AMENDED CLAIMS received by the International Bureau on 19 April 2023 (19.04.2023)

1. A tactile floor surface comprising one or more tactile profiles protruding from the floor surface, each tactile profile comprising: a first layer, and a second layer positioned over the first layer, wherein the first layer has a visibly distinguishable property such that, in use, when the second layer wears away, the visibly distinguishable property is revealed.

2. A tactile floor surface according to claim 1 , wherein the first layer of each tactile profile protrudes a first predetermined amount above the floor surface.

3. A tactile floor surface according to claim 2, wherein the first predetermined amount is such that each tactile profile is substantially detectable under foot.

4. A tactile floor surface according to claim 3, wherein the first predetermined amount is a distance of approximately 3mm above the floor surface.

5. A tactile floor surface according to any previous claim, wherein the visibly distinguishable property is a colour which is different from a colour of the second layer.

6. A tactile floor surface according to any previous claim, wherein either, or both, the first layer and the second layer comprise a polymer either with or without an aggregate.

7. A tactile floor surface according to claim 6, wherein the polymer comprises polyurethane.

8. A tactile floor surface according to claim 6 or claim 7, wherein the aggregate comprises glass beads, aluminium oxide, or quartz either individually or as a mix.

9. A tactile floor surface according to any previous claim, wherein the tactile floor surface is a tactile tile.

10. A tactile floor surface according to claim 9, wherein the tactile tile is a surface mountable tactile tile.

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11. A tactile floor surface according to any previous claim, wherein the one or more tactile profiles are blister profiles.

12. A tactile floor surface according to any previous claim, wherein the one or more tactile profiles are corduroy profiles.

13. A tactile floor surface according to any previous claim, wherein the one or more tactile profiles are guidance profiles.

14. A tactile floor surface according to any previous claim, wherein the one or more tactile profiles are configured to be used in conjunction with a segregated path comprising a foot path and a cycle track.

15. A tactile floor surface according to claim 14, wherein the one or more tactile profiles are configured to highlight the cycle track.

16. A tactile floor surface according to any previous claim, wherein the second layer of one or more of the one or more tactile profiles comprises glow-in-the-dark material.

17. A tactile floor surface according to claim 16, wherein the one or more tactile profiles comprising glow-in-the-dark material are arranged to indicate a pathway on the floor surface.

18. A tactile floor surface according to claim 16 or claim 17, wherein the one or more tactile profiles comprising the glow-in-the-dark material are arranged to indicate hazards such as a platform edge, a cycle route, or a change in height of a floor surface.

19. A tactile profile for use in a floor surface according to any of claims 1 to 18, the tactile profile arranged to protrude from a floor surface, said tactile profile comprising: a first layer, and a second layer positioned over the first layer, wherein the first layer has a visibly distinguishable property such that, in use, when the second layer wears away, the visibly distinguishable property is revealed.

20. A method of manufacturing a tactile floor surface comprising one or more tactile profiles protruding from the floor surface, each tactile profile comprising: a first layer, and

AMENDED SHEET (ARTICLE 19) a second layer positioned over the first layer, wherein the first layer has a visibly distinguishable property such that, in use, when the second layer wears away, the visibly distinguishable property is revealed, wherein the method comprises: forming a first layer, and forming a second layer; such that the second layer is positioned over the first layer.

21. A method of manufacturing a tactile floor surface according to claim 20, wherein the method comprises: using an open topped mould, the open topped mould comprising one or more cavities, each cavity shaped to correspond with a tactile profile of the one or more tactile profiles of the tactile floor surface, the method further comprising: partially filling the open topped mould with a first liquid mixture; after a predetermined period of time, filling the open topped mould with a second liquid mixture on top of the first liquid mixture, the predetermined period of time of a duration such that the second liquid mixture cross-links with the first liquid mixture during curing but such that the second liquid mixture does not overcome the surface resistance of the first liquid mixture, wherein the second liquid mixture, when cured, forms the first layer of the one or more tactile profiles, and the first liquid mixture, when cured, forms the second layer of the one or more tactile profiles; allowing the first liquid mixture and the second liquid mixture to cure thereby forming the tactile floor surface.

22. A method of manufacturing a tactile floor surface according to claim 21 , wherein the method further comprises filling the open topped mould with a first predetermined volume of the first liquid mixture and a second predetermined volume of the second liquid mixture such that the first layer of each resulting tactile profile protrudes by a first predetermined amount above the floor surface.

23. A method of manufacturing a tactile floor surface according to claim 21 or claim 22, wherein the method further comprises including a pigment in the second liquid mixture such that the resulting first layer is a colour which is different from a colour of the resulting second layer thereby providing the visibly distinguishable property.

AMENDED SHEET (ARTICLE 19) 59

24. A method of manufacturing a tactile floor surface according to any of claims 21 to 23, wherein the predetermined period of time is approximately 20 minutes.

25. A method of reinstating one or more worn tactile profiles protruding from a tactile floor surface to a pre-worn form using a mould, the mould comprising a plurality of cavities, each cavity shaped to correspond with a tactile profile in its pre-worn form, each cavity comprising an aperture through which a liquid mix can be transferred into the cavity, the method comprising: aligning the mould with the floor surface such that each worn tactile profile is located within a corresponding cavity of the mould; filling each cavity through an aperture with a liquid mix, the liquid mix configured to, when curing, adhere to the surface of the worn tactile profile thereby forming reinstated tactile profiles; removing the mould.

26. A method according to claim 25, wherein the method further comprises, before removing the mould, allowing the liquid mix to cure.

27. A method according to claim 25, wherein the method further comprises, before the liquid mix has cured, removing the mould.

28. A method according to any of claims 25 to 27, wherein the tactile floor surface in the pre-worn form comprises one or more tactile profiles protruding from the floor surface, each tactile profile comprising: a first layer, and a second layer positioned over the first layer, wherein the first layer has a visibly distinguishable property such that, in use, when the second layer wears away, the visibly distinguishable property is revealed.

29. A method according to claim 28 wherein the steps of: aligning the mould with the floor surface such that each worn tactile profile is located within a corresponding cavity of the mould; filling each cavity through an aperture with a liquid mix, the liquid mix configured to, when curing, adhere to the surface of the worn tactile profile thereby forming reinstated tactile profiles; and, removing the mould;

AMENDED SHEET (ARTICLE 19) 60 are undertaken when the second layer has worn away such that the visibly distinguishable property is revealed.

30. A method according to claim 28 or claim 29, wherein the step of filling each cavity substantially reinstates the second layer over the first layer.

31. A method according to any of claims 25 to 30, wherein the liquid mix comprises a polymer either with or without an aggregate.

32. A method according to claim 31, wherein the polymer comprises polyurethane.

33. A method according to claim 31 or claim 32, wherein the aggregate comprises glass beads, aluminium oxide, or quartz individually or as a mix.

34. A method according to any of claims 25 to 33, wherein the tactile floor surface is a tactile mat, a concrete paver, a ceramic, or a FRP/GRP tactile.

35. A method according to any of claims 25 to 34, wherein each aperture is located at substantially the deepest part of each cavity.

36. A method according to any of claims 25 to 35, wherein the method comprises an additional step of abrading each worn tactile profile before applying the mould to create a textured surface such that adhesion between the liquid mix and the worn tactile profiles is increased.

37. A method according to claim 36, wherein a grinding tool or a sanding tool is used to perform the step of abrading each worn tactile profile.

38. A method according to any of claims 25 to 37, wherein the method comprises an additional step of cleaning each worn tactile before applying the mould such that adhesion between the liquid mix and each worn tactile profile is increased.

39. A method according to claim 38, wherein the cleaning is performed using a solvent such that substantially no residue is left on the worn tactile profiles such that adhesion between the liquid mix and the worn tactile profiles is increased.

AMENDED SHEET (ARTICLE 19)

40. A method according to any of claims 25 to 39, wherein the step of filling each cavity through an aperture with the liquid mix is performed by directing the liquid mix though the aperture with an applicator tool.

41 . A mould for reinstating one or more worn tactile profiles protruding from a tactile floor surface to a pre-worn form, the mould comprising: a plurality of cavities, each cavity shaped to correspond with a tactile profile in its preworn form, each cavity comprising an aperture through which a liquid mix can be transferred into the cavity.

42. A mould for reinstating one or more tactile profiles according claim 41 , wherein each aperture is located at substantially the deepest part of each cavity.

43. A mould for reinstating one or more worn tactile profiles according to claim 41 or claim 42, wherein the mould comprises an elastomer.

44. Apparatus for preparing and sheltering a substrate during a process in which tactile tiles are adhered to the substrate, the apparatus comprising: a cover for covering an area of the substrate to which tactile tiles are to be adhered; heating means configured to heat the area of the substrate to which tactile tiles are to be adhered to reduce the risk of delamination.

45. Apparatus according to claim 44, wherein the apparatus is mobile such that the apparatus can be moved along a path to which tactile tiles are to be adhered.

46. Apparatus according to claim 45, wherein the apparatus is mobile by virtue of castor wheels fitted to a base of the apparatus.

47. Apparatus according to claim 45 or claim 46, wherein the apparatus comprises: a heating section in which the heating means is located; an adhering section in which tactile tiles are adhered along the path.

48. Apparatus according to claim 47, wherein: the heating means is configured to dry a first surface area of the path to which tactile tiles are to be adhered; and,

AMENDED SHEET (ARTICLE 19) the adhering section is dimensioned such that the available surface area to which tactile tiles can be adhered within the adhering section substantially corresponds with the first surface area.

49. Apparatus according to claim 47 or 48, wherein the heating section is positioned at a first end of the apparatus such that, when the apparatus is moved along the path with the first end located at the front of the apparatus with respect to direction of travel of the apparatus along the path, the heating means dries upcoming portions of the path to which tactile tiles are to be adhered.

50. Apparatus according to any of claims 44 to 49, wherein the apparatus further comprises a rolling means configured to apply pressure to tactile tiles that have been adhered to the substrate.

51. Apparatus according to claim 50 dependent on claim 49, wherein the rolling means is positioned at a second end of the apparatus, the second end opposite the first end such that, when the apparatus is moved along the path, the rolling means applies pressure to tactile tiles that have been adhered to the path.

52. Apparatus according to claim 51, wherein the rolling means is positioned at least 4 meters behind the adhering section with respect to the direction of travel.

53. Apparatus according to any of claims 44 to 52, wherein the apparatus comprises a support structure to support the cover.

54. Apparatus according to claim 53, wherein the support structure is of sufficient mass to resist displacement due to wind forces of up to approximately 50 mph.

55. Apparatus according to claim 53 or claim 54, wherein the support structure comprises a rigid material such as wood, metal, fiberglass, or expanded foam.

56. Apparatus according to claim 55, wherein the support structure comprises metal which is resistant to rusting.

57. Apparatus according to claim 56, wherein the support structure comprises either galvanised steel or aluminium.

AMENDED SHEET (ARTICLE 19) 63

58. Apparatus according to any of claims 53 to 57, wherein the cover is secured to the support structure such that the cover is taut.

59. Apparatus according to any of claims 53 to 58, wherein the cover comprises an overhang running around the perimeter of the base of the apparatus, the overhang in contact with the substrate around the perimeter of the apparatus to inhibit water ingress onto the area of the substrate to which tactile tiles are to be adhered.

60. Apparatus according to claim 59, wherein the overhang is weighted.

61. Apparatus according to claim 60, wherein the overhang has a pocket formed therein, the pocket running substantially around the perimeter of the base of the apparatus and containing a weighted mass for weighting the overhang.

62. Apparatus according to claim 61, wherein the weighted mass is an aggregate such as sand.

63. Apparatus according to claim 61 , wherein the weighted mass is a rod or chain made of metal, or wood, or glass reinforced polymer.

64. Apparatus according to any of claims 44 to 63, wherein the heating means is provided by a gas heater wherein gas is burned to produce heat.

65. Apparatus according to claim 64, wherein the gas heater comprises a multi-head gas torch, the multi-head gas torch surrounded by an insulating box.

66. Apparatus according to any of claims 44 to 65, wherein the heating means is provided by an infrared heater.

67. Apparatus according to any of claims 44 to 66, wherein the apparatus further comprises a storage section to store adhesive and tactile tiles which are to be adhered to the substrate.

68. Apparatus according to any of claims 44 to 67, wherein the cover comprises plastic, rubber, or canvas.

AMENDED SHEET (ARTICLE 19) 64

69. Apparatus according to any of claims 44 to 68, wherein the apparatus further comprises a mixing means configured to mix adhesive that is used to adhere tactile tiles to the substrate.

70. Apparatus according to claim 69, wherein the mixing means is configured to mix the adhesive for a predetermined amount of time such that the adhesive fully cures and crosslinks.

71. A method of installing tactile tiles using an apparatus in accordance with any of claims 44 to 70, the method comprising: heating the portions of the path to which tactile tiles are to be adhered; under the cover, adhering tactile tiles to the portions.

72. A method of installing tactile tiles according to claim 71, comprising: moving the apparatus a predetermined distance along the path to which tactile tiles are to be adhered whilst heating the path to dry upcoming portions of the path to which tactile tiles are to be adhered; adhering tactile tiles to the dried portions.

73. A method of installing tactile tiles according to claim 72, wherein the method further comprises moving the apparatus at a predetermined rate such that the upcoming portions of the path to which tactile tiles are to be adhered are sufficiently dry to adhere tactile tiles thereto.

74. A method of installing tactile tiles according to claim 72 or claim 73, wherein the method further comprises: moving the apparatus a predetermined distance along the path wherein the distance corresponds to a length of an adhering section of the apparatus in which tactile tiles are adhered along the path, such that tactile tiles can be installed along the path along the length of the adhering section.

75. A method of installing tactile tiles according to any of claims 72 to 74, wherein the method further comprises: before adhering the tactile tiles to the path, stopping movement of the apparatus such that the apparatus is substantially stationary whilst the tactile tiles are being adhered to the path.

AMENDED SHEET (ARTICLE 19) 65

76. A method of installing tactile tiles according to any of claims 72 to 75, comprising: sequentially repeating the steps of: moving the apparatus a predetermined distance along the path to which tactile tiles are to be adhered whilst heating the path to dry upcoming portions of the path to which tactile tiles are to be adhered, and adhering tactile tiles to the dried portions, such that a continuous stretch of tactile tiles is produced.

77. A method of installing tactile tiles according to any of claims 72 to 76, comprising moving the apparatus along a guide, the guide configured to prevent lateral movement of the apparatus relative to the path.

78. A tactile floor surface comprising one or more tactile profiles protruding from the floor surface, each tactile profile comprising: a first layer, and a second layer positioned over the first layer, wherein the first layer and second layer are visibly distinguishable from each other and the second layer is positioned relative to the first layer such that, in use, when the second layer wears away, the first layer becomes visible.

AMENDED SHEET (ARTICLE 19)