Footwear and its method of construction
First Claim
Patent Images
1. A method for construction of footwear comprising the steps of:
- providing an upper defining a volume for receiving a wearer'"'"'s foot, the upper having an open bottom;
providing a midsole having an upper surface enclosing the open bottom of the upper, an outer surface opposite to the upper surface, and an upstanding sidewall integrally molded with and around a periphery of the midsole;
attaching the upper to the midsole in a single stitching operation by stitching a thread along a peripheral portion of the upper and the sidewall of the midsole; and
attaching an outsole having a walking surface and an attachment surface opposite to the midsole, the outer surface of the midsole positioned adjacent to the opposed attachment surface of the outsole.
1 Assignment
0 Petitions
Accused Products
Abstract
Footwear and a method for its construction including the following features is provided. An upper which defines a volume for receiving a wearer'"'"'s foot. A midsole which has an inner surface, an outer surface opposite to the inner surface, and an upstanding sidewall around its periphery. Stitching, which attaches the upper to the midsole along a peripheral portion of the upper and the sidewall of the midsole. An outsole, which has a walking surface and an attachment surface opposite to the walking surface. The outer surface of the midsole adhered to the opposed surface of the outsole.
-
Citations
22 Claims
-
1. A method for construction of footwear comprising the steps of:
-
providing an upper defining a volume for receiving a wearer'"'"'s foot, the upper having an open bottom;
providing a midsole having an upper surface enclosing the open bottom of the upper, an outer surface opposite to the upper surface, and an upstanding sidewall integrally molded with and around a periphery of the midsole;
attaching the upper to the midsole in a single stitching operation by stitching a thread along a peripheral portion of the upper and the sidewall of the midsole; and
attaching an outsole having a walking surface and an attachment surface opposite to the midsole, the outer surface of the midsole positioned adjacent to the opposed attachment surface of the outsole. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 21)
forming a channel in the upstanding sidewall of the midsole, the channel extending from a peripheral edge of the midsole in a direction parallel to a plane of the inner surface of the midsole, the channel sized to receive the thread.
-
-
3. The method of claim 2 further comprising:
-
providing a cavity formed in at least a forward portion of the inner surface of the midsole; and
positioning resilient material within the cavity formed in the inner surface of the midsole.
-
-
4. The method of claim 1 further comprising:
-
providing at least one cavity in the outer surface of the midsole; and
positioning cushiony material within the cavity formed in the outer surface of the midsole.
-
-
5. The method of claim 4 wherein the cushiony material includes high density polyurethane.
-
6. The method of claim 1 further comprising:
-
providing at least one cut-out through the midsole;
positioning and maintaining cushiony material within the cut-out of the midsole.
-
-
7. The method of claim 6 wherein the cushiony material comprises woven material stitched to the midsole.
-
8. The method of claim 7 wherein the woven material is elastic.
-
9. The method of claim 6 wherein the cushiony material includes high density polyurethane.
-
10. The method of claim 1 wherein the midsole is molded to have a roughened outer surface.
-
11. The method of claim 1 wherein the outsole is a single unitary member.
-
21. The method of claim 1 wherein the outsole includes a front member and a separate heel member, the front member being attached to a front end of the outer surface of the midsole, the heel member being spaced from the front member and attached to a heel end of the outer surface of the midsole.
-
12. Footwear comprising:
-
an upper defining a volume for receiving a wearer'"'"'s foot and having an open bottom;
a midsole, having an upper surface enclosing the open bottom of the upper, an outer surface opposite to the upper surface, and an upstanding sidewall integrally molded with and around a periphery of the midsole;
a single stitching seam, attaching the upper to the midsole along a peripheral portion of the upper and the sidewall of the midsole; and
an outsole, having a walking surface and an attachment surface opposite to the walking surface, the outer surface of the midsole attached to the attachment surface of the outsole. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 22)
a channel in the upstanding sidewall of the midsole extending from a peripheral edge of the midsole in a direction parallel to a plane of the inner surface of the midsole, the channel sized to receive a thread.
-
-
14. The footwear of claim 12 further including:
resilient material, secured within a cavity formed in the inner surface of the midsole.
-
15. The footwear of claim 12 further including:
cushiony material, secured within a cavity formed in the outer surface of the midsole.
-
16. The footwear of claim 15 wherein the cushiony material includes high density polyurethane.
-
17. The footwear of claim 15 wherein the cavity formed in the outer surface of the midsole is a cut-out extending through the midsole.
-
18. The footwear of claim 17 wherein the cushiony material secured within the cut-out comprises woven material stitched to the midsole.
-
19. The footwear of claim 18 where in the woven material is elastic.
-
20. The footwear of claim 12 wherein the outsole is a single unitary member.
-
22. The footwear of claim 12 wherein the outsole includes a front member and a separate heel member, the front member being attached to a front end of the outer surface of the midsole, the heel member being spaced apart from the front member and attached to a heel end of the outer surface of the midsole.
Specification