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US 2014/0272379 A1Published application
Process for foaming thermoplastic elastomers
AssigneeNIKE, Inc.
InventorsRichard L. Watkins, Hossein Baghdadi, Charles Edwards, Yihua Chang
Life of this patent
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Abstract
A foamed article is made by infusing the article of thermoplastic elastomer with a supercritical fluid, then removing the article from the supercritical fluid and either (i) immersing the article in a heated fluid or (ii) irradiating the article with infrared or microwave radiation.
Claims19
A method of foaming an article comprising a thermoplastic elastomer, comprising:
- infusing the article with a supercritical fluid;
- removing the article from the supercritical fluid and either
- (i) immersing the article in a heated fluid or
- (ii) irradiating the article with infrared or microwave radiation to make a foamed article.
1 more element
Dependencies are inferred from the claim text.