EP0029206A1 - Reinforcing sole for footwear, in particular long-distance skiing footwear - Google Patents
Reinforcing sole for footwear, in particular long-distance skiing footwear Download PDFInfo
- Publication number
- EP0029206A1 EP0029206A1 EP80106969A EP80106969A EP0029206A1 EP 0029206 A1 EP0029206 A1 EP 0029206A1 EP 80106969 A EP80106969 A EP 80106969A EP 80106969 A EP80106969 A EP 80106969A EP 0029206 A1 EP0029206 A1 EP 0029206A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sole
- footwear
- reinforcing
- longitudinal
- region
- 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- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
-
- 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
- A43B5/0411—Ski or like boots for cross-country
Definitions
- This invention relates to a reinforcing sole for footwear, in particular long-distance skiing footwear.
- This invention sets out to solve the above problem by providing a reinforcing sole for footwear, which affords the possibility of adjusting, in accordance with contingent.requirements, the degree of flexibility and. respectively, rigidity of the footwear, to thus confer to the footwear all those mechanical characteristics which best suit a selected sport activity.
- the reinforcing sole according to this invention while exhibiting greatly improved features, is also simple to manufacture without involving any expensive or complex equipment.
- the reinforcing sole of this invention can be readily formed from elements and materials which are ordinarily available on the market, and is highly competitive from the economical standpoint.
- a reinforcing sole for footwear in particular long-distance skiing footwear, characterized in that it comprises stiffening means elastically flexible in the longitudinal direction, that is in respect of deformations of said sole resulting from relative rotation about an axis substantially perpendicular to the longitudinal extension of the footwear plantar region and substantially parallel to the ground, and substantially rigid in the transverse direction, that is in respect of deformations of said sole resulting from relative rotation about an axis extending substantially parallel to the longitudinal extension of the plantar region of said footwear.
- the reinforcing sole for footwear in particular long-distance skiing footwear, according to this invention, is indicated generally at 1 and has a toe bit 2 at the front, and a heel bit 3 at the rear, which are of conventional design for connection to the footwear and possibly to the ski bindings.
- the exposed side of the sole 1 has stiffening means which comprise a plurality of ribs 4 intersecting one another in a substantially perpendicular fashion and arranged to be mutually inclined in one direction and in the opposite direction with respect to the longitudinal centerline of the sole.
- the ribs 4 which have reduced resisting sections at their crossing points, afford the possibility of imparting elastic flexibility in a longitudinal direction, that is in respect of deformations of the sole 1 resulting from relative rotation about an axis extending substantially perpendicular to the longitudinal lay of the plant region of the footwear and substantially parallel to the ground, while affording good rigidity in a transverse direction, that is in respect of deformations of the sole resulting from relative rotation about an axis substantially parallel to the longitudinal lay or extension of the footwear plantar region.
- the reinforcing sole has stiffening means comprising a peripheral border 5 connected, at the foot plant, by transverse ribs 6 which define reduced cross-section recesses 7 which may include longitudinal ribs 8 interconnecting opposite transverse edges of the recesses 7.
- longitudinal ribbings 10 which are interrupted by cutouts 11, which by breaking the continuity of the cross-section of the ribbings 10, impart the desired flexibility in the longitudinal direction.
- the cutouts 11 may have a herring-bone or dovetail configuration, or any other configuration effective to ensure a good flexibility in the longitudinal direction together with considerable rigidity or stiffness in the transverse direction.
- the sole has a bordering edge or border 20 which defines a first window 21 at the foot plantar region and a second window 22 at the arched region, said first and second windows being separated from each other by a transverse embossment 23 effective to impart a certain rigidity in the transverse direction.
- sleeve-like seats 24 whereinto a transverse stiffening foil 25 can be inserted from one side of the sole.
- Similar sleeve seats 24 are provided, for lateral access, at the arched region of the foot, where a pocket-like seat 30 is defined wherein a prevailingly longitudinally extending elastic foil 31 can be inserted which imparts the desired elastic flexibility in the longitudinal direction, to allow an elastic recover of the sole which can be adjusted by changing the type of the elastic foil utilized.
- the user is enabled to adjust at will, in accordance with the requirements of the intended sport practice, the stiffening foils 25, as well as the elastic foil 31, to thus achieve the mechanical characteristics of the sole which best suit the user's own requirements.
- the materials employed, as well as the dimensions and contingent shapes may be any ones to suit individual applicational requirements.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Toys (AREA)
- Laminated Bodies (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
A reinforcing sole for long-distance skiing footwear, which comprises stiffening means (4) elastically flexible in the longitudinal direction, and substantially rigid in the transverse direction. The stiffening means comprise among others ribs (4) crossing one another substantially perpendicularly and being arranged mutually inclined on the longitudinal centerline of the sole (1). The ribs (4) have reduced resisting sections at the crossing points thereof.
Description
- This invention relates to a reinforcing sole for footwear, in particular long-distance skiing footwear.
- It is well known that the practice of sport activities, specifically long-distance skiing, requires footwear that exhibit flexibility characteristics in one direction and rigidity or stiffness characteristics in another direction.
- Considering, in particular, long-distance skiing footwear, it is noticeable that it must be considerable light in weight, while adequately protecting the foot against water and snow leaks, and leave the ankle articulation almost completely unzmpeded, or at least only slightly restrained.
- In long-distance skiing footwear, it is further necessary for the sole to incorporate latching means for an efficient coupling of the footwear to the ski bindings.
- The solutions provided heretofore have not always been successful, especially in providing a sole having good longitudinal flexibility at the plantar region, i.e. in respect of deformations of said sole which result from relative turning about an axis substantially perpendicular to the longitudinal extension of the footwear plantar region and substantially parallel to the ground, while having a certain transverse rigidity, namely about an axis extending perpendicularly to the former.
- This invention sets out to solve the above problem by providing a reinforcing sole for footwear, which affords the possibility of adjusting, in accordance with contingent.requirements, the degree of flexibility and. respectively, rigidity of the footwear, to thus confer to the footwear all those mechanical characteristics which best suit a selected sport activity.
- Within the above general aim, it can be arranged that the reinforcing sole according to this invention, while exhibiting greatly improved features, is also simple to manufacture without involving any expensive or complex equipment.
- It can be further arranged that the reinforcing sole of this invention can be readily formed from elements and materials which are ordinarily available on the market, and is highly competitive from the economical standpoint.
- According to one aspect of the present invention, there is provided a reinforcing sole for footwear, in particular long-distance skiing footwear, characterized in that it comprises stiffening means elastically flexible in the longitudinal direction, that is in respect of deformations of said sole resulting from relative rotation about an axis substantially perpendicular to the longitudinal extension of the footwear plantar region and substantially parallel to the ground, and substantially rigid in the transverse direction, that is in respect of deformations of said sole resulting from relative rotation about an axis extending substantially parallel to the longitudinal extension of the plantar region of said footwear.
- Further features and advantages will be apparent from a detailed description of some preferred, but not limitative, embodiments of a reinforcing sole for footwear, in particular long-distance skiing footwear, with reference to the accompanying exemplary drawing, where:
- Figure 1 is a bottom plan view of a first embodiment of the sole;
- Figure 2 is a bottom plan view of a second embodiment of the sole, as incorporating preset resisting sections;
- Figure 3 shows a third embodiment of the sole, with interchangeable elements; and
- Figure 4 is a sectional view taken along the line IV-IV of Figure 1.
- With reference to the drawing figures, and specifically to Figure 1, the reinforcing sole for footwear, in particular long-distance skiing footwear, according to this invention, is indicated generally at 1 and has a
toe bit 2 at the front, and aheel bit 3 at the rear, which are of conventional design for connection to the footwear and possibly to the ski bindings. - At that portion of the sole which spans the plant and arch of the foot, the exposed side of the sole 1 has stiffening means which comprise a plurality of
ribs 4 intersecting one another in a substantially perpendicular fashion and arranged to be mutually inclined in one direction and in the opposite direction with respect to the longitudinal centerline of the sole. - The
ribs 4, which have reduced resisting sections at their crossing points, afford the possibility of imparting elastic flexibility in a longitudinal direction, that is in respect of deformations of the sole 1 resulting from relative rotation about an axis extending substantially perpendicular to the longitudinal lay of the plant region of the footwear and substantially parallel to the ground, while affording good rigidity in a transverse direction, that is in respect of deformations of the sole resulting from relative rotation about an axis substantially parallel to the longitudinal lay or extension of the footwear plantar region.. - The embodiment illustrated in Figure 1, wherein transverse stiffness is practically ensured by the honeycomb structure of the ribs, lends itself ideally to direct incorporation in the sport shoe sole, to thus confer thereto the aforementioned features; this solution affording variation of the rigidity and flexibility characteristics by utilizing the different mechanical properties of the materials employed.
- With reference to Figure 2, the reinforcing sole has stiffening means comprising a
peripheral border 5 connected, at the foot plant, by transverse ribs 6 which define reduced cross-section recesses 7 which may includelongitudinal ribs 8 interconnecting opposite transverse edges of the recesses 7. - This solution, by virtue of the larger cross-section of the transverse ribs 6 with respect to the
ribs 8 imparts, at the plantar region, a great transverse rigidity combined with a longitudinal flexibility which can be adjusted and set by suitably dimensioning theborder 5 as well as thetransverse ribs 8. - At the arched region· of the foot, there are defined
longitudinal ribbings 10 which are interrupted bycutouts 11, which by breaking the continuity of the cross-section of theribbings 10, impart the desired flexibility in the longitudinal direction. - The
cutouts 11 may have a herring-bone or dovetail configuration, or any other configuration effective to ensure a good flexibility in the longitudinal direction together with considerable rigidity or stiffness in the transverse direction. - It should be added that by providing the cutout, an elastic element is effectively achieved which favor the return of the sole to its rest position.
- With reference to the embodiment shown in Figures 3 and 4, a sole, similar in principle to the preceding ones, will be described with the difference that it includes stiffening means which are interchangeable in accordance with contingent requirements.
- More specifically, the sole has a bordering edge or
border 20 which defines afirst window 21 at the foot plantar region and asecond window 22 at the arched region, said first and second windows being separated from each other by atransverse embossment 23 effective to impart a certain rigidity in the transverse direction.. - To adjust as desired the transverse rigidity and longitudinal flexibility, at the
first window 21 there are provided sleeve-like seats 24, whereinto a transversestiffening foil 25 can be inserted from one side of the sole.Similar sleeve seats 24 are provided, for lateral access, at the arched region of the foot, where a pocket-like seat 30 is defined wherein a prevailingly longitudinally extendingelastic foil 31 can be inserted which imparts the desired elastic flexibility in the longitudinal direction, to allow an elastic recover of the sole which can be adjusted by changing the type of the elastic foil utilized. - With this embodiment, therefore, the user is enabled to adjust at will, in accordance with the requirements of the intended sport practice, the
stiffening foils 25, as well as theelastic foil 31, to thus achieve the mechanical characteristics of the sole which best suit the user's own requirements. - Thus, it will be appreciated from the foregoing that the invention achieves its objects, and in particular the fact is pointed out that this sole affords the possibility of manufacturing footwear of-a lightweight type the only function whereof is one of protecting the foot, whereas the mechanical properties required of the footwear are in practice delegated to the reinforcing sole of this invention, which sole can provide all those mechanical characteristics which are sought by the user-in practicing a sporting activity.
- The invention as described is susceptible to many modifications and variations without departing from the purview of the instant inventive concept.
- Moreover, all of the details may be replaced with other,,technically equivalent, elements.
- In practicing the invention, the materials employed, as well as the dimensions and contingent shapes, may be any ones to suit individual applicational requirements.
Claims (10)
1.. A reinforcing sole for footwear, in particular long-distance skiing footwear, characterized in that it comprises stiffening means (4,5,6,10,20,25,31) elastically flexible in the longitudinal direction, that is in respect of deformations of said sole (1) resulting from relative rotation about an axis substantially perpendicular to the longitudinal extension of the footwear plantar region and substantially parallel to the ground, and substantially rigid in the transverse direction, that is in respect of deformations of said sole resulting from relative rotation about an axis extending substantially parallel to the longitudinal extension of the plantar region of said footwear.
2..A reinforcing sole according to Claim 1, characterized in that said stiffening means comprise ribs (4) crossing one another substantially perpendicularly and being arranged mutually inclined on the longitudinal centerline of said sole (1), said ribs (4) having reduced resisting sections at the crossing points thereof.
3. A reinforcing sole according to the preceding claims, characterized in that said stiffening means comprise a peripheral border (5) extending along the periphery of the foot plantar region, said border being connected by transverse ribbings (6) defining recesses (7) the opposite transverse edges whereof are interconnected by.longitudinal ribbings (8).
4. A reinforcing sole according to one or more of the preceding claims, characterized in that it comprises longitudinal ribbings (10) arranged at the arched region of the foot and having cutouts (11) defining a sharp cross-section change.
5. A reinforcing sole according to one or more of the preceding claims, characterized in that said cutouts (11) have a herring-bone and/or dovetail configuration.
6. A reinforcing sole according to one or more of the preceding claims, characterized in that said stiffening means comprise a contouring border (20) connected by a transverse embossment (23) defining a first window (21) at the foot plantar region and a second window (22) at the foot arched region.
7. A reinforcing sole according to one or more of the preceding claims, characterized in that it comprises at said border (20) sleeve-like seats whereinto interchangeable stiffening foils (25) can be inserted.
8. A reinforcing sole according to one or more of the preceding claims; characterized in that it comprises, at the region corresponding to the foot arched region, a pocket-like seat-whereinto an elastic foil (31) can be inserted which has a prevailingly longitudinal extension and is adapted to impart a degree of elasticity for returning said sole to the rest condition thereof.
9. A reinforcing sole according to one or more of the preceding claims, characterized in that said sole (1) is formed directly at the footwear sole area.
10. A.reinforcing sole according to one or more of the preceding claims, characterized in that said sole (1) is attached to the sole area of said footwear.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT82554/79A IT1166283B (en) | 1979-11-20 | 1979-11-20 | SOLE, STRENGTHENING WITH TRANSVERSAL STRENGTHENING AND LONGITUDINAL ELASTICITY FOR FOOTWEAR FOR SKIING |
IT8255479 | 1979-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0029206A1 true EP0029206A1 (en) | 1981-05-27 |
Family
ID=11318756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP80106969A Withdrawn EP0029206A1 (en) | 1979-11-20 | 1980-11-12 | Reinforcing sole for footwear, in particular long-distance skiing footwear |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0029206A1 (en) |
IT (1) | IT1166283B (en) |
NO (1) | NO803490L (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2556569A1 (en) * | 1983-12-14 | 1985-06-21 | Salomon & Fils F | Sports-boot sole, particularly for cross-country skiing |
US4674202A (en) * | 1983-12-16 | 1987-06-23 | Warrington Inc. | Cross-country ski boot |
FR2595951A1 (en) * | 1986-03-19 | 1987-09-25 | Salomon Sa | Assembly consisting of a cross-country-skiing or ski-hiking boot and a device for retaining the front of this boot on a ski |
US4907353A (en) * | 1987-01-23 | 1990-03-13 | Tmc Corporation | Cross-country ski boot |
FR2682011A1 (en) * | 1991-10-03 | 1993-04-09 | Salomon Sa | SPORTSHOE, ESPECIALLY CROSS-COUNTRY SKIING COMPRISING MEANS OF TORSIONAL STIFFNESS AND FLEXIBLE SOFTENING. |
FR2817126A1 (en) * | 2000-11-29 | 2002-05-31 | Salomon Sa | SHOE SOLE, PARTICULARLY SPORTS, ONE OF ITS MANUFACTURING METHODS, AND FOOTWEAR COMPRISING SAID SOLE |
FR2823076A1 (en) * | 2001-04-09 | 2002-10-11 | Salomon Sa | Reinforcement for boots used with cross-country skis, comprises sandwich structure conferring longitudinal flexibility and torsional stiffness |
DE102004004317A1 (en) * | 2004-01-28 | 2005-08-11 | Rottefella As | Outsole for a sports shoe, in particular cross-country skiing or telemark shoe |
WO2006085131A1 (en) | 2005-02-11 | 2006-08-17 | Rottefella As | Outsole for a cross-country ski boot or telemark boot and cross-country ski boot or telemark boot having such an outsole |
US7887080B2 (en) | 2004-05-19 | 2011-02-15 | Rottefella As | Cross-country or telemark binding |
US8167331B2 (en) | 2008-04-25 | 2012-05-01 | Rottefella As | Spring cartridge for ski binding |
WO2013058658A1 (en) * | 2011-10-17 | 2013-04-25 | Rottefella As | Outer sole for ski boot |
US9776065B2 (en) | 2005-01-10 | 2017-10-03 | Rottefella As | Ski, or similar device for sliding on snow, having a mounting aid for a binding |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2179463A5 (en) * | 1972-04-07 | 1973-11-16 | Dassler Adolf | |
DE2645007A1 (en) * | 1976-03-27 | 1978-04-13 | Continental Gummi Werke Ag | Ski boot with sole reinforced with steel plate - has ribs formed in steel to increase torsional stiffness |
DE2657099A1 (en) * | 1976-12-16 | 1978-06-22 | Adolf Dassler | Ski boot for long runs with elastic e.g. polyamide sole - has weakened zones in front section extending between ball of foot and joint |
-
1979
- 1979-11-20 IT IT82554/79A patent/IT1166283B/en active
-
1980
- 1980-11-12 EP EP80106969A patent/EP0029206A1/en not_active Withdrawn
- 1980-11-19 NO NO803490A patent/NO803490L/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2179463A5 (en) * | 1972-04-07 | 1973-11-16 | Dassler Adolf | |
US3808713A (en) * | 1972-04-07 | 1974-05-07 | A Dassler | Running sole of flexible synthetic material for sports shoes |
DE2645007A1 (en) * | 1976-03-27 | 1978-04-13 | Continental Gummi Werke Ag | Ski boot with sole reinforced with steel plate - has ribs formed in steel to increase torsional stiffness |
DE2657099A1 (en) * | 1976-12-16 | 1978-06-22 | Adolf Dassler | Ski boot for long runs with elastic e.g. polyamide sole - has weakened zones in front section extending between ball of foot and joint |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2556569A1 (en) * | 1983-12-14 | 1985-06-21 | Salomon & Fils F | Sports-boot sole, particularly for cross-country skiing |
US4674202A (en) * | 1983-12-16 | 1987-06-23 | Warrington Inc. | Cross-country ski boot |
FR2595951A1 (en) * | 1986-03-19 | 1987-09-25 | Salomon Sa | Assembly consisting of a cross-country-skiing or ski-hiking boot and a device for retaining the front of this boot on a ski |
US4907353A (en) * | 1987-01-23 | 1990-03-13 | Tmc Corporation | Cross-country ski boot |
FR2682011A1 (en) * | 1991-10-03 | 1993-04-09 | Salomon Sa | SPORTSHOE, ESPECIALLY CROSS-COUNTRY SKIING COMPRISING MEANS OF TORSIONAL STIFFNESS AND FLEXIBLE SOFTENING. |
DE4229039C2 (en) * | 1991-10-03 | 2001-07-26 | Salomon S A Metz Tessy Pringy | Sports shoe, in particular cross-country ski boot with torsion stiffening and flex-softening devices |
FR2817126A1 (en) * | 2000-11-29 | 2002-05-31 | Salomon Sa | SHOE SOLE, PARTICULARLY SPORTS, ONE OF ITS MANUFACTURING METHODS, AND FOOTWEAR COMPRISING SAID SOLE |
EP1210883A1 (en) * | 2000-11-29 | 2002-06-05 | Salomon S.A. | Sole, in particular for a sportsshoe ,method of making the same and shoe comprising these sole |
FR2823076A1 (en) * | 2001-04-09 | 2002-10-11 | Salomon Sa | Reinforcement for boots used with cross-country skis, comprises sandwich structure conferring longitudinal flexibility and torsional stiffness |
EP1249184A1 (en) * | 2001-04-09 | 2002-10-16 | Salomon S.A. | Reinforcement for sportshoe |
US6938362B2 (en) | 2001-04-09 | 2005-09-06 | Salomon S.A. | Reinforcement for a boot, in particular a sports boot, more specifically a cross-country ski boot, and a boot having such a reinforcement |
DE102004004317A1 (en) * | 2004-01-28 | 2005-08-11 | Rottefella As | Outsole for a sports shoe, in particular cross-country skiing or telemark shoe |
US7591085B2 (en) | 2004-01-28 | 2009-09-22 | Rottefella As | Outsole for a sports shoe, especially a cross-country ski boot or telemark boot |
US7887080B2 (en) | 2004-05-19 | 2011-02-15 | Rottefella As | Cross-country or telemark binding |
US9776065B2 (en) | 2005-01-10 | 2017-10-03 | Rottefella As | Ski, or similar device for sliding on snow, having a mounting aid for a binding |
WO2006085131A1 (en) | 2005-02-11 | 2006-08-17 | Rottefella As | Outsole for a cross-country ski boot or telemark boot and cross-country ski boot or telemark boot having such an outsole |
US8167331B2 (en) | 2008-04-25 | 2012-05-01 | Rottefella As | Spring cartridge for ski binding |
WO2013058658A1 (en) * | 2011-10-17 | 2013-04-25 | Rottefella As | Outer sole for ski boot |
Also Published As
Publication number | Publication date |
---|---|
NO803490L (en) | 1981-05-21 |
IT7982554A0 (en) | 1979-11-20 |
IT1166283B (en) | 1987-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT DE FR SE |
|
17P | Request for examination filed |
Effective date: 19811119 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19850530 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BONSEMBIANTE, GIANNI |