NIKE, Inc.
Method of manufacturing a bladder element with an impression of etched area of mold assembly and article having bladder element with impression

Abstract:

An article of footwear includes a sole assembly with a midsole and an outsole. The midsole includes a fluid-filled bladder element including a first polymeric sheet that has a surface with an impression. The fluid-filled bladder element has a sealable internal cavity that retains fluid. A first portion of the bladder element with the impression is exposed to view through one of the midsole, the outsole, or an upper. A second portion of the bladder element is blocked from view by said one of the midsole, the outsole, or the upper.