EP0927524A1 - Futter für Schuhwerk - Google Patents

Futter für Schuhwerk Download PDF

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Publication number
EP0927524A1
EP0927524A1 EP97830737A EP97830737A EP0927524A1 EP 0927524 A1 EP0927524 A1 EP 0927524A1 EP 97830737 A EP97830737 A EP 97830737A EP 97830737 A EP97830737 A EP 97830737A EP 0927524 A1 EP0927524 A1 EP 0927524A1
Authority
EP
European Patent Office
Prior art keywords
liner
footwear
tongue
end portion
functional layer
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
EP97830737A
Other languages
English (en)
French (fr)
Other versions
EP0927524B1 (de
Inventor
Plinio Garbujo
Paolo Poloniato
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.)
WL Gore and Associates SRL
Original Assignee
WL Gore and Associates SRL
Dolomite SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WL Gore and Associates SRL, Dolomite SpA filed Critical WL Gore and Associates SRL
Priority to AT97830737T priority Critical patent/ATE239400T1/de
Priority to EP97830737A priority patent/EP0927524B1/de
Priority to DE69721789T priority patent/DE69721789T2/de
Publication of EP0927524A1 publication Critical patent/EP0927524A1/de
Application granted granted Critical
Publication of EP0927524B1 publication Critical patent/EP0927524B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A43B7/12—Special watertight footwear
    • A43B7/125—Special watertight footwear provided with a vapour permeable member, e.g. a membrane
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/07—Linings therefor

Definitions

  • the invention relates to a footwear liner for lining a footwear having an upper material shaft.
  • the liner is arranged inside of at least the upper material shaft.
  • the invention relates to a method of making a footwear liner and to a footwear comprising a footwear liner.
  • Conventional footwear is usually provided with with a tongue integrated with or fixed to the upper material shaft.
  • High performance hiking boots are constructed with upper material which must be relatively stiff and structured in order to provide a good physical support to the foot. It is known to provide this type of hiking boots with a double tongue.
  • a first tongue is formed of the upper material and is correspondingly stiff.
  • a second tongue is sewn to the inside of the upper material and extends over the free end of the first tongue.
  • the second tongue is normally padded with foam or other suitable padding materials. The purpose of the second tongue is to prevent the stiff first tongue from pressing against the foot of the person wearing the footwear, in particular at the upper end of the first tongue and at its side portions where the tongue tends to wrinkle when the footwear is tightly closed by means of the laces thereof.
  • the object of the present invention is to provide means for making double tongue footwear in an easy and low-cost way.
  • the invention provides for a footwear liner for lining a footwear having an upper material shaft, wherein the liner is arranged inside of at least the upper material shaft and wherein a tongue is mounted to be at the inside of the liner.
  • the liner may comprise a waterproof functional layer.
  • the functional layer may in addition to being waterproof also be water vapor permeable.
  • Such functional layers are used to make footwear which is waterproof and possibly water vapor permeable.
  • Footwear of this type may be lined with a sock-like insert consisting of or comprising the functional layer material (also known by the technical expression "bootie") to protect the foot fully from penetrating water, or a construction is used wherein the upper material shaft only is lined with a functional layer shaft, wherein the sole-facing end areas of both the upper material shaft and of the functional layer shaft are turned around the circumferential edge of an insole.
  • the sole-facing open end of both the upper material shaft and the functional layer shaft are lasted and glued around a last holding the insole in an adhesive lasting process.
  • the lower end of the upper material shaft may be replaced by a porous material such as a net.
  • the outer sole may be glued or molded on.
  • the tongue may be arranged in a floating manner, this means only a lower end of the tongue is fixed to the liner whereas the upper part of the tongue is free to move relative to the liner.
  • the neck portion of the liner can be fixed to the neck portion of the upper material shaft.
  • the tongue attached to the liner acts as a second or inner tongue in the total footwear construction with the tongue of the upper material shaft being a first or outer tongue.
  • this second tongue at the footwear liner instead of the upper material shaft is highly advantageous in that it is much easier to fix a second tongue to a footwear liner than to an upper material shaft.
  • waterproof footwear comprising a functional layer
  • the mounting of the tongue to the footwear liner is done by sewing, it is easy to seal the seam by means of a sealing tape.
  • the stitching holes penetrating the functional layer need to be sealed by sealing tape.
  • the functional layer of the liner is usually laminated between a lining layer and a backing material layer so that the functional layer is not directly accessible to sealing tape.
  • the lining layer may comprise any combination of a foam, woven or non-woven or knitted textile or a fleece, made from for example polyester, polyamide, wool, polyurethane or polyacrylate.
  • the sealing tape does not adhere to the lining layer, at least not to such an extent that the functional layer itself can be sealed. In contrast, sealing tape adheres well to the backing material layer.
  • Usual backing material layers are very thin textile layers, for example a polyamide woven textile, which allow intimate sealing contact between the functional layer itself and the sealing tape.
  • the sealing tape itself may be made up of a functional layer with a textile knit on one side and an adhesive, for example polyurethane, on the other side, i.e. on that side adhering to the seam.
  • the lining layer is arranged on the inside of the footwear liner to form a padding and to absorb sweat and to allow it to be transported away from the foot.
  • the backing layer is arranged on the outside of the footwear liner to provide mechanical protection for the functional layer. It is therefore possible to seal the stitching seam without any problems by attaching the sealing tape to the sealable outside of the footwear liner before arranging it within the upper material shaft.
  • the inner side is defined to be the side facing the foot whereas the outer side is the side facing away from the foot.
  • the tongue can be padded, e.g. with foam, wad, fleece, textile, gel, liquid, air or any other suitable padding materials.
  • a free end portion of the tongue attached to the footwear liner and extending beyond a neck opening of the footwear liner is provided with engaging means, e.g. in the form of a zipper, velcro-type closure, snap fasteners, buttons or strings, which cooperatively engage with a complementary engaging means provided on the inside of a free end portion of the outer tongue and/or the upper material when the footwear liner is arranged within the upper material shaft.
  • engaging means e.g. in the form of a zipper, velcro-type closure, snap fasteners, buttons or strings, which cooperatively engage with a complementary engaging means provided on the inside of a free end portion of the outer tongue and/or the upper material when the footwear liner is arranged within the upper material shaft.
  • An end portion of the tongue of the footwear liner being opposed to the free end portion thereof can be used as a fixing end portion of the tongue for fixing the tongue to the footwear liner, either by means of stitching or by other fixing means, e.g. gluing.
  • the fixing end portion of the tongue can be formed by means of a flap fixed to the fixing end of the tongue, on the one hand, and fixed to the footwear liner, e.g. by means of stitching, on the other hand.
  • the fixing end portion can be detachably fixed to the liner as well.
  • the fixing end portion of the tongue can be stitched to the inner side or the outer side of the footwear liner.
  • the seam is not in the form of a single line but rather e.g. in the form of a cross covering an area large enough to prevent tearing of the functional layer.
  • the footwear liner is provided with an opening for feeding the fixing end portion of the tongue from the inside of the footwear liner to the outside thereof before stitching the fixing end portion on the outside of the footwear liner.
  • the stitching seam is sealed by means of sealing tape placed on the outside of the footwear liner.
  • the footwear liner can have the shape of a sock-like insert or bootie or it can have the form of a liner shaft to be arranged inside of the upper material shaft, with the sole-facing end area of the liner shaft being turned around the circumferential edge of an insole of the footwear in the form of a lasting allowance which is fixed to the insole, e.g. in an adhesive lasting process.
  • Another possibility is to fix the sole-facing open end of the liner shaft to the insole by means of stitching, e.g. in the form of a Strobel seam.
  • the functional layer in addition to being waterproof, is also water vapor permeable.
  • a footwear liner comprising a functional layer of this type should be used for footwear the upper material of which is vapor permeable as well which allows comfortable breathable waterproof footwear to be produced.
  • the functional layer material may be made of any waterproof material or film, but is preferably microporous expanded PTFE, with a continous liquid water impermeable coating.
  • Materials suitable for the functional layer comprise microporous expanded polytetrafluoroethylene (PTFE) as described in US patent specifications 3,953,566 and 4,187,390; expanded PTFE provided with water vapour permeable impregnating agents and/or layers as described in US patent specification 4,194,041; water vapour permeable polyurethane layers; or elastomers, such as copolyetherester and laminates thereof as described in US patent specifications 4,725,481 and 4,493,870.
  • PTFE microporous expanded polytetrafluoroethylene
  • Waterproof footwear is defined to mean that no liquid water leaks through the footwear, with no pressure being applied.
  • the Two Hour Test is used to test for waterproofness in footwear. This test was performed at ambient temperature and humidity. The footwear was checked to make sure that it was completely dry. A paper towel was folded in half, lengthwise, so that it was double, i.e., had two layers, and was set on a clean benchtop. The paper towel functions as a blotter. The footwear was then set on this paper towel blotter. Approximately 500-600 ml of clean, tap water was poured into the footwear, filling it to the top of the heel. The volume of water will vary with the size of the footwear. The paper towel blotter was then observed for wet spots, at fifteen minute intervals during a two hour period.
  • the footwear was rated to Pass, if the paper towel blotter remained dry, i.e., no water leaked through the the footwear.
  • the footwear was rated to Fail, if there were wet spots on the paper towel blotter, indicating where water had seeped through the footwear and collected on the paper towel.
  • Waterproof functional layer as used herein is meant a functional layer having water-penetration-resistance (hydrostatic resistance) of 6.8 kPa (1.0 psi) or more.
  • the Low Pressure Hydrostatic Resistance Test (WEP) is used to indicate the waterproofness of the functional layer. It consists essentially of forcing water against one side of a test piece, and observing the other side of the test piece for indications of water penetration through it.
  • the test specimen was clamped and sealed between rubber gaskets in a fixture that holds the test piece.
  • One surface of the test specimen was in contact with the water and the other side faced upward, open to the atmosphere, for close observation. Air was removed from inside the fixture and pressure was applied to the inside surface of the test piece, over an area of 7.62 cm (3.0 inches) diameter, as water was forced against it.
  • the water pressure on the test piece was increased to about 6.9 kPa (1.0 psi) by a pump connected to a water reservoir, as indicated by an appropriate gauge and regulated by an in-line valve.
  • the surface of the test piece was watched closely for the appearance of any water forced through the material. Water seen on the surface is interpreted as a leak.
  • the sample surface is observed for one minute at test pressure, at which time the number of leaks are counted and recorded.
  • Water-vapor-permeable as used herein is meant having a water-vapor-transmission (WVTR) rate of 100 g/m2/24-hours or more.
  • a similar expanded PTFE membrane was mounted to the surface of a water bath.
  • the water bath assembly was controlled at 23C plus 0.2C, utilizing a temperature controlled room and a water circulating bath.
  • the sample to be tested was allowed to condition at a temperature of 23C and a relative humidity of 50% prior to performing the test procedure. Samples were placed so the microporous polymeric membrane was in contact with the expanded polytetrafluoroethylene membrane mounted to the surface of the water bath and allowed to equilibrate for at least 15 minutes prior to the introduction of the cup assembly.
  • the cup assembly was weighed to the nearest 1/1000g and was placed in an inverted manner onto the center of the test sample.
  • the WVTR of the sample was calculated from the weight gain of the cup assembly and was expressed in grams of water per square meter of sample surface area per 24 hours.
  • the footwear liner of the present invention can be made by first forming a liner bootie or liner shaft and than fixing a tongue to the liner in such a way that the entire tongue or at least a floating main part of the tongue is inside of the liner.
  • the tongue is stitched on the turned out inside of the liner, the liner is turned outside in and the stitching seam is sealed by sealing tape adhesively fixed to the outside of the liner.
  • the invention further provides footwear comprising an upper material shaft having a first tongue and a footwear liner of the present invention having a tongue.
  • FIGS 1 and 2 show schematically first and second embodiments of the invention in the form of bootie-shaped footwear liners 19.
  • Footwear liner 19 can be constructed with a three-layer laminate as schematically shown in Figure 5, comprising a functional layer 21 which is sandwiched between a backing layer 23, for example a polyamide woven textile, on an outside and a lining layer 25, for example a polyacrylate woven textile and a polyurethane foam, on an inside.
  • the bootie consists of a number of laminate pieces which are connected to form the bootie by means of bootie seams 27. Each bootie seam 27 is sealed by means of sealing tape 29 as it is well known in this art.
  • a padded tongue 17 Inside of an instep portion 31 of the bootie 19 there is arranged a padded tongue 17.
  • a free end portion 33 of tongue 17 projects over a neck opening 35 of bootie 19.
  • the opposed end of tongue 17 is provided with a fixing end portion 35 through which tongue 17 is fixed to bootie 19.
  • the fixing end portion 35 can be a part of the tongue 17 or it can be a flap fixed to tongue 17.
  • tongue 17 is floating or movable within bootie 19 so that it can be bent away from the instep portion 31 of bootie 19, e.g. when the neck portion of bootie 19 is to be attached to the inside of the neck portion of the upper material shaft, e.g. by sewing.
  • fixing end portion 35 of tongue 17 is led through an opening 36 of the liner laminate such that the entire fixing end portion 35 or at least a substantial part thereof is positioned outside of the liner laminate.
  • Fixing end portion 35 is stitched to the liner laminate by means of a seam 37 which is sealed by means of sealing tape 39 adhesively fixed to the outside of the liner laminate such that it sealingly covers seam 37 as well as opening 36.
  • Lining layer 25 consists of a material and has a thickness which does not allow sealing of seam 37 by means of a sealing tape on the free surface of lining layer 25.
  • the textile backup layer 23 however consists of a material and has a thickness such that sealing tape 29 can be adhesively attached thereto in a way that it securely seals functional layer 21 where it is water permeable due to the stitching holes and the stitching thread.
  • Sealing tape 39 is dimensioned so that it seals not only seam 37 but opening 36 as well.
  • Figure 2 shows an embodiment of a bootie of the invention which differs from the embodiment in Figure 1 only in that its entire fixing end portion 35 is positioned inside of the liner laminate so that there is no need of an opening like opening 36 in Figure 1.
  • Figure 3 shows schematically a footwear liner 41 in the form of a liner shaft a sole-facing end 43 of which is open and will be fixed, e.g. by sewing, to an insole of a footwear within the upper material shaft of which footwear liner 41 is to be arranged.
  • tongue 17 At the outside of the free end portion 33 of tongue 17, there is attached a velcro closure 45, by means of which tongue 17 can be detachably fixed to a complementary velcro closure provided at a corresponding position of the inside of an outer tongue of an upper material shaft within which the footwear liner 41 of Figure 3 is to be arranged.
  • the bootie-shaped footwear liners 19 of Figures 1 und 2 can be provided with a velcro closure as well.
  • FIG. 4 A preferred method of making a bootie-shaped footwear liner according to Figure 2 is shown in Figure 4 illustrating a sequence of manufacturing phases A to F.
  • Figure 4A shows a bootie-shaped footwear liner or bootie 19 after it has been formed from a number of laminate pieces by sewing and tape sealing.
  • Backing layer 23 as shown in Figure 5 forms the outside of bootie 19 as shown in Figure 4A.
  • Bootie 19 is then turned inside out such that lining layer 25 of the turned out bootie is at the outside thereof (Figure 4B). Then tongue 17 is positioned on the instep portion 31 of the turned bootie 19 ( Figure 4C) and the fixing end portion 35 of tongue 17 is fixed to the turned bootie by seam 37 ( Figure 4D). Bootie 19, together with tongue 17 stitched thereon, is turned again by turning the bootie outside in so that backing layer 23 again is on the outside of bootie 19 and lining layer 25 is at the inside thereof (Figure 4E). Thereafter, sealing tape 29 is adhesively attached to the outside of the bootie laminate so that sealing tape 29 sealingly covers seem 37 (Figure 4F).
  • a footwear liner bootie 19 according to Figure 1 or 3 or a footwear liner shaft 41 according to Figure 3 is then ready for being arranged inside an upper material shaft of the footwear to be made waterproof by means of bootie 19 or liner shaft 41.
  • tongue 17 protects the foot of a person wearing this type of footwear from pressure caused by the stiff and possibly wrinkled outer tongue 15 of the upper material shaft.
  • the result is footwear with a high wearing comfort.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP97830737A 1997-12-31 1997-12-31 Futter für Schuhwerk Expired - Lifetime EP0927524B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT97830737T ATE239400T1 (de) 1997-12-31 1997-12-31 Futter für schuhwerk
EP97830737A EP0927524B1 (de) 1997-12-31 1997-12-31 Futter für Schuhwerk
DE69721789T DE69721789T2 (de) 1997-12-31 1997-12-31 Futter für Schuhwerk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97830737A EP0927524B1 (de) 1997-12-31 1997-12-31 Futter für Schuhwerk

Publications (2)

Publication Number Publication Date
EP0927524A1 true EP0927524A1 (de) 1999-07-07
EP0927524B1 EP0927524B1 (de) 2003-05-07

Family

ID=8230937

Family Applications (1)

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EP97830737A Expired - Lifetime EP0927524B1 (de) 1997-12-31 1997-12-31 Futter für Schuhwerk

Country Status (3)

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EP (1) EP0927524B1 (de)
AT (1) ATE239400T1 (de)
DE (1) DE69721789T2 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000063007A2 (en) * 1999-04-16 2000-10-26 W.L. Gore & Associates Gmbh Clothing part
US6817112B2 (en) 2000-07-25 2004-11-16 Adidas International B.V. Climate configurable sole and shoe
JP2013533778A (ja) * 2010-07-05 2013-08-29 ディーラックス シュポルトアルティーケル ハンデルス ゲーエムベーハー ブーツ、特にスキーブーツ又はスノーボードブーツ
TWI665976B (zh) * 2015-10-28 2019-07-21 欣合信股份有限公司 具活動式防水襪套之防水鞋
CN113056215A (zh) * 2018-11-14 2021-06-29 健乐士股份公司 具有可拆卸衬里的鞋类制品
US11785998B2 (en) 2015-08-19 2023-10-17 W. L. Gore & Associates, Inc. Conformable seamless three dimensional articles and methods therefor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7918041B2 (en) 2007-09-04 2011-04-05 Nike, Inc. Footwear cooling system
WO2017027826A2 (en) 2015-08-13 2017-02-16 W. L. Gore & Associates, Inc. Booties and footwear assemblies comprising seamless extensible film, and methods therefor

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953566A (en) 1970-05-21 1976-04-27 W. L. Gore & Associates, Inc. Process for producing porous products
US4194041A (en) 1978-06-29 1980-03-18 W. L. Gore & Associates, Inc. Waterproof laminate
US4370818A (en) * 1980-12-15 1983-02-01 Arthur Simoglou Protective footwear
US4377913A (en) * 1981-01-21 1983-03-29 Fredrick Stone Double tongue, double locking vamp assembly
US4493870A (en) 1982-12-02 1985-01-15 Akzo Nv Flexible layered product
US4725481A (en) 1986-10-31 1988-02-16 E. I. Du Pont De Nemours And Company Vapor-permeable, waterproof bicomponent structure
US4862730A (en) 1988-10-03 1989-09-05 W. L. Gore & Associates, Inc. Test method for determination of moisture vapor transmission rate
GB2264626A (en) * 1992-02-21 1993-09-08 Tecnic Shoe Co Ltd The Waterproof footwear
EP0631736A1 (de) * 1993-06-30 1995-01-04 Lange International S.A. Innenschuh für Skischuh
USRE34890E (en) * 1981-08-06 1995-04-04 Gore Enterprise Holdings, Inc. Waterproof shoe construction
US5664343A (en) * 1995-05-19 1997-09-09 The Rockport Company, Inc. Shoe having a waterproof liner
WO1997032499A1 (en) * 1996-03-05 1997-09-12 Roces S.R.L. In-shoe for sports footwear, in particular children's footwear

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187390A (en) 1970-05-21 1980-02-05 W. L. Gore & Associates, Inc. Porous products and process therefor
US3953566A (en) 1970-05-21 1976-04-27 W. L. Gore & Associates, Inc. Process for producing porous products
US4194041A (en) 1978-06-29 1980-03-18 W. L. Gore & Associates, Inc. Waterproof laminate
US4370818A (en) * 1980-12-15 1983-02-01 Arthur Simoglou Protective footwear
US4377913A (en) * 1981-01-21 1983-03-29 Fredrick Stone Double tongue, double locking vamp assembly
USRE34890E (en) * 1981-08-06 1995-04-04 Gore Enterprise Holdings, Inc. Waterproof shoe construction
US4493870A (en) 1982-12-02 1985-01-15 Akzo Nv Flexible layered product
US4493870B1 (en) 1982-12-02 1997-10-14 Akzo Nv Flexible layered product
US4725481A (en) 1986-10-31 1988-02-16 E. I. Du Pont De Nemours And Company Vapor-permeable, waterproof bicomponent structure
US4862730A (en) 1988-10-03 1989-09-05 W. L. Gore & Associates, Inc. Test method for determination of moisture vapor transmission rate
GB2264626A (en) * 1992-02-21 1993-09-08 Tecnic Shoe Co Ltd The Waterproof footwear
EP0631736A1 (de) * 1993-06-30 1995-01-04 Lange International S.A. Innenschuh für Skischuh
US5664343A (en) * 1995-05-19 1997-09-09 The Rockport Company, Inc. Shoe having a waterproof liner
WO1997032499A1 (en) * 1996-03-05 1997-09-12 Roces S.R.L. In-shoe for sports footwear, in particular children's footwear

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000063007A2 (en) * 1999-04-16 2000-10-26 W.L. Gore & Associates Gmbh Clothing part
WO2000063007A3 (en) * 1999-04-16 2001-01-04 Gore W L & Ass Gmbh Clothing part
US6817112B2 (en) 2000-07-25 2004-11-16 Adidas International B.V. Climate configurable sole and shoe
JP2013533778A (ja) * 2010-07-05 2013-08-29 ディーラックス シュポルトアルティーケル ハンデルス ゲーエムベーハー ブーツ、特にスキーブーツ又はスノーボードブーツ
US11785998B2 (en) 2015-08-19 2023-10-17 W. L. Gore & Associates, Inc. Conformable seamless three dimensional articles and methods therefor
TWI665976B (zh) * 2015-10-28 2019-07-21 欣合信股份有限公司 具活動式防水襪套之防水鞋
CN113056215A (zh) * 2018-11-14 2021-06-29 健乐士股份公司 具有可拆卸衬里的鞋类制品
CN113056215B (zh) * 2018-11-14 2023-05-30 健乐士股份公司 具有可拆卸衬里的鞋类制品

Also Published As

Publication number Publication date
ATE239400T1 (de) 2003-05-15
DE69721789T2 (de) 2003-11-20
DE69721789D1 (de) 2003-06-12
EP0927524B1 (de) 2003-05-07

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