Ski boot liner
First Claim
1. An inner boot for a ski boot comprising wall portions that define the body of said inner boot wherein at least a lower portion of said inner boot which surrounds the foot of a skier is at least partially coated by a sealing coating of polyurethane, wherein said wall portions are made from a material that is mechanically compatible for adhesively receiving the polyurethane coating, wherein said wall portions are made from foam injected polyurethane, and wherein said polyurethane coating is of a greater density than the foam injected polyurethane wall portions.
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Accused Products
Abstract
An inner boot for a ski boot which has wall portions that define the body of the inner boot. The wall portions are made from an open cell foam material. A lower portion of the inner boot includes a sealing coating of polyurethane that seals the foot of a skier against moisture and humidity. A process for manufacturing the inner boot includes degreasing the inner boot, soaking the inner boot in a polyurethane solution, removing excess polyurethane and drying the inner boot.
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Citations
22 Claims
- 1. An inner boot for a ski boot comprising wall portions that define the body of said inner boot wherein at least a lower portion of said inner boot which surrounds the foot of a skier is at least partially coated by a sealing coating of polyurethane, wherein said wall portions are made from a material that is mechanically compatible for adhesively receiving the polyurethane coating, wherein said wall portions are made from foam injected polyurethane, and wherein said polyurethane coating is of a greater density than the foam injected polyurethane wall portions.
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4. A process for manufacturing a ski boot inner boot which comprises:
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(a) degreasing an inner boot by soaking said inner boot in a solvent bath; (b) drying the degreased inner boot; (c) soaking at least a portion of said inner boot in a polyurethane solution to coat said inner boot with polyurethane; (d) removing excess polyurethane solution from said inner boot; and (e) cool drying said inner boot.
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- 5. An inner boot for a ski boot comprising wall portions that define the body of the boot wherein said inner boot has an external surface made from an open cell, foam material, at least a lower portion of which is further coated with a moisture proof sealing layer.
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9. A process for manufacturing a ski boot inner boot which comprises:
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(a) applying a polyurethane solution to at least a portion of an inner boot; (b) removing excess polyurethane solution from said inner boot; and (c) drying said inner boot. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification