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US 4,236,327 AGranted
Welt
AssigneeJones & Vining, Incorporated
InventorsRobert D. Gorsche, Oscar H. Cloutier
Life of this patent
Estimating the term…
Abstract
A unit sole construction, including a sole body of molded, rubbery material, and a welt extending along the body, the welt having an exposed upper wall portion, and a tongue portion extending from the wall portion into the body, the tongue being embedded in the body to secure the welt to the body.
Claims13
A unit sole construction, comprising
- a sole body of molded, rubbery material, having a central top surface for receipt of an upper and a peripheral top surface for receipt of a welt, and
- a welt extending along the perimeter of said body, said welt comprising
- an exposed upper wall portion arranged to cover said peripheral top surface of said sole, and
- a tongue portion extending from said wall portion into said body,
- a tongue being embedded in said body so as to be wholly surrounded by said rubbery material to secure said welt thereto prior to attachment of said upper to said surface,
- said welt being free of encroachment onto said central top surface of said sole, so as to avoid reduction of bonding area between said upper and said sole, said welt being free of stitching to said upper.
3 more elements
A method of manufacturing a unit sole construction, said construction comprising
- a sole body of molded, rubbery material, having a central top surface for receipt of an upper and a peripheral top surface for receipt of a welt, and
- a welt extending along the perimeter of said body, said welt comprising
- an exposed upper wall portion arranged to cover said peripheral top surface of said sole, and
- a tongue portion extending from said wall portion into said body,
- said method comprising the steps of molding said body around said tongue so as to cause said tongue to be wholly surrounded by said rubbery material to secure said welt thereto prior to attachment of said upper to said surface, and
- said welt to be free of encroachment onto said central top surface of said sole, so as to avoid reduction of bonding area between said upper and said sole.
3 more elements
Dependencies are inferred from the claim text.