surface 371 of metatarsal guard 370 is shaped to overlie and protect the metatarsal region of a user's foot during use ( e.g ., from injury due to a falling object).
- metatarsal guard 370 has a saddle-shaped inside surface 371 that is convex in a longitudinal direction and concave in a lateral direction.
- Metatarsal guard 370 may be incorporated into a flap or pocket 380 of footwear 310, as shown in Fig. 15 .
- Fig. 15 depicts an embodiment of metatarsal guard 370 where ventilation channel 372 has vents 376 along only one side of channel 372.
- Metatarsal guard 370 is positioned within pocket 380, and acts to provide ventilation for the foot as well as protect the metatarsal area of the foot from injury.
- footwear 310 may also have a heat egress port 332 in pocket 380 that allows for further ventilation.
- Metatarsal guard 370 may also include any of the protective features and/or patterns disclosed in Applicant's U.S. Patent No. 8,635,789 , directed to various metatarsal 2. guards.
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- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
- The present invention relates to articles of footwear, in particular articles of footwear having improved ventilation characteristics.
- Certain types of safety footwear must satisfy particular requirements in order for the footwear to be designated as "protective footwear." For instance, the American Society for Testing and Materials (ASTM) sets standards for protecting consumer's toes and metatarsal areas in "protective footwear" (e.g., as set forth in ASTM F2413-11). If a safety toe cap is used, it must meet certain impact resistance and compression resistance tests, indicating the toe cap can sufficiently protect a user's foot from injury. The same is true for metatarsal guards utilized in such footwear.
- Document
US 2012/0167418 discloses an article of footwear with a toe cap, which is provided with an aperture on its top surface. - While safety is a significant concern in these types of footwear, often the footwear lacks proper or efficient ventilation, making the footwear hot and uncomfortable during use. A need therefore exists for providing protective footwear with proper and effective ventilation.
- A first aspect of the present invention includes an article of footwear as disclosed in
claim 1. - A second aspect of the invention includes a protective toe cap for an article of footwear as disclosed in claim 12.
- In another embodiment, the toe cap is rigid and has strength characteristics sufficient to satisfy ASTM F2413-11.
- A more complete appreciation of the subject matter of the present invention and the various advantages thereof can be realized by reference to the following detailed description in which reference is made to the accompanying drawings:
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Figs. 1-5 are perspective, back, front, left, and right views of a protective toe cap, in accordance with an embodiment of the invention. -
Fig. 6 is a perspective view of a shoe incorporating the toe cap ofFigs. 1-5 and having certain ventilation structures, in accordance with an embodiment of the invention. -
Figs. 7-8 are perspective views of different variations of the shoe ofFig. 6 with additional ventilation characteristics. -
Fig. 9 is an exemplary cross-sectional view of the shoes ofFigs. 6-8 and10 . -
Fig. 10 is a perspective view of a different variation of the shoe ofFig. 6 with additional ventilation characteristics. -
Fig. 11 is an exploded perspective view of a shoe incorporating the toe cap ofFigs. 1-5 and having a rubber housing therefor, in accordance with another embodiment of the invention. -
Fig. 12 is an assembled perspective view of the shoe ofFig. 11 . -
Fig. 13 is a top view of the shoe ofFig. 11 . -
Fig. 14 is a perspective view of a variation of the shoe ofFigs. 11-13 . -
Fig. 15 is a perspective view of a shoe incorporating the toe cap ofFigs. 1-5 , in which the shoe also utilizes a metatarsal guard with additional ventilation structures, in accordance with yet another embodiment of the invention. -
Fig. 16 is a perspective view of a metatarsal guard with vents, according to an embodiment of the invention. - In describing embodiments of the invention discussed herein, specific terminology will be used for the sake of clarity. However, the invention is not intended to be limited to any specific terms used herein, and it is to be understood that each specific term includes all technical equivalents, which operate in a similar manner to accomplish a similar purpose.
- The inventions disclosed herein include, in general, various types of protective footwear that utilize ventilation and/or safety structures to provide improved breathability and safety for a user of the footwear. As an example, the footwear disclosed herein utilizes an improved
protective toe cap 20, as shown inFigs. 1-5 , along with various vents and/or heat channels to provide footwear 10 with effective protection for a user's toe area, as well as improved ventilation. Such footwear 10 may also use other protective structures, such as a metatarsal guard 70 that itself has vents or other mechanisms, for providing ventilation. -
Figs. 1-5 are various views of atoe cap 20, in accordance with an embodiment of the invention. Toecap 20 is shaped to fully cover a user's toes and provide protection therefor. Thus,toe cap 20 is shaped as a hemi-dome in some embodiments. Toecap 20 includes anopen underside 24 sized to accommodate a user's toes, and has aprotrusion 22 forming aventilation channel 23 alongunderside 24. Although asingle protrusion 22 is shown, multiple protrusions forming multiple ventilation channels are equally possible and contemplated by the present invention. Such protrusions may be arranged directly adjacent one another (e.g., in the center of toe cap 20), or may be spaced apart from each other (e.g., a protrusion substantially centered ontoe cap 20, as shown inFig. 1 , and one or more protrusions along the sides of toe cap 20). -
Protrusion 22 ofFigs. 1-5 extends from amidfoot side 27 oftoe cap 20 towards aforefoot side 28 oftoe cap 20 and tapers in the direction offorefoot side 28. As such, a height ofchannel 23 is at a maximum atmidfoot side 27 oftoe cap 20 and progressively decreases in the direction offorefoot side 28 untilprotrusion 22 andchannel 23 disappear alongunderside 24 oftoe cap 20. In an embodiment,protrusion 22 is shaped as a quadrangle, although it could be semi-circular, triangular, hexagonal, pentagonal, polygonal, or any other shape that adequately provides aventilation channel 23. - Toe
cap 20 also includes alower lip 26 that extends around the perimeter ofunderside 24.Lip 26 may be positioned in footwear under a user's foot and be utilized for attachingtoe cap 20 to such footwear, as described in more detail below. Toecap 20 is, in an embodiment, composed of a metal or metal alloy material (e.g., titanium) or any other material of a sufficient strength to satisfy safety standards for protective footwear, such as ASTM F2413-11. - Toe
cap 20 can be incorporated into a variety of different types of footwear, with or without additional ventilation characteristics, to allow for improved ventilation and breathability in the footwear. Various embodiments of such footwear are shown throughout inFigs. 6-16 (with certain components of such footwear shown in isolation in those figures). - Referring to
Figs. 6-10 , different variations of footwear having ventilation structures in the tongue portion of the footwear are shown. For example, a first variant offootwear 110 is shown inFig. 6 . Footwear 110 includes all standard aspects of normal footwear, including but not limited to anoutsole 117, an upper 119 attached tooutsole 117,forefoot 112,arch 114, andheel 116 regions, and atongue 118 forming part of upper 119. Although other common footwear components are not described in detail herein,footwear 110 includes such components as is apparent in the figures (e.g., laces, etc.) - Although not shown,
footwear 110 also includes atoe cap 20 embedded within itsforefoot region 112. Toecap 20 is incorporated into the toe region offootwear 110 and is arranged with itslip 26adjacent outsole 117 and itsprotrusion 22 positioned above the user's toes. Toecap 20 may therefore provide protection for a user's toes against, for example, a falling object and also allow for improved ventilation via itsprotrusion 22 andventilation channel 23. Further,tongue 118 offootwear 110 may also include anair vent channel 30 that, in an embodiment, forms a continuation ofchannel 23 ofprotrusion 22 oftoe cap 20. Stated differently,tongue 118 may include anair vent channel 30 that extends longitudinally alongtongue 118, andprotrusion 22 may be shaped and sized to be positioned withinvent channel 30 oftongue 118 so that a continuous air vent channel is formed along forefootregion 112 andarch region 114 offootwear 110. An example of a cross section showing such a continuous channel, and heat escaping from a user's foot through the channel, is shown inFig. 9 . - Referring again to
Fig. 6 ,air vent channel 30 oftongue 118 terminates in aheat egress port 32 having a series ofperforations 36 for allowing heat, moisture, etc. to escapechannel 30. In this way, heat and/or moisture trapped inforefoot region 112 offootwear 110 may be allowed to escape throughchannel 23 oftoe cap 20, intochannel 30 of tongue 118 (which in an embodiment form a substantially continuous channel), and out ofheat egress port 32. In some embodiments, although not shown,air vent channel 30 oftongue 118 may be open in the direction of a user's foot (e.g., likechannel 23 of toe cap 20), or in other embodiments it may be closed by way of a mesh or other fabric coveringvent channel 30. Meshes or other breathable fabrics may increase the comfort level offootwear 110 in the area ofchannel 30 oftongue 118 andchannel 23 oftoe cap 20. Indeed, to be clear, such meshes and fabrics as described above may extend over bothchannel 30 oftongue 118 andchannel 23 oftoe cap 20, in certain embodiments. - In another embodiment,
air vent channel 30 may be formed on aleather overlay component 40 that is engaged with aleather underlay 38 attached under the eyestay quarter offootwear 110. - In use,
footwear 110 may provide improved ventilation for safety/protective footwear by allowing heat to escapefootwear 110 throughchannel 23 oftoe cap 20, intoair vent channel 30 oftongue 118, and out ofheat egress port 32. In addition,toe cap 20 provides adequate safety for a user's toes and protects the toes from injury. - A second variant of footwear 110' is shown in
Fig. 7 . Due to the similarities betweenfootwear 110 ofFig. 6 and footwear 110' ofFig. 7 , like reference numerals refer to like elements in this embodiment (although a prime designation is added to the reference numerals ofFig. 7 ), and predominantly the differences betweenfootwear 110, 110' are discussed below. - Footwear 110' is different from
footwear 110 in that footwear 110', in addition to having a heat egress port 32', also includes an air ingress port 34'. Air ingress port 34' is composed of a series of perforations 36', in an embodiment, and it allows air to flow into channel 30' of tongue 118', through channel 30', and subsequently out of heat egress port 32'. During this process, heat from the user's toes may also circulate or travel throughchannel 23 oftoe cap 20 and into channel 30' of tongue 118'. Thus, heat from the user's toes may combine with cooler air from the environment, which accesses channel 30' through air ingress port 34', and ultimately the combined cooler air from the environment and hotter air from the user's toes may exit through heat egress port 32'. In this way, footwear 110' provides additional ventilation characteristics as compared tofootwear 110. Further, although not described above, it is contemplated that footwear 110' may include any of the features of footwear 110 (e.g., meshes or fabric over channel 30', an open channel 30' facing the user's foot,toe cap 20 within footwear 110', etc.) - Third and fourth variants of
footwear 110", 110'" are shown inFigs. 8 and10 . Due to the similarities between the previous variants andfootwear 110", 110"', like reference numerals refer to like elements in this embodiment (although additional prime designations are added to the reference numerals ofFigs. 8 and10 ), and predominantly the differences between each variant is discussed below. -
Footwear 110", 110'" each include anair ingress port 34", 34"', but such ports are constructed differently than ingress port 34' of the previous embodiment. As an example,air ingress port 34" offootwear 110" ofFig. 8 includes a series ofopenings 42" that defineair ingress port 34". In addition, besidesopenings 42",channel 30" oftongue 118" is closed in an outward direction alongtongue 118" untilheat egress port 32" is reached. As to air ingress port 34'" offootwear 110"', it includes a single opening 42'" as well as perforations 36'" along part of the length oftongue 118"'. Although not described above, here as wellfootwear 110", 110'" may include any of the features offootwear 110, 110' described previously such as, for example, anopen channel 30", 30'" in the direction of the user's foot, achannel 30", 30'" covered by a mesh or breathable fabric,toe cap 20 withinfootwear 110", 110"', and/or other features not explicitly detailed here. -
Fig. 11 depictsfootwear 210, according to another embodiment of the invention. Due to the similarities between the previous variants of footwear andfootwear 210, like reference numerals refer to like elements in this embodiment (although in the 200-series of numbers), and predominantly the differences between each footwear embodiment is discussed below. -
Footwear 210 includestoe cap 20, as with each of the previous embodiments.Toe cap 20 is shown in detail in the exploded view ofFig. 11 . Positioned overtoe cap 20, however, is ahousing 250, optionally composed of a rubber material for waterproofing purposes.Housing 250 has a protrusion forming anair vent channel 230 that matches the shape ofprotrusion 22 oftoe cap 20 and is sized to receiveprotrusion 22 oftoe cap 20. Additionally,protrusion 230 has anextension part 254 that leads to aheat egress port 232.Heat egress port 232 is clearly shown in the top view ofFig. 13 . As illustrated,heat egress port 232 may comprise an opening that is covered by a mesh or other breathable fabric to allow heat to escapeport 232. Further, as with the previous embodiments,air vent channel 230 may be open in the direction of the user's foot or it may be covered by a mesh or other breathable fabric to allow heat to enterchannel 230 andexit footwear 210 viaheat egress port 232. -
Footwear 210 may also include aheel counter 260 that has its ownheat egress port 262 for allowing heat to escape fromheel region 216 offootwear 210. As shown inFigs. 12-13 ,heat egress port 262 may extend circumferentially around a majority ofheel region 216 offootwear 210 to provide adequate ventilation. -
Toe cap 20 offootwear 210 provides sufficient safety protection during use, along with ventilation via itschannel 23,rubber housing 250 provides additional safety protection in addition to waterproofing characteristics, andheat egress port 262 ofheel counter 260 allows for ventilation inheel region 216 offootwear 210. Such ventilation and safety structures provide forimproved safety footwear 210 with efficient ventilation to keep a user's foot comfortable during use. - A variant of the previous embodiment, footwear 210', is shown in
Fig. 14 . Footwear 210' includes one or more side or lateral vents 258' positioned on one or both sides of air vent channel 230' of housing 250' (e.g., to provide for lateral air ventilation out of channel 230'). Footwear 210' may also include a heat egress port 232' or it optionally may be closed and not include such a port, as shown inFig. 14 . Apart from these modifications, footwear 210' is the same asfootwear 210, and thus, like reference numerals refer to like elements in this embodiment (although a prime designation is added to the reference numerals ofFig. 14 ). Of course, footwear 210' may include all of the features offootwear 210 of the previous embodiment, although not specifically discussed herein. -
Fig. 15 depictsfootwear 310, according to yet another embodiment of the invention. Due to the similarities between the previous variants of footwear andfootwear 310, like reference numerals refer to like elements in this embodiment (although in the 300-series of numbers), and predominantly the differences between each footwear embodiment are discussed below. -
Footwear 310 is different from previous embodiments in that, althoughtoe cap 20 is used as in all embodiments, the ventilation structure offootwear 310 is incorporated into ametatarsal guard 370 component. A particular embodiment of ametatarsal guard 370 is shown inFig. 16 . As illustrated,metatarsal guard 370 may include anenclosed ventilation channel 372 with anopening 374 on a forefoot side ofchannel 372 and one or morelateral vents 376 inchannel 372.Lateral vents 376 may extend along one or both sides ofchannel 372. For instance, in the embodiment shown inFig. 15 ,lateral vents 376 extend along only a single side ofchannel 372, while in the embodiment ofFig. 16 lateral vents 376 extend along both sides.Ventilation channel 372 may also be closed at a midfoot side ofchannel 372, as shown inFig. 16 . Further, aninside surface 371 ofmetatarsal guard 370 is shaped to overlie and protect the metatarsal region of a user's foot during use (e.g., from injury due to a falling object). Thus,metatarsal guard 370 has a saddle-shaped insidesurface 371 that is convex in a longitudinal direction and concave in a lateral direction. -
Metatarsal guard 370 may be incorporated into a flap orpocket 380 offootwear 310, as shown inFig. 15 . As noted above, however,Fig. 15 depicts an embodiment ofmetatarsal guard 370 whereventilation channel 372 hasvents 376 along only one side ofchannel 372.Metatarsal guard 370 is positioned withinpocket 380, and acts to provide ventilation for the foot as well as protect the metatarsal area of the foot from injury. Although only referenced obliquely inFig. 15 (and not shown),footwear 310 may also have aheat egress port 332 inpocket 380 that allows for further ventilation. -
Metatarsal guard 370 may also include any of the protective features and/or patterns disclosed in Applicant'sU.S. Patent No. 8,635,789 , directed to various metatarsal 2. guards.
Claims (15)
- An article of footwear comprising:an upper (119) defining a cavity sized and shaped to receive a foot of a user, wherein the upper is attached to an outsole (117); anda protective toe cap (20) positioned adjacent a toe region of the footwear, the toe cap being effective to protect a forefoot portion of the user's foot from injury and having an arcuate shape with a section arranged to overlie toes of the user's foot during use, wherein the toe cap has a forefoot side (28) and a midfoot side (27) and includes a ventilation channel (23) for providing ventilation in the toe region, characterized in that the ventilation channel (23) is defined in a protrusion (22) extending from the midfoot side (27) to the forefoot side (28), the protrusion (22) having a height at a maximum at the midfoot side (27) and decreasing in a direction of the forefoot side (28).
- An article of footwear as claimed in claim 1, wherein the toe cap (20) is hemi-domed in shape and the ventilation channel (23) extends along a longitudinal axis of the toe cap.
- An article of footwear as claimed in claim 1, wherein the toe cap (20) includes either:inner and outer surfaces and the ventilation channel (23) is open along the inner surface (24) of the toe cap, ormultiple ventilation channels.
- An article of footwear as claimed in claim 1, wherein the upper (119) includes a tongue (118) and a ventilation channel (30) is positioned along the tongue.
- An article of footwear as claimed in claim 4, wherein the ventilation channel (30) of the tongue (118) is in communication with a heat egress port (32) effective to allow heat to escape the ventilation channel (30).
- An article of footwear as claimed in claim 5, wherein the ventilation channel (30) of the tongue (118) is either:open along a first side of the ventilation channel facing the user's foot and is closed along a second side of the ventilation channel facing away from the user's foot, orin communication with an air intake port (34) positioned adjacent a forefoot region of the footwear.
- An article of footwear as claimed in claim 4, wherein the ventilation channel (30) of the tongue (118) either:extends along a majority of the length of the tongue, oris aligned with the ventilation channel (23) of the toe cap (20) to provide a continuous ventilation channel extending from a forefoot region of the footwear to an arch region of the footwear.
- An article of footwear as claimed in claim 1, wherein a waterproof housing (250) is positioned over the protective toe cap (20), the waterproof housing providing waterproofing in a forefoot region of the footwear.
- An article of footwear as claimed in claim 8, wherein the waterproof housing (250) includes either:a ventilation channel (230) having a heat egress port (232) for providing ventilation in the forefoot region, ora lateral vent (258') along a side of its ventilation channel (230') to provide further ventilation in the forefoot region.
- An article of footwear as claimed in claim 1, further comprising a metatarsal guard (370) having a ventilation channel (372) extending along a longitudinal axis of the footwear, wherein the ventilation channel of the metatarsal guard has a lateral vent (376) to allow heat to escape the ventilation channel.
- An article of footwear as claimed in claim 10, wherein the ventilation channel (372) of the metatarsal guard (370) is defined by first and second sides, and multiple lateral vents (376) are formed in the ventilation channel along the first and second sides.
- A protective toe cap (20) for an article of footwear comprising:a hemi-dome shaped body sized and shaped to cover a user's toes once incorporated into footwear, the body having inner and outer surfaces and a ventilation channel (23) extending in a longitudinal direction between a forefoot side (28) and a midfoot side (27) of the body, the ventilation channel (23) being open along the inner surface (24) to allow air to travel along the ventilation channel,characterized in that the ventilation channel (23) is defined in a protrusion (22) extending from the midfoot side (27) to the forefoot side (28), the protrusion (22) having a height at a maximum at the midfoot side (27) and decreasing in a direction of the forefoot side (28).
- A protective toe cap as claimed in claim 12, wherein the ventilation channel (23) either:defines an opening at the forefoot side (28) of the body, orincludes an inner surface that is offset from the inner surface (24) of the body of the toe cap, and the inner surfaces of the ventilation channel and the toe cap converge in the direction of the forefoot side (28) of the body.
- A protective toe cap as claimed in claim 12, wherein the toe cap is rigid and has strength characteristics sufficient to satisfy ASTM F2413-11.
- A protective toe cap as claimed in claim 12, wherein the toe cap includes multiple ventilation channels (23).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562172433P | 2015-06-08 | 2015-06-08 | |
PCT/US2016/036455 WO2016200946A1 (en) | 2015-06-08 | 2016-06-08 | Footwear ventilation structures and methods |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3302131A1 EP3302131A1 (en) | 2018-04-11 |
EP3302131A4 EP3302131A4 (en) | 2019-01-23 |
EP3302131B1 true EP3302131B1 (en) | 2020-05-27 |
Family
ID=57504630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16808192.5A Active EP3302131B1 (en) | 2015-06-08 | 2016-06-08 | Footwear ventilation structures and methods |
Country Status (4)
Country | Link |
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EP (1) | EP3302131B1 (en) |
CA (1) | CA2986050C (en) |
MX (1) | MX2017016027A (en) |
WO (1) | WO2016200946A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022202833A1 (en) * | 2022-03-23 | 2023-09-28 | Uvex Arbeitsschutz Gmbh | Protective shoe |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7818895B2 (en) * | 2006-05-24 | 2010-10-26 | International Truck Intellectual Property Company, Llc | Shoe for professional truckers |
US7992325B2 (en) * | 2006-11-06 | 2011-08-09 | Shew, Inc. | Flexibly rigid personal protective equipment components |
PT2220955E (en) * | 2007-12-14 | 2015-10-23 | Tecnotac S L | Safety toe cap for footwear |
CN201790070U (en) * | 2010-09-30 | 2011-04-13 | 赛纳集团有限公司 | Plastic covering head safety shoe |
US9119441B2 (en) * | 2010-12-30 | 2015-09-01 | Sport Maska Inc. | Skate boot tongue |
PL2740379T3 (en) * | 2012-12-10 | 2015-03-31 | Arbesko Gruppen Ab | Safety toe cap |
-
2016
- 2016-06-08 EP EP16808192.5A patent/EP3302131B1/en active Active
- 2016-06-08 MX MX2017016027A patent/MX2017016027A/en unknown
- 2016-06-08 CA CA2986050A patent/CA2986050C/en active Active
- 2016-06-08 WO PCT/US2016/036455 patent/WO2016200946A1/en active Application Filing
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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CA2986050C (en) | 2019-11-12 |
CA2986050A1 (en) | 2016-12-15 |
WO2016200946A1 (en) | 2016-12-15 |
EP3302131A4 (en) | 2019-01-23 |
EP3302131A1 (en) | 2018-04-11 |
MX2017016027A (en) | 2018-04-20 |
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