Method for manufacturing inflatable footwear or bladders for use in inflatable articles
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United States of America Patent
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Dec 13, 2016
Issued Date -
N/A
app pub date -
Sep 20, 2013
filing date -
Jul 1, 2005
priority date (Note) -
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Abstract
The present invention is a method for manufacturing inflatable articles, or bladders for inflatable articles, that is time-efficient, simple, inexpensive and permits the uninterrupted manufacture of numerous and even customized article or bladder configurations and sizes, without expensive configuration-specific, metal tooling. The method includes the steps of applying a barrier material to a side of a first film, providing a second film with the first film so that the barrier material is disposed between the first and second films, adhering the first film to the second film so that the films are sealed together in areas except where the barrier material has been applied to form at least one inflatable compartment and sealed peripheral edge, and cutting along the sealed peripheral edge to form an inflatable article or bladder for use in an article of manufacture. The barrier material may be a paint, ink, paper or surface treatment that effectively prevents the first film from adhering to the second. The inflatable article or bladder of the present invention may be used as or in athletic equipment, for example, including footwear.
First Claim
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- A63B:APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMM....
- 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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