IP Library Granted Patent US 7,757,408
Granted Patent B2
US 7,757,408 · App. 11/231,434 · Granted Jul 20, 2010

Shoe having improved Opanka stitching

Assignee: Columbia Insurance Company
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Quick Facts
Patent No.
US 7,757,408
App. No.
11/231,434
Granted
Jul 20, 2010
Kind
B2
Abstract

The invention relates to a shoe and method for providing a shoe having an outsole with an outside surface, an upper, a liner with an inside surface, and a stitch extending from the outside surface through the upper to the inside surface, where the stitch is a sole securing mechanism for securing the outsole, upper, and liner together. The stitch secures the outsole, upper, and liner together without cement.

Claims (24)

1. A shoe, comprising:

an outsole having a raised lip extending around at least a portion of a periphery of the outsole;

an upper;

a liner with an inside surface; and

a stitch extending from said lip through said upper to said inside surface of the liner forming a single row of stitches on an outside surface of the shoe, said stitch being a sole securing mechanism for securing said outsole, said upper, and said liner together without chemical bonding.

2. The shoe according to claim 1 , wherein said stitch is a handsewn stitch.

3. The shoe according to claim 1 , wherein said stitch is an Opanka stitch.

4. The shoe according to claim 1 , further comprising a cushion between said liner and said outsole.

5. A shoe, comprising:

an outsole being a single unit having a raised lip extending around at least a portion of a periphery of the outsole;

an upper having a peripheral edge, said peripheral edge being a single unit;

a lining; and

a stitch extending from said lip through said upper to said lining, forming a single row of stitches on an outside surface of the shoe and being a sole mechanism for securing said outsole, said peripheral edge, said upper, and said lining together without chemical bonding.

6. The shoe according to claim 5 , further comprising an insert removably placed on said liner for cushioning a user's foot.

7. A method for providing a shoe, comprising the steps of:

providing an outsole having a raised lip extending around at least a portion of a periphery of the outsole;

providing an upper;

providing a liner with an inside surface; and

passing a stitch from the lip through the upper to the inside surface of the liner;

wherein said stitch forms a single row of stitches on an outside surface of the shoe and is a sole securing mechanism for securing the outsole, the upper, and the liner without chemical bonding.

8. The method according to claim 7 , further comprising the step of handsewing the stitch.

9. The method according to claim 7 , further comprising the step of inserting a cushion between the liner and outsole.

10. The method according to claim 7 , further comprising the step of providing an outsole of a single unit.

11. The method according to claim 7 , further comprising the step of providing a stitching of a single unit.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 20, 2005
From: MCCLASKIE, THOMAS E.
To: COLUMBIA INSURANCE COMPANY
Reel/Frame 017022/0698 →
Continuity (1)
Related Publication 20070062064A1 · Mar 22, 2007