Insole construction for footwear
DCFirst Claim
1. An insole construction for footwear comprising:
- a base member;
an intermediate member formed of a soft foam and having an upper surface and a plurality of raised cushioning elements on said upper surface thereof; and
a flexible cover member surrounding said intermediate member to conform substantially to the shape of said upper surface and the plurality of raised cushioning elements thereof, said cover member extending beneath said base member, and said raised cushioning elements being of a height, size and spacing so as to be self-adjusting to the foot of the wearer to surround it and prevent it from slipping thereon;
said raised cushioning elements having a height of approximately 6 millimeters above the upper surface of said intermediate member and being substantially uniformly spaced on said upper surface at a spacing of approximately 10-30 millimeters.
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Abstract
An insole construction for footwear comprising a base member, an intermediate member formed of a soft foam and having a plurality of substantially uniformly spaced raised cushioning elements on the upper surface thereof, and a flexible cover member surrounding the intermediate member and extending beneath the base member. The intermediate member preferably is formed of a foam such as polyurethane foam having a density rating of approximately 60-90. The raised cushioning elements are of a height of approximately 6 millimeters above the upper surface of the intermediate member and are spaced approximately 10-30 millimeters from each other. The thickness of the intermediate member is approximately 6 millimeters.
45 Citations
16 Claims
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1. An insole construction for footwear comprising:
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a base member;
an intermediate member formed of a soft foam and having an upper surface and a plurality of raised cushioning elements on said upper surface thereof; and
a flexible cover member surrounding said intermediate member to conform substantially to the shape of said upper surface and the plurality of raised cushioning elements thereof, said cover member extending beneath said base member, and said raised cushioning elements being of a height, size and spacing so as to be self-adjusting to the foot of the wearer to surround it and prevent it from slipping thereon;
said raised cushioning elements having a height of approximately 6 millimeters above the upper surface of said intermediate member and being substantially uniformly spaced on said upper surface at a spacing of approximately 10-30 millimeters. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An insole construction for footwear comprising:
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a relatively flat, flexible base member;
an intermediate member formed of a soft foam, and having an upper surface and a plurality of raised cushioning elements substantially uniformly spaced on said upper surface thereof, said intermediate member having a thickness of approximately 6 millimeters, and said raised cushioning elements having a height of approximately 6 millimeters above the upper surface of said intermediate member and being of a size and spacing to be self-adjusting to the foot of the wearer to surround it and prevent it from slipping thereon; and
a flexible cover member surrounding said intermediate member to conform substantially to the shape of said upper surface and the plurality of raised cushioning elements thereof, said cover member extending beneath said base member. - View Dependent Claims (8, 9, 10, 11)
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12. An article of footwear, comprising:
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an outsole; and
an insole construction mounted on said outsole and comprising a base member, an intermediate member, and a cover member;
said intermediate member being formed of a soft foam and having an upper surface and a plurality of raised cushioning elements on said upper surface thereof; and
said cover member being flexible and surrounding said intermediate member to conform substantially to the shape of said upper surface and the plurality of raised cushioning elements thereof, said cover member extending beneath said base member, and said raised cushioning elements being of a height, size and spacing so as to be self-adjusting to the foot of the wearer to surround it and prevent it from slipping thereon;
said raised cushioning elements having a height of approximately 6 millimeters above the upper surface of said intermediate member and being substantially uniformly spaced on said upper surface at a spacing of approximately 10-30 millimeters.- View Dependent Claims (13, 14, 15, 16)
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Specification