Self-warming footwear
AssigneeUltimate Warmth, LLC
InventorDeborah Eden Wolfe
Life of this patent
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Abstract
A toe cap structured and arranged to accommodate toes and a portion of an instep of a wearer and to passively warm the toes and portion of the instep, the toe cap including a first portion having plural layers of a first material (e.g., Mylar®, biaxially-oriented polyethylene terephthalate (BoPET), and combinations thereof) and a second portion having plural layers of the first material and fixedly attached to the first portion, such that an opening for accommodating the wearer's toes and portion of the instep is formed. In some applications the toe cap may also include a second material that is encapsulated between the plural layers of the first portion and/or between the plural layers of the second portion.
Claims10
A self-warming garment, comprising:
- a first portion comprising plural layers of a first material and a second material encapsulated between the plural layers of the first portion, wherein the second material comprises an insulating material having a thermal conductivity of about 23 mW/m-K at room temperature and an operating temperature between about −200° C. and about 125° C. with 160° C. peaks;
- a second portion comprising plural layers of the first material and fixedly attached to the first portion, such that an opening for accommodating a wear's body part and portion is formed.
Dependencies are inferred from the claim text.