Patent ID: 8191218

Claim:
A method of forming a welt within a single sheet of coverstock, the method comprising: providing a sheet of coverstock, said sheet having a front surface and a back surface; folding said sheet over upon itself such that a first portion of said back surface overlies a second portion of said back surface, creating a first foldline; providing a needle and sewing one or more stitches S 1 through said folded sheet, said one or more stitches S 1 located at a distance from said first foldline, creating an extended welt head; unfolding said sheet; folding said sheet over upon itself, around said extended welt head such that a first portion of said front surface overlies a second portion of said front surface, creating two overlying second foldlines; sewing one or more stitches S 2 through said folded sheet and through said extended welt head, said one or more stitches S 2 located at a distance from said second foldlines that is greater than the distance of said first stitches S 1 from said second overlying foldlines; removing selvage from said sheet by cutting said sheet along a line located between said second foldlines and said one or more stitches S 1 .