EP1795080A1 - Wärmedämmverbundelement und Bekleidung, Schuh mit solchem Element - Google Patents

Wärmedämmverbundelement und Bekleidung, Schuh mit solchem Element Download PDF

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Publication number
EP1795080A1
EP1795080A1 EP06019122A EP06019122A EP1795080A1 EP 1795080 A1 EP1795080 A1 EP 1795080A1 EP 06019122 A EP06019122 A EP 06019122A EP 06019122 A EP06019122 A EP 06019122A EP 1795080 A1 EP1795080 A1 EP 1795080A1
Authority
EP
European Patent Office
Prior art keywords
insulating
insulating component
layer
envelope
casing
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.)
Withdrawn
Application number
EP06019122A
Other languages
English (en)
French (fr)
Inventor
Frédéric Giacobone
Antoine Barthelemy
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.)
Salomon SAS
Original Assignee
Salomon SAS
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 Salomon SAS filed Critical Salomon SAS
Publication of EP1795080A1 publication Critical patent/EP1795080A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/06—Thermally protective, e.g. insulating
    • A41D31/065—Thermally protective, e.g. insulating using layered materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/34—Footwear with health or hygienic arrangements with protection against heat or cold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing
    • Y10T428/237—Noninterengaged fibered material encased [e.g., mat, batt, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing
    • Y10T428/239—Complete cover or casing

Definitions

  • the present invention relates to a thermal insulation element for an article of clothing such as a shoe or article of footwear, and a shoe or article of clothing provided with such an element.
  • Footwear or footwear intended for use in cold environments must have sufficient thermal insulation to prevent foot cooling.
  • the winter shoes and especially "comparatively-ski" mountain shoes for winter use or high mountaineering are provided with liners or insulated slippers, the latter can be removable.
  • a foot zone that is particularly sensitive to cold is the toe zone. Indeed the blood circulation in this area can vary enormously, depending on the person and / or the physical activity of it.
  • the plantar area of the foot acts as a pump when it is requested, if this plantar area remains immobile or is insufficiently stressed, blood circulation does not occur normally and the toes beyond this area are not not sufficiently warmed up.
  • the DE 195 12 499 proposes to add to the interior of the shoe a layer of insulating material, of the type operating by air entrapment, non-compressible in the toe area only.
  • This layer of insulating material is sewn to the material of the shoe upper at the toe area and is shaped with the upper during the traditional assembly operation using a shape.
  • Such a construction is provided only for traditional fixtures.
  • the seams assembly must be sealed.
  • the insulating component known from this document consists of a polyester, nylon polyamide, gas impermeable polyethylene shell covered with a layer of reflective material such as aluminum, which is vacuum-sealed and inside which fine powdered insulating materials, such as silica, alumina, airgel and optionally a structural material made of fibers, for example polyester fibers, the vacuum being an excellent insulator since the absence of material prevents the conduction of heat.
  • the insulating component Due to vacuum packaging and the use of highly insulating materials, such as airgel, the insulating component has a very low thermal conductivity of less than 20 mW / mK.
  • the material obtained is therefore very insulating, even in thin layer.
  • the insulating component according to the US 2005/0175799 Due to its vacuum construction, the insulating component according to the US 2005/0175799 However, this has the disadvantage of being not very flexible, and therefore not easily adaptable to the shape of a garment and especially a shoe.
  • the insulating component remains very flexible.
  • the object of the present invention is to overcome these disadvantages.
  • An object of the present invention is to propose a new concept of thermal insulation for clothing and / or footwear.
  • Another object of the present invention is to provide a thermal insulation concept compatible with uses at very low temperatures and especially at temperatures below -20 ° C.
  • Another object of the present invention is to provide a new type of insulating component that can be easily conformed to the shape of the object in which it is to be incorporated.
  • the elastomeric materials are defined as natural or synthetic polymeric materials having elastic properties similar to those of rubber and therefore elastic at room temperature.
  • Materials based on elastomeric or elastomeric material are defined herein within the meaning of the present invention as composite materials based on elastomer and / or elastomerized, that is to say mixed with an elastomeric plasticizer, and having elastic properties similar to those of rubber. These materials retain at least some of these elastic properties even at low temperatures and therefore remain flexible and non-brittle, even at temperatures of the order of -20 ° C and below.
  • the use of elastic materials for the envelope of the insulating component makes it easy to conform said component to the shape of the object to which it is to be incorporated.
  • the envelope is hermetic also makes it possible to use, as an insulating material, either primary or complementary materials powder such as airgel powder, highly insulating silica, but volatile because of their powder structure.
  • elastomeric or elastomer-based materials for the casing makes it completely impermeable to water and prevents the insulation from being damaged by moisture and allows better handling during manufacture, especially when using powdered materials.
  • the invention also relates to the method of manufacturing such an insulating element and its application to various objects.
  • Figures 1 and 2 show a shoe 1 consisting of a rod 2 and an outer sole 3, incorporating an insulating component 10 according to the invention, shown in dashed lines in Figure 1.
  • the component or insulating element 10 is provided in the forefoot zone of the boot, it could also be provided in the toe or shoe tip area and / or in the heel area and / or the entire stem.
  • the toe / forefoot area is nonetheless a preferred area for placing such an insulator since it is the zone of the foot most sensitive to cooling.
  • FIGS. 2, 2A and 2B show more precisely the positioning of the insulating element 10 in the forefoot part 2a of the rod 2.
  • the rod 2 comprises in this forefoot zone 2a, and from the outside towards the inside, an outer casing 4, an insulating element 10 and a lining 5.
  • a complementary insulating liner 8 can be provided inside the shoe.
  • FIGS 3, 3A and 4 illustrate the construction of an insulating member 10 according to the invention.
  • the insulating element 10 consists of a layer of insulating material 11, in this case substantially in the shape of a U, inserted inside an envelope 12.
  • the envelope 12 consists of two films of elastomeric material 12a, 12b cut into a U-shape similar to that of layer 11, but with slightly larger dimensions.
  • the films 12a, 12b are films of elastomeric material and therefore waterproof. It may be polyurethane, silicone, rubber, ... or any other elastomeric material or composite material based on elastomer or elastomer having a flexural pattern of less than 500 MPa.
  • the films 12a, 12b can especially be constituted by composite materials consisting of a layer of elastic fabric, for example based on Spandex fibers or known under the trade name Lycra, coated with a layer of elastomeric material such as PU rendering them waterproof. It may also be elastomeric material such as elastomerized PVC.
  • the casing 12 thus obtained is perfectly sealed, so that the insulating material 11 placed inside thereof is protected from moisture and does not risk losing its thermal qualities.
  • the sealing of the casing 12 is made very simply by the peripheral weld 12c and does not require the addition of additional sealing tape as with seams.
  • Figure 3A illustrates a press device 40 for performing the peripheral welding.
  • the press 40 is a heating press, of a type known per se, and comprising two respectively upper 41 and lower 42 heating plates.
  • the lower plate 42 is fixed while the upper plate 41 is movable.
  • Two guide columns 43 arranged on each side of the lower plate 42, and slidably mounted in the upper plate 41, ensure the proper relative positioning of the two plates during their relative movements. Depending on the type of press, these guide columns can be deleted. Mobile and stationary trays can also be reversed.
  • a cylinder 44 ensures the displacements of the upper plate.
  • the two trays 41, 42 are heated and can be heated to a temperature of the order of 100 to 200 ° C.
  • a laying device, commonly called setting, 45 defining a footprint 45a complementary shape of that of the casing 12 so as to ensure correct positioning.
  • the setting 45 can be removed, the envelope 12 then being simply arranged flat on the lower plate 42.
  • a sidewalk 46 having the shape of the peripheral weld 12c in this case substantially the shape of a hollow horseshoe. It is the cooperation of this sidewalk 46 with the lower heating plate 42 which will allow the realization of the peripheral weld 12c.
  • This pavement 46 has a height provided so that the interval e2 between the two heating plates 41, 42, at the time of the pressing operation is greater than the thickness e1 of the insulating element 10, and therefore greater than the thickness of the insulating material 11 itself and the two layers of envelope 12a, 12b.
  • the press device described can be modified, the essential point being that the insulating material is not compressed during the welding phase and that only the periphery of the envelope is subjected to pressure during this phase.
  • peripheral welding is carried out, for a polyurethane envelope, at a temperature of 120 ° C for a period of 20 seconds, under a pressure of 3 bar.
  • the weld can also be performed with the interposition of a glue film, for example polyurethane glue.
  • Welding can also be performed with indirect heat input using for example the high frequency welding technique, or other similar methods.
  • the high-frequency welding method the operation for a polyurethane casing is carried out at a temperature of 70 to 80 ° C, at a pressure of 6 bar, for 18 seconds.
  • the insulating element 10 can be fixed at the desired location of the rod, in the example shown, in the forefoot zone 2a, by the assembly seam 6, which is made at the level of the peripheral weld 12c, so as not to damage the seal.
  • the assembly seam 6 also allows the simultaneous assembly to another part 2b of the rod 2 and / or to the lining 5 thereof.
  • This assembly of the different elements of the rod 2 is carried out flat, in a manner known per se.
  • the rod 2 is then threaded and shaped on a foot and fixed in the desired shape on it with the aid of the first mounting 7, the assembly is then fixed on the outer sole 3, for example by gluing, before removing the foot with a suitable drying time.
  • the casing 12 of the insulating element is elastomeric material, so elastic, shaping of the rod poses no problem even with said insulating element.
  • the encapsulation of the insulating material made using the sealed envelope 12 makes it possible to use insulating materials whose insulation qualities are reinforced by nanoscale powdered airgel material such as silica powder or carbon powder. or titanium. This type of material is also commonly known as super insulation and sold for example under the trade name Aspen Aerogel.
  • peripheral weld 12c of the insulating element 10 prevents any leakage of the powder during the manufacture of the article to be insulated or during its subsequent use and thus guarantees the thermal longevity of the insulating element thus formed.
  • waterproof encapsulation also protects the insulation from water and moisture that can come either from the inside (perspiration of the foot) or from the outside, and thus also to guarantee the efficiency of the thermal insulation obtained.
  • the elastomeric materials, and especially the polyurethane, used for the casing still retain a certain flexibility even at very low temperature, for example of the order of -20 ° C. or below, and thus allow a trouble-free use in shoes subject to repeated flexing.
  • excellent results have been obtained using a polyurethane film envelope.
  • the insulating element thus obtained retains a certain flexibility, even at very low temperature, allows use in products requiring such flexibility, such as gloves, shoes, etc.
  • FIG. 5 illustrates another embodiment in which the insulating element 10 comprises, in addition to the shell layers 12a, 12b of elastomer material, and the layer of insulating material 11, a fourth layer 13 of thermoplastic material such as polyethylene / polypropylene known under the trade name TEXON and commonly used to make the hard ends and / or reinforcements. It may also be thermosetting material depending on the type of reinforcement desired.
  • one of the envelope layers, for example 12a can be omitted and replaced by the layer 13 of thermoplastic material since this material is waterproof and compatible for bonding with the envelope layer 12a if the latter is made of polyurethane.
  • the insulating element 10 then makes it possible to combine the functions of hard end and thermal insulation, in this case the insulating element 10 does not extend throughout the area of the forefoot but remains limited to the toe area .
  • thermoplastic / thermosetting material it is also possible in this case and according to the needs, to provide two layers of thermoplastic / thermosetting material.
  • layer 11 of insulating material which can be doubled and / or made thicker as needed.
  • FIG. 6 illustrates another application of the invention to the embodiment of the thermal insulation of a helmet 20.
  • the helmet comprises, in a manner known per se, an outer envelope 21 of semi-spherical shape, of rigid material and an inner layer of shock-absorbing material (not shown in the drawing).
  • This helmet also has an additional substantially ring-shaped layer consisting of an insulating element according to the invention and disposed at the frontal, temporal and occipital zone.
  • the application of the present invention to helmets or to any other protective element such as knee protector, elbow protector, etc. is also interesting because of the deformation of the insulating material necessary for a good adaptation to the morphology of the body. the user's head or another part of the body.
  • the use of airgel material as insulation is the most particularly interesting because this material also has high shock absorbing capabilities. Indeed, the nanometric structure which slows the air circulation and thus provides thermal insulation characteristics, also slows the wave propagation and thus allows better shock absorption.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP06019122A 2005-12-06 2006-09-13 Wärmedämmverbundelement und Bekleidung, Schuh mit solchem Element Withdrawn EP1795080A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0512334A FR2894114B1 (fr) 2005-12-06 2005-12-06 Element d'isolation thermique et vetement, chaussure munie d'un tel element

Publications (1)

Publication Number Publication Date
EP1795080A1 true EP1795080A1 (de) 2007-06-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06019122A Withdrawn EP1795080A1 (de) 2005-12-06 2006-09-13 Wärmedämmverbundelement und Bekleidung, Schuh mit solchem Element

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US (1) US20070128391A1 (de)
EP (1) EP1795080A1 (de)
CN (1) CN1978969A (de)
FR (1) FR2894114B1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103497389A (zh) * 2013-09-30 2014-01-08 常熟市明阳电器安装工程有限公司 一种绝缘手套
TWI727198B (zh) 2015-05-29 2021-05-11 荷蘭商耐克創新有限合夥公司 鞋類平坦圖案製品及鞋類製品的製造方法
US10165822B2 (en) 2015-10-21 2019-01-01 W. L. Gore & Associates, Inc. Insulated footwear articles
US9693601B2 (en) 2015-11-11 2017-07-04 Cabela's Incorporated Footwear with zoned insulation
CN108778707B (zh) * 2016-01-27 2021-08-03 W.L.戈尔及同仁股份有限公司 隔离材料
CN106617375A (zh) * 2017-01-24 2017-05-10 南京马尔堡新材料科技有限公司 护垫、头盔及护膝
CN207252926U (zh) 2017-04-21 2018-04-20 W.L.戈尔(意大利)有限公司 隔热的鞋类物品
CN107048566A (zh) * 2017-06-08 2017-08-18 中国科学院长春应用化学研究所 一种使用合金骨架强化的消防头盔
EP3801868A1 (de) 2018-05-31 2021-04-14 Aspen Aerogels Inc. Glasfaserverstärkte aerogelzusammensetzungen
USD1007110S1 (en) 2022-03-23 2023-12-12 Mountain Origins Design LLC Footwear
USD1007826S1 (en) 2022-03-23 2023-12-19 Mountain Origins Design LLC Footwear
USD1007825S1 (en) 2022-03-23 2023-12-19 Mountain Origins Design LLC Footwear
USD1033862S1 (en) 2022-03-23 2024-07-09 Mountain Origins Design LLC Footwear
USD1008611S1 (en) 2022-03-23 2023-12-26 Mountain Origins Design LLC Footwear

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015347B (de) * 1954-08-06 1957-09-05 Georg Hartmann Schuhfabrik Kaelteschutzschuh oder -stiefel
US4005532A (en) * 1975-08-20 1977-02-01 Comfort Products, Inc. Insulated insole construction
US4331731A (en) * 1980-08-01 1982-05-25 Mitsubishi Gas Chemical Company, Inc. Exothermic body
DE19512499C1 (de) 1995-04-04 1996-06-05 Gore W L & Ass Gmbh Wärmeisolierkappe und damit ausgerüstetes Schuhwerk
US5532039A (en) * 1994-04-25 1996-07-02 Gateway Technologies, Inc. Thermal barriers for buildings, appliances and textiles
US5637389A (en) * 1992-02-18 1997-06-10 Colvin; David P. Thermally enhanced foam insulation
DE19907314A1 (de) * 1998-02-23 1999-08-26 Tech Chaussure Maroquinerie Ct Flexible Ausstattung für Bekleidung oder Schuhwerk, insbesondere Sohle, sowie Verfahren zur Herstellung derselben
US20030070323A1 (en) * 2001-10-15 2003-04-17 Johnson William C. Boot with oversized toe box for thermal insulation
US20050175799A1 (en) 2002-07-29 2005-08-11 Brian Farnworth Thermally insulating products for footwear and other apparel

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015347B (de) * 1954-08-06 1957-09-05 Georg Hartmann Schuhfabrik Kaelteschutzschuh oder -stiefel
US4005532A (en) * 1975-08-20 1977-02-01 Comfort Products, Inc. Insulated insole construction
US4331731A (en) * 1980-08-01 1982-05-25 Mitsubishi Gas Chemical Company, Inc. Exothermic body
US5637389A (en) * 1992-02-18 1997-06-10 Colvin; David P. Thermally enhanced foam insulation
US5532039A (en) * 1994-04-25 1996-07-02 Gateway Technologies, Inc. Thermal barriers for buildings, appliances and textiles
DE19512499C1 (de) 1995-04-04 1996-06-05 Gore W L & Ass Gmbh Wärmeisolierkappe und damit ausgerüstetes Schuhwerk
DE19907314A1 (de) * 1998-02-23 1999-08-26 Tech Chaussure Maroquinerie Ct Flexible Ausstattung für Bekleidung oder Schuhwerk, insbesondere Sohle, sowie Verfahren zur Herstellung derselben
US20030070323A1 (en) * 2001-10-15 2003-04-17 Johnson William C. Boot with oversized toe box for thermal insulation
US20050175799A1 (en) 2002-07-29 2005-08-11 Brian Farnworth Thermally insulating products for footwear and other apparel

Also Published As

Publication number Publication date
FR2894114B1 (fr) 2008-04-18
US20070128391A1 (en) 2007-06-07
FR2894114A1 (fr) 2007-06-08
CN1978969A (zh) 2007-06-13

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