Shoe upper having an adhesive impregnated fabric strip stitched thereto for sole attached thereto
OwnerBarbara A. Stricklandinventor
Life of this patent
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Abstract
A footwear construction including an upper to which a sole is to be attached. The upper has a peripheral edge, having an inner surface and an outer surface. A heat activatable adhesive impregnated substrate strip stitched to the outer surface of the peripheral edge whereby when the adhesive is activated a sole can be bonded thereto. A method for adhering an upper to a sole including applying a heat activatable adhesive to a substrate, attaching at least a portion of the upper and activating the adhesive.
Claims21
A footwear construction which comprises:
- an upper to which a sole is to be attached, the upper having a peripheral edge, the edge having an inner surface and an outer surface;
- and
- a heat activatable adhesive impregnated substrate strip stitched to the outer surface of the peripheral edge whereby when the adhesive is activated a sole can be bonded thereto.
A method for adhering an upper to a sole comprising:
- applying a heat activatable adhesive to a substrate;
- attaching at least a portion of the substrate to at least a portion of the upper to form an attached substrate;
- activating the adhesive;
- and
- contacting the attached substrate with the sole.
A method for adhering an upper having peripheral edge to a sole, the sole having a primer or adhesive coated thereon, comprising:
- impregnating a heat activatable polyurethane adhesive into a polyester/olefin non-woven, the adhesive meeting or exceeding the SATRA TM409 standard;
- stitching at least a portion of the non-woven to the peripheral edge to form a stitched non-woven;
- activating the adhesive;
- and
- contacting the attached non-woven with the sole.
Dependencies are inferred from the claim text.