EP2881005B1 - Bottes de ski - Google Patents

Bottes de ski Download PDF

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Publication number
EP2881005B1
EP2881005B1 EP14196675.4A EP14196675A EP2881005B1 EP 2881005 B1 EP2881005 B1 EP 2881005B1 EP 14196675 A EP14196675 A EP 14196675A EP 2881005 B1 EP2881005 B1 EP 2881005B1
Authority
EP
European Patent Office
Prior art keywords
shell
ski boot
composite
cuff
boot according
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
EP14196675.4A
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German (de)
English (en)
Other versions
EP2881005A1 (fr
Inventor
Davide Parisotto
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.)
Calzaturificio SCARPA SpA
Original Assignee
Calzaturificio SCARPA SpA
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Publication of EP2881005A1 publication Critical patent/EP2881005A1/fr
Application granted granted Critical
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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0486—Ski or like boots characterized by the material
    • A43B5/049—Ski or like boots characterized by the material with an upper made of composite material, e.g. fibers or core embedded in a matrix
    • 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
    • A43B23/0205—Uppers; Boot legs characterised by the material
    • A43B23/0235—Different layers of different material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/0482—Ski or like boots characterised by type or construction details made from materials with different rigidities
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/16—Fastenings secured by wire, bolts, or the like
    • A43C11/165—Fastenings secured by wire, bolts, or the like characterised by a spool, reel or pulley for winding up cables, laces or straps by rotation

Definitions

  • the present invention relates to a ski boot.
  • the present invention relates to a mountaineering ski boot, use to which the following disclosure will make explicitly reference without however losing in generality.
  • more recent mountaineering ski boots basically consist of a rigid shell made of plastic material, which is shaped so as to accommodate the foot of the skier, and is provided on the bottom with a front sole and a rear heel made of non-slip elastomeric material; and of a rigid tubular cuff made of plastic material, which is substantially C-shaped so as to embrace the lower section of the skier's leg from behind, and is hinged to the upper part of the shell so as to rotate about a transversal reference axis, which is substantially perpendicular to the midplane of the boot, and is also locally substantially coincident with the articulation axis of the ankle.
  • the lower part of the rigid shell is furthermore structured so as to be fixable on the back of a downhill ski or the like by means of specific mountaineering ski binding devices of known type.
  • the above-mentioned mountaineering ski boots are additionally provided with an inner liner made of soft and thermal insulating material, which is inserted inside the shell and the cuff, and is shaped so as to accommodate and protect both the foot and the lower section of the skier's leg; and with a series of manually-operated closing members which are located both on the shell and on the cuff, and are structured so as to selectively close/tighten the shell and the cuff so as to immobilize the skier's leg stably inside the liner.
  • mountaineering ski boots are generally also provided with a manually-operated cuff locking device which is usually located in the area immediately above the heel of the boot, straddling the shell and the cuff, and is structured so as to be able to, selectively and alternatively, rigidly lock the cuff to the shell in a given tilted position; or to unlock/release the cuff completely from the shell so as to allow the cuff to freely swing on the shell.
  • a manually-operated cuff locking device which is usually located in the area immediately above the heel of the boot, straddling the shell and the cuff, and is structured so as to be able to, selectively and alternatively, rigidly lock the cuff to the shell in a given tilted position; or to unlock/release the cuff completely from the shell so as to allow the cuff to freely swing on the shell.
  • ski-boots manufacturers have realized mountaineering ski boots in which the shell and the cuff are made entirely of composite material, i.e. are formed by one or more overlapping layers of carbon fibre which are conveniently braided and/or overlap each other and are embedded in an epoxy resin or the like.
  • shells and cuffs made of composite material have proven to be more vulnerable to impacts than those made of plastic material, especially in the front area of the shell.
  • EP1642706 discloses a ski boot wherein the shell comprises a main casing which is made of composite material and is shaped so as to accommodate the foot of the user, and a protective front cap which is made of plastic material and covers the tip of the main casing.
  • Aim of the present invention is to realize a composite material mountaineering ski boot that can obviate the drawbacks referred above.
  • a ski boot as defined in claim 1, and preferably, though not necessarily, in any one of the claims dependent thereon.
  • numeral 1 indicates as a whole a ski boot, and in particular a ski boot specifically structured for practising the sport of ski mountaineering.
  • the ski boot 1 basically consists of a rigid shell 2 made of composite material, which is shaped so as to accommodate the foot of the user, and is provided on the bottom with a front sole 3 and a rear heel 4 preferably made of rubber or other elastomeric material; and of a rigid cuff 5 preferably made of composite material, which is shaped so as to enclose the ankle of the user, and is hinged on the upper part of shell 2 so as to freely swing about a transversal reference axis R, which is locally substantially perpendicular to the vertical midplane of the boot (i.e. perpendicular to the plane of the sheet in figure 2 ), and is also locally substantially coincident with the articulation axis of the ankle of the user.
  • a transversal reference axis R which is locally substantially perpendicular to the vertical midplane of the boot (i.e. perpendicular to the plane of the sheet in figure 2 ), and is also locally substantially coincident with the articulation axis of the ankle of the
  • shell 2 consists of a composite-material casing 6 which is shaped so as to accommodate the foot of the user, and the front sole 3 and the rear heel 4 are fixed in an unmovable manner on the lower wall of the composite-material casing 6, preferably by gluing.
  • the rigid cuff 5 instead preferably consists of a composite-material casing which is substantially C-bend so as to embrace the lower section of the user's leg from behind.
  • the shell 2, or better the casing 6, and the cuff 5 are preferably, though not necessarily, made of a composite material formed by one or more overlapping layers of carbon fibre and/or fibre glass and/or aramid fibre, which are conveniently braided and/or overlap each other and are embedded in an epoxy phenolic or polyester resin, preferably of thermosetting type.
  • Sole 3 and heel 4 are instead preferably made of rubber or other non-slip elastomeric material and are preferably, though not necessarily, provided with a treaded profile.
  • the front part and the rear part of shell 2 made of composite material are also specifically structured/shaped so as to couple/bind in a rigid and stable, though easily releasable, manner with the toe-piece and with the heel-piece of a known ski binding device, which is in turn structured to be rigidly attached on the back of a downhill ski or the like.
  • the front part of shell 2 is provided with a substantially duckbill-shaped, protruding front tailpiece 7 which protrudes cantilevered beyond the edge of the front sole 3, and is structured so as to couple in a known manner with the toe-piece of the ski binding device.
  • the rear part of shell 2 is instead preferably provided with a metal-material insert 8 which is preferably attached to the composite-material casing 6, immediately above the rear heel 4, substantially straddling the midplane of the boot, and is structured so as to be able to couple in a known manner with the heel-piece of the ski binding device.
  • Cuff 5 instead is fastened in freely rotatable manner to shell 2 by means of two lateral connection hinges 9 which are located on the inner and outer lateral sides of shell 2 and of cuff 5, aligned along axis R, so as to allow cuff 5 to freely swing both forwards and backwards on shell 2, while always remaining on a reference plane which is orthogonal to axis R and is substantially coincident with the midplane of the boot.
  • the ski boot 1 is moreover provided with an inner liner 10 which is preferably made of soft and/or thermal insulating material, is accommodated inside shell 2 and cuff 5 preferably, though not necessarily, in removable manner, and is shaped so as to accommodate, envelope and protect the foot and the lower section of the leg of the user; and with a manually-operated, boot closing system which is structured so as to be able to selectively close/tighten shell 2 and cuff 5 for immobilizing the leg of the user stably inside the ski boot 1, or better, the inner liner 10.
  • an inner liner 10 which is preferably made of soft and/or thermal insulating material, is accommodated inside shell 2 and cuff 5 preferably, though not necessarily, in removable manner, and is shaped so as to accommodate, envelope and protect the foot and the lower section of the leg of the user; and with a manually-operated, boot closing system which is structured so as to be able to selectively close/tighten shell 2 and cuff 5 for immobilizing the leg of the user
  • shell 2 or better the composite-material casing 6, is preferably provided with a longitudinal slit 11 which extends along the upper wall of casing 2, more or less above the upper part of the instep of the foot of the user, and is structured/sized so as to allow the shell 2 to temporarily expand to facilitate the insertion and removal of the user's foot from liner 10.
  • the boot closing system instead comprises two independent, manually-operated, closing members 12 and 13 which are located one on shell 2 and the other on cuff 5, and are structured so as to be able to selectively close /tighten respectively the shell 2 and the cuff 5 for immobilizing the leg of the user stably inside the ski boot 1, or better, the inner liner 10.
  • the closing members 12 and 13 preferably consist of two manually-operated winch closing devices, like the ones marketed by American company BOA TECHNOLOGY INC.
  • These closing devices are already well-known in the field of sports footwear and are described and disclosed in detail, for example, in Patent Applications US19970917056 , WO1998 US16314 , JP20000507254 , US20010956601 , US20010099566 , US19990337763 , JP20010519784 , WO2000 US19440 , US19990388756 , US20010993296 , US20030459843 , US20050263253 , US20070841872 , US20070842009 , US20070841997 , US20070842013 , US20070842005 , WO2005 US39273 and US20040623341P , to which reference is directly made for any further details on the structure and/or operation thereof.
  • shell 2 also comprises an upper, flattened and oblong-shaped protective tongue 14, which is arranged to rest on the upper part of the composite-material casing 6 to cover the longitudinal slit 11.
  • the protective tongue 14 is therefore arranged substantially straddling the vertical midplane of the boot.
  • the protective tongue 14 is made of plastic material, and extends grazing the upper part of the composite-material casing 6, i.e. the area of the composite-material casing 6 immediately above the instep of the foot and possibly also the tibia-astragalus junction of the ankle, to cover the longitudinal slit 11.
  • the protective tongue 14 is preferably, though not necessarily, made of nylon (polyamide), PEBAX (polyester-amide) or similar plastic polymers.
  • shell 2 is furthermore provided with a front protective cap 15 made of plastic material, which covers the outer surface of the composite-material casing 6, at the tip of the composite-material casing 6, and is fixed in unmovable manner to said casing 6 preferably by means of gluing.
  • the protective cap 15 may also be made by injection moulding, directly on the tip of the composite-material casing 6.
  • the protective cap 15 is preferably substantially cup-shaped, and extends to cover the area of the tip of the composite-material casing 6 which is above the protruding front tailpiece 7.
  • the protective cap 15 is also made of nylon (polyamide), PEBAX (polyester-amide) or similar plastic polymers.
  • the protective cap 15 is preferably also provided with a protruding flap 16 which extends grazing the outer surface of the composite-material casing 6 up to reach the upper part of shell 2 above the phalanx area of the foot, and then extends towards the longitudinal slit 11 up to reach the lower end of the protective tongue 14 wherein joins the latter without a gap.
  • the protective tongue 14 is preferably made in one piece with the protective cap 15.
  • shell 2 is finally provided, on the inner and outer lateral side edges of the composite-material casing 6, with two protective lateral strips 17 made of plastic material preferably, though not necessarily, of elastomeric type, which extend upwards starting from the lateral side edges of sole 3, while grazing the outer surface of casing 6, and are fixed in unmovable manner to the composite-material casing 6 preferably by means of gluing.
  • the two lateral strips 17 are moreover shaped so as to enclose/embrace the composite-material casing 6 on the opposite sides thereof, at the tarsal-phalangeal area of the sole of the foot and preferably up to the area of the arch of the sole.
  • the two lateral protective strips 17 are also made in one piece with the front sole 3.
  • the part of shell 2 incorporating the front sole 3 is cambered substantially like the bowl of a spoon, so as to define a ground-resting surface 18 with an arched profile at least orthogonally to the midplane P of the boot.
  • the part of the lower wall of composite-material casing 6 that supports the front sole 3, and/or the front sole 3 are cambered substantially like the bowl of a spoon, so as to define a ground-resting surface 18 with an arched profile at least orthogonally to the midplane P of the boot.
  • the part of the lower wall of composite-material casing 6 that supports the front sole 3, and/or the front sole 3 are preferably cambered substantially like the bowl of a spoon, so as to define a front ground-resting surface 18 with an arched profile both parallel and orthogonally to the midplane P of the boot.
  • the radius of curvature r of the front ground-resting surface 18 preferably, though not necessarily, also ranges between 100 and 3000 cm (centimetres).
  • the part of shell 2 incorporating heel 4 is instead substantially flat, so as to define a rear ground-resting surface 19 which is substantially flat and is locally perpendicular to the midplane P of the boot.
  • the part of the lower wall of composite-material casing 6 that supports the rear heel 4, and/or the rear heel 4 are substantially flat, so as to define a rear ground-resting surface 19 which is substantially flat and is locally perpendicular to the midplane P of the boot.
  • the ski boot 1 is finally provided with an automatic or manually-operated cuff locking device 20, which is preferably located in the area immediately above the heel of the boot, straddling shell 2 and cuff 5, and is structured so as to be able to selectively and alternatively,
  • the cuff locking device 20 is manually operated and preferably comprises: a rigid rod 21, preferably made of metal material, which has the lower end hinged on shell 2 at the heel of the boot, so as to be able to freely rotate about a reference axis T locally substantially parallel to axis R (and therefore locally substantially perpendicular to the midplane of the boot), and which extends upwards on the midplane of the boot up to reaching the portion of cuff 5 located immediately above the heel of the boot; and a manually-operated mechanical locking member (not shown), which is rigidly attached to cuff 5 immediately above the heel of the boot so as to be engaged in axially slidingly manner by the end part of rod 21, and is structured so as to selectively prevent any relative movement between rod 21 and the locking member, so as to rigidly lock cuff 5 to shell 2.
  • a rigid rod 21, preferably made of metal material which has the lower end hinged on shell 2 at the heel of the boot, so as to be able to freely rotate about a reference axis T locally substantially parallel to
  • ski boot 1 Operation of ski boot 1 is easily inferable from the above description, and therefore does not require further explanations.
  • the front protective cap 15 is able to dampen the mechanical vibrations that the toe-piece of the ski binding device transmits to the composite-material casing 6 during the use of the skis, with all the advantages that this involves for the duration of shell 2.
  • the ski boot 1 may be provided, as a substitute for the two winch closing devices 12 and 13, with a series of lever closing buckles conveniently distributed on shell 2 and/or on cuff 5.
  • the rigid cuff 5 could be also made of plastic material, such as for example nylon (polyamide), PEBAX (polyester-amide) or similar plastic polymers.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Composite Materials (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (14)

  1. Chaussure de ski (1) comprenant une coque rigide (2) qui est formée de façon à loger le pied de l'utilisateur, et un bracelet rigide (5) qui est formé de façon à entourer la cheville de l'utilisateur et est articulé sur la coque (2) de façon à tourner autour d'un axe de rotation (R) sensiblement perpendiculaire au plan médian de la chaussure (P) et coïncidant sensiblement localement avec l'axe d'articulation de la cheville de l'utilisateur ;
    la coque (2) comprenant un revêtement (6) qui est réalisé en un matériau composite et est formé de façon à loger le pied de l'utilisateur, et un embout avant protecteur (15) qui est réalisé en un matériau plastique et couvre le bout du revêtement (6) réalisé en un matériau composite ;
    la chaussure de ski (1) étant caractérisée en ce que la partie avant du revêtement en matériau composite (6) est pourvue d'une partie terminale avant saillante (7) qui est structurée de façon à s'accoupler avec la partie de doigt de pied d'un dispositif de fixation de ski, et l'embout protecteur avant (15) couvre la zone du bout du revêtement en matériau composite (6) qui est au-dessus de ladite partie terminale avant saillante (7).
  2. Chaussure de ski selon la revendication 1, caractérisée en ce que l'embout protecteur avant (15) est sensiblement en forme de coupelle.
  3. Chaussure de ski selon l'une quelconque des revendications précédentes, caractérisée en ce que la coque (2) comprend également une languette protectrice (14) qui est agencée pour reposer sur la partie supérieure du revêtement en matériau composite (6) de façon à couvrir une fente longitudinale (11) présente sur ledit revêtement en matériau composite (6) ; ladite languette protectrice (14) étant réalisée en un matériau plastique.
  4. Chaussure de ski selon la revendication 3, caractérisée en ce qu'un rabat saillant (16) dudit embout avant protecteur (15) s'étend sur une surface du revêtement en matériau composite (6) jusqu'à fusionner avec la languette protectrice (14).
  5. Chaussure de ski selon l'une quelconque des revendications précédentes, caractérisée en ce que la coque (2) comprend également une semelle avant (3) et un talon arrière (4) qui sont fixés de manière inamovible sur la partie inférieure du revêtement en matériau composite (6).
  6. Chaussure de ski selon la revendication 5, caractérisée en ce que la semelle avant (3) est réalisée en caoutchouc ou en un autre matériau élastomérique.
  7. Chaussure de ski selon la revendication 5 ou 6, caractérisée en ce que la coque (2) comporte également, sur les côtés latéraux du revêtement en matériau composite (6), deux bandes protectrices latérales (17) qui sont réalisées en un matériau plastique et s'étendent vers le haut en partant des bords de côté latéral de la semelle avant (3).
  8. Chaussure de ski selon la revendication 7, caractérisée en ce que les deux bandes protectrices latérales (17) sont réalisées en un matériau élastomérique.
  9. Chaussure de ski selon la revendication 8, caractérisée en ce que les deux bandes protectrices latérales (17) sont réalisées d'une seule pièce avec la semelle avant (3).
  10. Chaussure de ski selon la revendication 7, 8 ou 9, caractérisée en ce que les deux bandes protectrices latérales (17) sont formées de façon à entourer/englober le revêtement en matériau composite (6) sur des côtés opposés de ce dernier, au niveau de la zone tarsophalangienne du pied.
  11. Chaussure de ski selon l'une quelconque des revendications 5 à 10, caractérisée en ce que la partie de la coque (2) incorporant la semelle avant (3) est formée sensiblement comme le cuilleron d'une cuillère, de façon à définir une surface reposant au sol avant (18) avec un profil arqué au moins orthogonalement au plan médian de la chaussure (P).
  12. Chaussure de ski selon l'une quelconque des revendications 5 à 11, caractérisée en ce que la partie de la coque (2) incorporant le talon arrière (4) est sensiblement plate, de façon à définir une surface reposant au sol arrière (19) qui est sensiblement plate et localement perpendiculaire au plan médian de la chaussure (P).
  13. Chaussure de ski selon l'une quelconque des revendications précédentes, caractérisée en ce que le bracelet (5) est également réalisé en un matériau composite.
  14. Chaussure de ski selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comprend également un dispositif de verrouillage de bracelet à commande manuelle ou automatique (20) qui est structuré de façon à fixer sélectivement et en variante à demeure le bracelet (5) à la coque (2) dans une position donnée dans laquelle le bracelet (5) est incliné vers l'avant d'un angle prédéterminé par rapport à la verticale de la coque (2) ; ou pour déverrouiller/dégager le bracelet (5) de la coque (2) de façon à permettre au bracelet (5) de pivoter librement sur la coque (2) autour dudit axe de rotation (R).
EP14196675.4A 2013-12-06 2014-12-05 Bottes de ski Active EP2881005B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000205A ITTV20130205A1 (it) 2013-12-06 2013-12-06 Scarpone da sci

Publications (2)

Publication Number Publication Date
EP2881005A1 EP2881005A1 (fr) 2015-06-10
EP2881005B1 true EP2881005B1 (fr) 2018-07-04

Family

ID=49958629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14196675.4A Active EP2881005B1 (fr) 2013-12-06 2014-12-05 Bottes de ski

Country Status (2)

Country Link
EP (1) EP2881005B1 (fr)
IT (1) ITTV20130205A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20152523A1 (it) * 2015-07-27 2017-01-27 La Sportiva S P A Scarpone da sci ibrido, particolarmente da scialpinismo
EP3725175B1 (fr) * 2019-04-19 2022-04-13 Calzaturificio S.C.A.R.P.A. S.p.A. Chaussure de ski
US20230363488A1 (en) * 2022-05-11 2023-11-16 Boa Technology, Inc. Tightening system for ski boots

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4811504A (en) * 1988-01-28 1989-03-14 Bunke Clinton R Walk ease ski boot soles
US5919455A (en) 1993-10-27 1999-07-06 Enzon, Inc. Non-antigenic branched polymer conjugates
GB9606396D0 (en) 1996-03-27 1996-06-05 Smithkline Beecham Plc Novel compounds
US6558784B1 (en) * 1999-03-02 2003-05-06 Adc Composites, Llc Composite footwear upper and method of manufacturing a composite footwear upper
FR2818506B1 (fr) * 2000-12-22 2004-06-18 Salomon Sa Chaussure
DE602004003248T2 (de) * 2004-09-29 2007-05-31 Lange International S.A. Sportschuh aus sehr hartem Material
ITPD20040269A1 (it) * 2004-11-02 2005-02-02 Novation Spa Articolo a struttura integrata in materiale composito ed in materiale termoplastico od elastometrico, e processo di produzione di detto articolo

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP2881005A1 (fr) 2015-06-10
ITTV20130205A1 (it) 2015-06-07

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