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US 12,042,008 B2Granted
Laser etched article of footwear and related method
AssigneeNIKE, Inc.
InventorsCharles R. Edwards, Jeremy Gantz, Dervin A. James, Honam Ko, Adam Kohn, Harry Lam Pham, Eric S. Schindler, Yuanmin Wang
Life of this patent
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Abstract
A bladder includes a first polymeric film, a second polymeric film attached to the first polymeric film to form a chamber, and one or more grooves formed in an exterior surface of the chamber. In one configuration, the grooves are formed in the exterior surface of the chamber by subjecting the chamber to a laser-etching process.
Claims10
A bladder comprising:
- a first polymeric film including a first coating;
- a second polymeric film attached to the first polymeric film to form a chamber;
- and
- one or more depressions formed in an exterior surface of the bladder at one or more locations on at least one of the first polymeric film and the second polymeric film, the one or more depressions including i) a first depression having a first depth greater than a thickness of the first coating and ii) a second depression having a second depth less than the thickness of the first coating.
1 more element
Dependencies are inferred from the claim text.