EP2792262B1 - Chaussure de sécurité avec ventilation d'air active - Google Patents

Chaussure de sécurité avec ventilation d'air active Download PDF

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Publication number
EP2792262B1
EP2792262B1 EP13163735.7A EP13163735A EP2792262B1 EP 2792262 B1 EP2792262 B1 EP 2792262B1 EP 13163735 A EP13163735 A EP 13163735A EP 2792262 B1 EP2792262 B1 EP 2792262B1
Authority
EP
European Patent Office
Prior art keywords
air
sole
safety shoe
pump device
air pump
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.)
Active
Application number
EP13163735.7A
Other languages
German (de)
English (en)
Other versions
EP2792262A1 (fr
Inventor
Wilhelm Möhlmann
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.)
Atmos Airwalk AG
Original Assignee
Atmos Airwalk AG
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 Atmos Airwalk AG filed Critical Atmos Airwalk AG
Priority to EP13163735.7A priority Critical patent/EP2792262B1/fr
Priority to PCT/EP2014/053404 priority patent/WO2014170053A1/fr
Publication of EP2792262A1 publication Critical patent/EP2792262A1/fr
Application granted granted Critical
Publication of EP2792262B1 publication Critical patent/EP2792262B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A43B7/081—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures the air being forced from outside
    • 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 a safety shoe with für Stammsconcesohle and toe cap.
  • Such a safety shoe is for example from the GB 2 060 350 A known.
  • a shoe consists of two main parts, namely the upper part, called the shank, and the lower part, the floor.
  • the shank may include an inner shank (chuck), intermediate shank (intermediate chuck) and outer shank (upper leather).
  • the floor consists of at least one sole and may include an insole (insole) and an outsole. Between inner and outsole, one or more midsoles may be provided.
  • shoes which are equipped in the sole with devices which are supposed to favor the air circulation in the shoe, whereby the internal moisture in the shoe is to be reduced in order to improve the foot comfort of the user of the shoe.
  • This known shoe type generally provides hollow connections, which are accommodated in the sole interior connected to one another.
  • air is to be directed from outside to inside through openings in the sole.
  • the openings are sealed with membranes to protect against water.
  • no efficient fresh air supply is possible.
  • it may be provided to suck in air from outside through an air pump device via an air guide whose open end is guided upwards in a shaft.
  • a shoe is for example from the WO 2008/095353 A1 known.
  • the disadvantage of this type of footwear is the lack of efficiency of air circulation in the shoe due to the inefficient intake of air by means of the Air pumping device.
  • a ventilation device for insertion into a shoe in which by means of a hinged to a flange rotatable pump ventilation of a shoe interior, in which the ventilation device is used, is to be achieved.
  • the ventilation device is structurally very complicated and mechanically prone to failure with the movable pump device.
  • the proposed solutions are not suitable to ensure efficient air ventilation in a safety shoe, which is designed to protect the user from injury to the foot.
  • Such work shoes may generally have a puncture resistant insole for protection against penetration injuries from nails and other sharp objects and / or a toe cap for protection against crushing caused by falling objects.
  • Due to the relatively massive construction the ventilation of the safety shoe interior of safety shoes is particularly difficult.
  • the penetration safety sole is a puncture-resistant sole which prevents sharp objects, which a user of the safety shoe steps on, from penetrating into the shoe interior and injuring the foot of the user.
  • the penetration safety sole may be formed in the insole (puncture resistant insole), or it may be formed separately therefrom and partially or completely cover the insole.
  • the penetration safety sole can be made for example of sheet steel, fabric or Kevlar.
  • the toe cap protects the toes of the user from injury and can be made for example of sheet steel, plastic or titanium.
  • the claimed safety shoe can meet, for example, the standards DIN EN ISO 20345 or 20346.
  • the air discharge device may comprise at least one hose, with the aid of which air can be conducted from the air pump device provided in the heel region to the front of the air distribution device (or to a connection piece thereof which connects it to the air discharge device).
  • the air discharge device is formed below the insole. In the toe area of the shoe interior, this air can then be conducted, for example, via the air distribution device into the interior of the shoe.
  • the terms upper, upper, etc. refer to positions further away from a substrate contacting the sole structure when used in a safety shoe than positions referred to by terms such as below, lower, and so on.
  • the air distribution device is arranged at the front of the shoe in the toe cap above the insole in front of the toe area or in the foremost toe area (the area where the toes of a user of the safety shoe are located), and serves to supply the fresh air from the front into the interior of the shoe deliver.
  • the foot of the user is here overflowed from the beginning over the toes with the supplied fresh air.
  • an efficient ventilation of the shoe interior is provided for the first time by sucking air into the air pump device via the air supply device during the walking movement of the user and conveying it to the interior of the shoe via the air discharge device and the air distribution device.
  • the air distribution allows this a particularly efficient ventilation of the shoe interior.
  • the sole construction, or the insole, the lower outsole part and the air pump device may be designed such that it allows at least 5 ml, in particular at least 10 ml of air (fresh air) when expanding the air pump device from the outside (outside of the sole construction or the safety shoe with the sole construction) and at least 5 ml, in particular at least 10 ml, of air are expelled during compression of the air pump device into the safety shoe interior.
  • the pumping volume of an air pump device is determined here for a given sole construction as follows: To carry out a PC-controlled machine PFI DSPM-H 3035 (PFI-Hydraulic Shock Absorption Testing Machine), available from the Testing and Research Institute Pirmasens, Marie-Curie-Strasse 19, 66953 Pirmasens used.
  • PFI DSPM-H 3035 PFI-Hydraulic Shock Absorption Testing Machine
  • the contact pressure of the circular plunger with a diameter of 40 mm is in the measurement of the pumping volume according to the invention 1200 N.
  • the plunger is positioned as follows (see FIGS. 5a to 5d ).
  • the straight line g1 along the lower outsole portion having the greatest length of all the straight lines extending from the extreme edge of the heel portion of the lower sole portion to the outermost edge of the toe portion of the lower sole portion extend, determined.
  • the perpendicular s1 to the determined straight line g1 is determined ( FIG. 5a ).
  • the center M1 of this perpendicular s1 is detected with respect to the points P2 and P3 at which it intersects the lateral edges of the lower outsole part ( FIG. 5b ).
  • the straight line g2 (first test axis) is defined by the points P1 and M1.
  • Half of the distance from P1 to M1 on the line g2 defines the center point M2 (positioning point) ( FIG. 5c ).
  • the test stamp is positioned centrally on this center point M2 (positioning point). This is done, for example, by means of a second test axis g3, which is drawn perpendicular to the first test axis g2 and through its center M2 (positioning point) extending in addition to the first test axis g2.
  • the radius of the test stamp can then be marked on the test axes g2 and g3 ( FIG. 5d ).
  • the outsole By slowly lowering the test stamp before the test, the outsole can be positioned exactly, making sure that the test stamp does not put any pressure on the material. Corresponds to the positioning of the plunger markings marked, the outsole part is fixed with brackets so that no shifting of the outsole part is possible.
  • the air inlet hose sucks in the heel area recessed air pump via an air inlet valve to air.
  • an air outlet tube, Festo (pneumatic 10 bar at RT) PUN - 8 x 1.25 (inner diameter: 6 mm / outer diameter) is prepared through a further opening prepared in the outsole. 8 mm), through which the air pump device discharges air via an outlet valve.
  • the forefoot area of the sole construction is sealed during the continuous load test to check the amount of airflow.
  • the air flow is measured using a Bürkert Mass Flowmeter Type 8701 with a nominal flow rate of 1 l / min, available from Christian Bürkert GmbH & Co. KG, Christian-Bürkert-Strasse 13-17, 74653 Ingelfingen.
  • air is sucked in from outside the sole construction and outside the safety shoe, in particular from above the insole, by the air pump device.
  • the air supply device can be guided upwards in a shaft of the safety shoe.
  • the air pump device may in particular be designed to perform an air pumping function in response to a walking movement of a user of the safety shoe with the sole construction in such a way that it alternately discharges air (at least 5 ml, in particular at least 10 ml) over at least the foot of the user sucking in an air supply device from outside the sole construction or the safety shoe and distributing air (at least 5 ml, in particular at least 10 ml) in the safety shoe (discharging into the air discharge device) when the air pump device is loaded by the foot of the user.
  • the pumping effect can be further assisted in that the lower outsole part in the area of the air pumping device has a raised area in contact with the air pumping device, which is designed to be pressed in the direction of the insole when loaded by a user's foot. This ensures particularly efficient ventilation.
  • the air pump device may be formed as a cavity or as an independent entity.
  • the air pump device may be provided as a cavity in the form of a cavity filled with an air-permeable elastic filling material.
  • the use of only one formed cavity as the air pumping device simplifies the manufacturing process, reduces the manufacturing cost and can increase the reliability and life of the air pumping device.
  • the use of a separately designed as an independent entity air pump device can improve the efficiency of air circulation.
  • the air pump device may comprise a plastic pump reservoir as an independent entity. This is compressed when a user's foot rests on it, which squeezes air out of the plastic pump reservoir. If, during walking, the plastic pump reservoir is again relieved of the foot, it expands and draws from the outside due to the negative pressure previously created, which is fresh for the subsequent ventilation of the safety shoe interior and thus the foot of a user available.
  • the formation of the air pump device as a separate entity allows an independent of the sole construction or the sole body material selection and in particular material strength.
  • the safety shoe described in the above examples has in the air supply means a first one-way valve which is adapted to let air pass only in the direction from outside the sole structure into the air pumping means, and in the air discharge means a second one-way valve constructed that it passes air only in the direction of the air pump device through the air discharge device and finally to the air distribution device.
  • outside air can be drawn in by the air pump device, and the previously absorbed air can be expelled into the air discharge device.
  • the foot of a user is not on the Air pump device loads, sucks this air (especially at least 5 ml or at least 10 ml) from outside the sole construction (especially from above the insole) via the corresponding air supply means, when the foot is on her, she pumps the air (especially at least 5 ml or at least 10 ml) is pressed through the appropriate air discharge device for effective ventilation of the user's foot.
  • a safety shoe with a sole construction which provides active air circulation with a simple structure by walking or running motion alone, as is not known in the art.
  • the provided one-way valves allow efficient control of the airflows through the air ducts (air supply and exhaust means) into and out of the air pumping means.
  • the air discharge device may be in the form of a hose or channel; it can also be provided only in the form of an outlet of the air pump device, in particular an air reservoir of the air pump device.
  • the at least one air supply device and / or the at least one air discharge device may comprise a flexible hose and / or a covered channel or in each case consist of a flexible hose, for example of plastic.
  • a plurality of air supply means and / or air discharge means are provided, they may all comprise or consist of a hose or duct, or some and not all of the air ducts may each comprise or consist of a hose.
  • the air ducts can be formed integrally with a plastic pump reservoir of the air pump device. According to these examples, the air ducts (air supply and exhaust means) can easily and inexpensively guide the air to and from the air pumping device to ventilate the safety shoe interior.
  • the air supply device can be guided upwards, so that air can be sucked from the outside above the insole.
  • the air supply device in a shaft region of a safety shoe, which comprises the sole construction according to the invention end, in order to allow the intake of fresh air through the air pumping device.
  • the air supply device ends above the insole it is substantially avoided that dirt and / or moisture is sucked into the air pump device.
  • no membrane needs to be provided in or on the air supply device.
  • the air supply device is provided on a heel part of the safety shoe.
  • the heel part may comprise an outer and an inner heel part. Air is then drawn in from outside the safety shoe by the air pump device between the outer and the inner part of the heel part. Thus, air can be sucked through the air supply means in the outer part of the heel part, between the outer and the inner part of the heel part and through a correspondingly provided opening of the inner part of the heel part to the air pump device.
  • the air supply device may be formed as a separate entity, which is glued or sewn to the heel part. It can also be integrally formed with the heel part.
  • the heel part may also include an integrated water drain in the lower region of an air inlet of the air supply device, so that penetrating water is discharged directly again and does not get into the shoe interior.
  • the present invention provides a safety shoe with the sole construction according to one of the preceding examples with air supply and air discharge device, wherein the safety shoe has a shaft for slipping a foot of a wearer of the safety shoe, wherein the shaft has a part close to the sole construction and one of Sole construction has remote part, and in which the air supply means so partially along the shaft, in particular by a Inner liner of the stem separated from the foot of the wearer of the safety shoe, extending from the near part to the distal part, that air (in particular at least 5 ml or at least 10 ml) can be pumped from the remote part in the air pumping device.
  • fresh air can be drawn in from the air pump device over a relatively large area.
  • a water entry into the safety shoe from the outside is substantially avoided when the end of the air supply device, is sucked through the air from the outside, viewed from the outsole, higher than the lowest shank of the safety shoe.
  • a water drain below the fresh air inlet can be provided to prevent the ingress of water.
  • the safety shoe according to the invention comprises a penetration safety sole, wherein the penetration safety sole and the insole each comprise an opening (or an impermeable insole may comprise an opening) through which air from the air removal device can be directed to above the insole and into the shoe interior of the safety shoe.
  • the air distribution device which here has a plurality of openings through which air can be distributed from the air discharge device into the interior of the shoe, is provided in the region of a toe protection cap of the safety shoe.
  • the fresh air is conveyed via the air pump device and the air discharge device by means of the air distribution device in the area of the toe cap and above the insole in the shoe interior.
  • a sole construction of a safety shoe comprises a lower outsole part 16, an insole 31 and a penetration safety sole 35.
  • an air pumping device is provided in the form of a plastic pumping reservoir (as a separate entity, in one piece or in several pieces) Base element 14 and a lung cover 33 is formed.
  • a cavity 5 in the lower sole portion 16 could be provided as an air pumping device (instead of the elements 14 and 33).
  • a hose 12 is connected via a one-way valve 11 to the air pump device.
  • the air pumping device Upon loading of the heel area by the foot of a user during the walking movement, the air pumping device is compressed, whereby air is forced out of this into the tube 12.
  • Air is drawn in from the outside of the safety shoe via the air intake 18 and another one-way valve 11, which allows the air to pass only in the direction of the air pump device, from the air pump device.
  • This air-intake 18 may be visible in particular on the shaft of the safety shoe and in the form of a logo, pattern, trademark or the like. be formed or the like. Below an opening for the air inlet into the air-Intake 18 can still be integrated with a water drain 40, over the water below the Air intake can drain directly to prevent the air pump device from being sucked into the interior of the shoe.
  • At least 5 ml of air, in particular at least 10 ml of air are drawn in from outside the safety shoe.
  • at least 5 ml of air, in particular at least 10 ml of air are drawn in from outside the safety shoe.
  • at least 5 ml of air, in particular at least 10 ml of air are ejected from the air pump device into the tube 12.
  • the air expelled from the air pumping device is directed through the hose 12 toward the toe area of the safety shoe.
  • the tube 12 is connected to an air distribution device 32 (air nozzle).
  • the air distribution device 32 has openings 3 for distributing the air, as it does in FIG FIG. 3 clearly shown.
  • the connection is made by a provided in both the insole 31 and the penetration safety sole 35 opening.
  • the air distribution device 32 is located within a toe cap 34 and has openings 3, through which the fresh air conveyed by the air pump device can be ejected distributed in the toe area of the shoe interior of the safety shoe above the insole 31.
  • the in the FIGS. 1 and 2 shown construction is in FIG. 4 shown for further clarity in the form of a cross-sectional drawing. Same reference numerals as in the FIGS. 1 and 2 denote the same elements.
  • the hose 12 is in the example shown in a PU foam environment of the lower outsole part 16.
  • the PU foam environment is advantageous in that it damages any of the hose 12 by penetrating sharp objects attached to the penetration safety sole 35 for protection of a user's foot can be compensated by the elastic, sealing properties of the PU material.
  • the lower outsole part 16 may be on the actual tread, with the the soil is contacted, for example, consist of an abrasion-resistant rubber composition, as is known in the art.
  • the penetration safety sole 35 is in direct mechanical contact with the upper part of the air pump device, ie with the base element 14.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (7)

  1. Chaussure de sécurité avec
    une structure de semelle, qui comporte une première (31), une semelle de sécurité anti-perforation (35), une partie de semelle de marche inférieure (16) et un dispositif de pompage d'air, la semelle de sécurité anti-perforation (35) étant disposée entre la partie de semelle de marche inférieure (16) et la première (31), le dispositif de pompage d'air étant constitué soit par un espace creux encastré dans la partie de semelle de marche inférieure dans la zone du talon, soit est constitué séparément en tant qu'entité indépendante et est encastré complètement ou en partie dans un espace creux de la partie de semelle de marche dans la zone du talon,
    un dispositif d'apport d'air (18), qui est relié par un premier clapet unidirectionnel (11) faisant passer l'air uniquement en direction du dispositif de pompage d'air, au dispositif de pompage d'air, le dispositif d'apport d'air (18) étant aménagé sur une partie du talon de la chaussure de sécurité, et
    un dispositif d'évacuation d'air, qui est relié au dispositif de pompage d'air et qui est constitué pour diriger l'air du dispositif de pompage d'air vers un dispositif de répartition d'air (32), qui est relié au dispositif d'évacuation d'air, le dispositif d'évacuation d'air comportant un deuxième clapet unidirectionnel (11) qui fait passer l'air uniquement en direction du dispositif de pompage d'air vers le dispositif de répartition d'air (32), le dispositif de répartition d'air (32) étant positionné au-dessus de la première (31) à l'intérieur de la chaussure de la chaussure des sécurité dans un capuchon de protection des orteils (34) avant la zone des orteils et étant constitué pour diriger l'air à l'intérieur de la chaussure, et
    la première (31), la partie de semelle de marche inférieure (16) et le dispositif de pompage d'air étant constitués de telle manière que par le délestage de la structure de semelle pendant un mouvement de marche d'un utilisateur, l'air peut être aspiré par le dispositif d'apport d'air depuis l'extérieur de la chaussure de sécurité et au-dessus de la première (31) dans le dispositif de pompage d'air et par la sollicitation de la structure de la semelle pendant le mouvement de marche de l'utilisateur, l'air peut être expulsé par le dispositif d'évacuation d'air à l'intérieur de la chaussure de sécurité et le dispositif de pompage d'air peut être comprimé à cet effet d'un volume de pompage correspondant à la quantité de l'air expulsable, le volume de pompage étant d'au moins 5 ml.
  2. Chaussure de sécurité selon la revendication 1, le dispositif d'évacuation d'air comprenant un flexible (12), qui relie le dispositif de pompage d'air au dispositif de répartition d'air (32), le flexible étant disposé dans un enrobage de mousse polyuréthane (PU) de la partie de semelle de marche inférieure (16).
  3. Chaussure de sécurité selon l'une quelconque des revendications précédentes dans laquelle la partie de semelle de marche inférieure comporte dans la zone du dispositif de pompage d'air une zone surélevée en contact avec le dispositif de pompage d'air qui est constituée pour être comprimée en direction de la première lors de la sollicitation de la structure de la semelle.
  4. Chaussure de sécurité selon l'une quelconque des revendications précédentes dans laquelle le dispositif de pompage d'air est constitué par un espace creux encastré dans une partie de semelle de marche inférieure dans la zone du talon, qui est rempli d'un matériau de remplissage élastique perméable à l'air.
  5. Chaussure de sécurité selon l'une quelconque des revendications précédentes, avec en plus une tige pour entrer un pied d'utilisateur de la chaussure de sécurité, la tige comportant une partie proche de la structure de semelle et une partie éloignée de la structure de semelle et dans laquelle le dispositif d'apport d'air s'étend de telle manière de la partie proche à la partie éloignée en partie le long de la tige, notamment séparée du pied de l'utilisateur de la chaussure de sécurité par une doublure intérieure de la tige, de sorte que l'air peut être aspiré de la partie éloignée dans le dispositif de pompage d'air.
  6. Chaussure de sécurité selon l'une quelconque des revendications précédentes comprenant en plus une évacuation d'eau dans la zone inférieure du ou en dessous du dispositif d'apport d'air.
  7. Chaussure de sécurité selon l'une quelconque des revendications précédentes, la semelle de sécurité anti-perforation et la première comprenant respectivement une ouverture à travers laquelle de l'air peut être dirigé du dispositif d'évacuation d'air au-dessus de la première à l'intérieur de la chaussure de la chaussure de sécurité.
EP13163735.7A 2013-04-15 2013-04-15 Chaussure de sécurité avec ventilation d'air active Active EP2792262B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13163735.7A EP2792262B1 (fr) 2013-04-15 2013-04-15 Chaussure de sécurité avec ventilation d'air active
PCT/EP2014/053404 WO2014170053A1 (fr) 2013-04-15 2014-02-21 Chaussure de sécurité à ventilation active

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13163735.7A EP2792262B1 (fr) 2013-04-15 2013-04-15 Chaussure de sécurité avec ventilation d'air active

Publications (2)

Publication Number Publication Date
EP2792262A1 EP2792262A1 (fr) 2014-10-22
EP2792262B1 true EP2792262B1 (fr) 2018-06-13

Family

ID=48095717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13163735.7A Active EP2792262B1 (fr) 2013-04-15 2013-04-15 Chaussure de sécurité avec ventilation d'air active

Country Status (2)

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EP (1) EP2792262B1 (fr)
WO (1) WO2014170053A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3097808B1 (fr) * 2015-05-29 2017-09-13 ATMOS airwalk ag Dispositif d'entrée d'air pour une chaussure
EP3106051B1 (fr) * 2015-06-15 2019-09-11 ATMOS airwalk ag Chaussure équipée d'un dispositif de ventilation électrique
CN110495675B (zh) * 2019-08-20 2024-04-23 广州美犀智能科技有限公司 一种透气减震空调鞋

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2060350A (en) * 1979-07-19 1981-05-07 Orme Polymer Eng Ltd Safety footwear
AU8244798A (en) 1998-07-07 2000-01-24 Korea Institute Of Footwear & Leather Technology Air flowing direction variable ventilating type footwear
US7578074B2 (en) * 2005-09-29 2009-08-25 Ridinger Michael R Shoe ventilation and shock absorption mechanism
US8919011B2 (en) * 2006-11-30 2014-12-30 C. & J. Clark International Limited Footwear with air circulation system
CN100525665C (zh) * 2007-02-02 2009-08-12 尹波 臭氧杀菌换气鞋
WO2008156860A1 (fr) 2007-06-20 2008-12-24 Gore Enterprise Holdings, Inc. Chaussures à ventilation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
EP2792262A1 (fr) 2014-10-22
WO2014170053A1 (fr) 2014-10-23

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