Shoe sole and method of making same

• US 2,772,196 A
• Filed: 05/21/1954
• Issued: 11/27/1956
• Est. Priority Date: 05/21/1954
• Status: Expired due to Term

• Current Assignee: Robert W. Pooley
• Original Assignee: Robert W. Pooley
• Inventors: Pooley, Robert W.
• Application Number:
  US03/431,479
• Time in Patent Office: 921 Days
• US Class Current: 428/187
• CPC Class Codes: A43B 13/12 Soles with several layers of different materials
• CPC Class Codes: B29D 35/142 Soles
• CPC Class Codes: B32B 27/00 Layered products comprising a layer of synthetic resin fibrous or filamentary layer made of a synthetic resin B32B5/02; particulate layer made of a synthetic resin B32B5/16; foamed layer made of a synthetic resin B32B5/18
• CPC Class Codes: Y10T 156/1041 Subsequent to lamination
• CPC Class Codes: Y10T 156/1052 with cutting, punching, tearing or severing
• CPC Class Codes: Y10T 428/24736 Ornamental design or indicia
• CPC Class Codes: Y10T 428/249977 Specified thickness of void-containing component [absolute or relative], numerical cell dimension or density
• CPC Class Codes: Y10T 428/261 In terms of molecular thickness or light wave length
• CPC Class Codes: Y10T 428/27 Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]

Claims

1. A NEW ARTICLE OF MANUFACTURE COMPRISING A FLEXIBLE, RESILIENT LAMINATE OF A CLOSED-CELL, EXPANDED, VULCANIZED, FUSED MIXTURE OF A THERMOPLASTIC VINYL RESIN, A HIGHBOILING ORGANIC LIQUID PLASTICIZER THEREFOR AND A BUTADIENEACRYLONITRILE RUBBERY COPOLYMER, SAID LAMINATE COMPRISING A PLURALITY OF PARALLEL JUXTAPOSED DIFFERENTLY COLORED LAYRES OF SAID MIXTURE INTEGRALLY BONDED TOGETHER AT THEIR INTERFACES, SAID LAYERS FORMING SHARP STRAIGHT LINES OF DEMARCATION THEREBETWEEN AT EXPOSED SURFACES OF SAID LAMINATE TRANSVERSE TO SAID LAYERS, ALL OF SAID LAYERS HAVING A COMPRESSIVE RESISTANCE OF AT LEAST 6 POUNDS PER SQUARE INCH AND A DENSITY OF NOT OVER 15 POUNDS PER CUBIC FOOT.