Inflatable bladders for use in footwear and other articles of manufacture
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United States of America Patent
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Aug 22, 2017
Grant Date -
Mar 17, 2016
app pub date -
Nov 23, 2015
filing date -
Oct 12, 2010
priority date (Note) -
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Abstract
The present invention is a method for manufacturing inflatable bladders for use in articles of manufacture. The method includes the steps of providing a first polymer film, applying a curable release coating to the polymer film in a pattern that corresponds to the configuration of the inflatable bladder, curing the release coating to the first polymer film, providing a second polymer film with the first polymer film to form a layered element such that the release coating is disposed between the polymer films, positioning the layered element between two plies of material, applying heat and pressure to adhere the polymer films together except in the area where the release coating has been applied to form an inflatable compartment surrounded by a sealed perimeter, and removing the plies of material from the adhered first and second polymer films.
First Claim
Family
International Classification(s)
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- A43D:MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACT....
- A43B:CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOT....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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