EP2082660A1 - Schuhwerk - Google Patents

Schuhwerk Download PDF

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Publication number
EP2082660A1
EP2082660A1 EP09151269A EP09151269A EP2082660A1 EP 2082660 A1 EP2082660 A1 EP 2082660A1 EP 09151269 A EP09151269 A EP 09151269A EP 09151269 A EP09151269 A EP 09151269A EP 2082660 A1 EP2082660 A1 EP 2082660A1
Authority
EP
European Patent Office
Prior art keywords
sole unit
section
cavities
outsole
footbed
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.)
Granted
Application number
EP09151269A
Other languages
English (en)
French (fr)
Other versions
EP2082660B1 (de
Inventor
Chris Towns
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.)
C&J Clark International Ltd
Original Assignee
C&J Clark International Ltd
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 C&J Clark International Ltd filed Critical C&J Clark International Ltd
Publication of EP2082660A1 publication Critical patent/EP2082660A1/de
Application granted granted Critical
Publication of EP2082660B1 publication Critical patent/EP2082660B1/de
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

Definitions

  • This invention relates to footwear and more particularly to sole units for boots and shoes.
  • a sole unit for an article of footwear comprising a midsole section and an outsole section, the midsole section having formed therein a plurality of cavities each of which is open at its top end and is of smaller cross-sectional area at said top end than its bottom end, the outsole section incorporating a plurality of diaphragm elements, each of which closes off the bottom of one of the cavities and is capable of resiliently deflecting relative to its associated cavity to effect a pumping action therein.
  • the sole unit also comprises a footbed disposed above the midsole section, the footbed having a through orifice at the location of the top opening of each cavity.
  • the footbed has a number of channels in its underside, said channels interconnecting the cavities of the sole unit. Often, further through orifices lead from the channels to the top side of the footbed and also the area of the underside of the footbed surrounding each orifice is concave.
  • each cavity continually reduces towards its top end and preferably the cavities are substantially frusto-conical.
  • each diaphragm is defined by a reduced thickness periphery and in addition the lower surface of each diaphragm is domed downwardly so as to protrude below the surrounding portions of the outsole section.
  • the midsole section is formed from a different material to the outsole section.
  • the midsole section is formed separately from and is secured to the outsole section.
  • the outsole section is formed from a plurality of separate portions which are attached to the midsole section.
  • the outsole section is not continuous over the entire footprint of the sole unit.
  • valve means are provided to control air flow through and/or between the cavities.
  • the diaphragms are transparent or semi-transparent.
  • the sole unit comprises a footbed 13, a midsole section 14 and an outsole section 15.
  • the footbed 13 is moulded from a resilient plastics material such as polyurethane but other materials could also be used.
  • the midsole section is moulded from a resilient plastics material such as EVA but again other materials would be suitable.
  • the outsole section 15 comprises a number of natural rubber or synthetic rubber outsole portions 16 but a continuous outsole could also be used, as could other materials. This particular rubber compound has a Shore hardness of between 55 and 65 but other hardnesses could be employed depending on the required characteristics of the footwear.
  • the use of separate outsole portions 16 can also lend itself to the provision of different materials in different parts of the outsole section 15 to produce varied wear/comfort characteristics.
  • the midsole section 14 has a plurality of frusto-conical cavities 17 each of which has a small opening at its top end 18 and a wider opening at its bottom end 19.
  • the outsole portions 16 are securely bonded to the underside of the midsole section and the outsole portions 16 are shaped so as not to cover the grooves 20.
  • the parts of the outsole portions 16 which cover the bottom ends 19 of the cavities 17 are in the form of diaphragms 21 each of which connects to the surrounding part of outsole portion 16 by means of a peripherally extending portion 22 of reduced thickness.
  • Each reduced thickness portion 22 enables its enclosed diaphragm 21 to resiliently deflect more easily relative to its adjacent cavity 17.
  • the lowermost surface 23 of each diaphragm bulges downwardly so as to protrude below the surrounding parts of the outsole portion 16.
  • the underside of the footbed 13 has a concave recess 25 positioned above each cavity top end 18 and the recesses 25 are interconnected by means of channels 26 formed in the underside of the footbed.
  • a through orifice 27 is provided at each recess 25 to effect communication with the top side of the footbed.
  • Further orifices 28 are provided in the channels 26.
  • valve means may be provided to control the flow of air into and/or out of the cavities, or through the orifices 27, 28, or along the channels 26.
  • the valve means could be one-way mechanisms or could rely on compressive closure of the openings due to weight transfer during the walking cycle.
  • the heel area of the sole unit incorporates an air inlet member 40 which is located generally in the midsole section 14 and which extends laterally in this embodiment.
  • the inlet member 40 is generally tubular and is open to the atmosphere at one or both of its lateral ends 43.
  • the inside of the inlet member 40 communicates with two of the cavities 17 in the heel area via one-way valves 41.
  • the one-way valves 41 are in the form of "duck-bill" valves but other types of valves are envisaged. Air can therefore be drawn into the cavities 17 by suction when the diaphragms 21 deform resiliently downwards.
  • the cavities 17 also have one-way valves 42 which control communication with the recesses 25/channels 26. Again, in this example the one-way valves 42 are "duck-bill" valves which are ideally carried by the inlet member 40.
  • Fresh air drawn into the cavities 17 as the diaphragms 21 deform downwards is then passed outwardly through the valves 42 when the diaphragms 21 deform upwardly into the cavities 17.
  • This fresh air is distributed around the sole unit and out through orifices 27 and 28 (not shown in figures 5 and 6 ).
  • This passage of air can assist ventilation of the shoe and/or can provide a cooling action and/or can assist in the dispersal of moisture and/or odour.
  • valve system The precise form and location of the valve system is a matter of design choice and could be provided for more cavities than the two shown.
  • the inlet member and valves need not be separate components but could be moulded as part of the midsole.
  • the diaphragms 21 could be formed of a transparent or semi-transparent material such that the inside of the cavities/underside of the footbed can be seen. Contrasting colours in the cavity could produce a desirable decorative effect.
  • the number of cavities could vary as could their precise shape.
  • the reduced thickness portions 22 which define the shapes of the diaphragms could be omitted or partially omitted if the material of the outsole was already sufficiently flexible.
  • the footbed could be omitted in some types of footwear, for example where an insole is lasted to the upper in which case the midsole would be secured to the lasting margin of the upper.
  • Other modifications will be apparent without departing from the scope of the attached claims.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP09151269A 2008-01-25 2009-01-23 Schuhwerk Active EP2082660B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0801344.3A GB0801344D0 (en) 2008-01-25 2008-01-25 Footwear

Publications (2)

Publication Number Publication Date
EP2082660A1 true EP2082660A1 (de) 2009-07-29
EP2082660B1 EP2082660B1 (de) 2010-10-13

Family

ID=39186295

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09151269A Active EP2082660B1 (de) 2008-01-25 2009-01-23 Schuhwerk

Country Status (5)

Country Link
EP (1) EP2082660B1 (de)
AT (1) ATE484207T1 (de)
DE (1) DE602009000258D1 (de)
ES (1) ES2351659T3 (de)
GB (1) GB0801344D0 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319412A (en) * 1979-10-03 1982-03-16 Pony International, Inc. Shoe having fluid pressure supporting means
EP0122985A1 (de) 1983-04-21 1984-10-31 Clarks Limited Schuhe
US5815949A (en) * 1997-06-10 1998-10-06 Sessa; Raymond V. Footwear insert providing air circulation
US6751890B1 (en) * 2003-01-22 2004-06-22 Mao-Cheng Tsai Structure of ventilated shoe bottom
EP1457125A1 (de) * 2003-03-12 2004-09-15 Stefan Lederer Sohlenanordnung für Schuhe
WO2005051115A1 (en) * 2003-11-26 2005-06-09 B.A.G. S.P.A. A shoe comprising an insert of alveolar shape

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319412A (en) * 1979-10-03 1982-03-16 Pony International, Inc. Shoe having fluid pressure supporting means
EP0122985A1 (de) 1983-04-21 1984-10-31 Clarks Limited Schuhe
US5815949A (en) * 1997-06-10 1998-10-06 Sessa; Raymond V. Footwear insert providing air circulation
US6751890B1 (en) * 2003-01-22 2004-06-22 Mao-Cheng Tsai Structure of ventilated shoe bottom
EP1457125A1 (de) * 2003-03-12 2004-09-15 Stefan Lederer Sohlenanordnung für Schuhe
WO2005051115A1 (en) * 2003-11-26 2005-06-09 B.A.G. S.P.A. A shoe comprising an insert of alveolar shape

Also Published As

Publication number Publication date
DE602009000258D1 (de) 2010-11-25
GB0801344D0 (en) 2008-03-05
ATE484207T1 (de) 2010-10-15
ES2351659T3 (es) 2011-02-09
EP2082660B1 (de) 2010-10-13

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