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1. (WO2007010253) SHOE SOLE
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

Claims

1. A sole comprising at least one elongate element which is adapted to increase in rigidity when placed under tension, wherein the at least one elongate element is oriented longitudinally within the horizontal plane of the sole.

2. A sole as claimed in Claim 1, wherein the elongate element is adapted to become substantially rigid when placed under tension.

3. A sole as claimed in Claim 1 or Claim 2, wherein the elongate element is adapted to tauten in response to an increase in the longitudinal tension on the sole.

4. A sole as claimed in any of the previous Claims, wherein the elongate element is adapted to provide resistance to longitudinal extension.

5. A sole as claimed in Claim 4, wherein the resistance is maximised substantially towards the anterior of the sole .

6. A sole as claimed in any one of the previous Claims, wherein the sole comprises a plurality of elongate elements .

7. A sole as claimed in Claim 6, wherein the sole comprises five elongate elements.

8. A sole as claimed in Claimed β, wherein the sole comprises three elongate elements.

9. A sole as claimed in any of Claims 6 to 8, wherein the elongate elements are conjoined at one end.

10. A sole as claimed in Claim 9, wherein the elongate elements are conjoined at the posterior end.

11. A sole as claimed in any one of the previous Claims, wherein the elongate element extends from the centre of the heel (posterior) portion of the sole towards the base of the toe (anterior) portion of the sole.

12. A sole as claimed in any one of Claims 1 to 10, wherein the elongate element extends from a position corresponding to the anterior-medial aspect of the calcaneal tubercle towards a position anterior to the metatarsal heads .

13. A sole as claimed in any one of Claims 1 to 10, wherein the elongate element extends from the centre of the heel (posterior) portion of the sole towards the anterior midsection of the sole.

14. A sole as claimed in any one of the previous Claims, wherein the sole comprises an upper sole, a mid-sole and an outer sole.

15. A sole as claimed in any one of Claims 1 to 13, wherein the sole comprises a mid-sole and an outer sole.

16. A sole as claimed in either one of Claims 14 or 15, wherein the elongate element is provided at the mid-sole.

17. A sole as claimed in either one of Claims 14 or 15, wherein the elongate element is provided at the outer sole.

18. A sole as claimed in Claim 14, wherein the elongate element is provided at the upper sole.

19. A sole as claimed in any one of the previous Claims, wherein the elongate element can move independently of the surrounding structures of the sole.

20. A sole as claimed in any one of the previous Claims, wherein the elongate element is provided with two anchor points which affix the elongate element to the sole.

21. A sole as claimed in Claim 20, wherein the elongate element is provided with anchor points at the posterior and anterior ends .

22. A sole as claimed in Claim 20 or Claim 21, wherein the elongate element is provided with additional anchor points .

23. A sole as claimed in any one of Claims 1 to 18, wherein the elongate element is an integral part of the sole.

24. A sole as claimed in any one of the previous Claims, wherein the elongate element is formed of an inelastic material .

25. A sole as claimed in any one of Claims 1 to 23, wherein the elongate element is formed of a material with a low elastic limit.

26. A sole as claimed in any one of Claims 1 to 23, wherein the elongate element is formed of an elastic material which is near its elastic limit.

27. A sole as claimed in Claim 25 or Claim 26, wherein the elongate element is formed of rubber.

28. A sole as claimed in any one of the previous Claims, wherein the elongate element is formed of a material which is capable of withstanding a load of at least 115% of the body mass of the wearer.

29. A shoe comprising an upper and a sole wherein the sole comprises at least one elongate element adapted to increase in rigidity when placed under tension and wherein the elongate element is oriented longitudinally within the horizontal plane of the sole.

30. A shoe as claimed in claim 29, wherein the sole is as claimed in any one of claims 1 to 28.