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Sock with triple layer fabric in foot and method

  • US 4,341,096 A
  • Filed: 08/06/1980
  • Issued: 07/27/1982
  • Est. Priority Date: 08/06/1980
  • Status: Expired due to Term
First Claim
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1. In a sock including a leg portion knit of successive courses including a predetermined number of stitch loops forming wales in successive courses, and a foot portion knit integral with said leg, said foot portion including toe, heel, sole, and upper and lower instep areas with said toe area including a closure seam, the improvement wherein at least a substantial portion of said foot portion is provided with improved cushioning characteristics and comprises triple layer fabric including an inner layer, an intermediate layer, and an outer layer each including forward ends connected together by said toe portion closure seam and rear portions integrally knit with the remainder of the sock.

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