Patent ID: 9421726
Filing Date: 2016-08-23
CPC Classification: B29D

Claim Text:
1. A method of making injection molded footwear with an upper skin having a predetermined thickness, comprising: a) providing a last; b) providing a mold having an internal cavity which is configured to receive said last with there being a space between said cavity and said last having a predetermined width which is greater than said predetermined thickness; c) placing a scrim over said last before said last is placed in said mold, said scrim being made from an elastically deformable material having a first thickness when not compressed and a second thickness when substantially compressed; d) the difference between said first and second thicknesses being approximately equal to said predetermined thickness; and e) infecting a fluid thermal plastic material between said mold and said last at a pressure between 300,000 and 400,000 pounds per square inch to compress said scrim to said second thickness.