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Three-dimensional cross-linked foam for uppers of shoesUSPTO Application #: 20080028635Title: Three-dimensional cross-linked foam for uppers of shoes Abstract: The present invention provides a three-dimensional cross-linked foam for uppers of shoes that comprises a cross-linked foam body having a shape corresponding to a last; at least one inner cavity structure formed in the cross-linked foam body, the inner cavity structure defined by an internally formed surface of the cross-linked foam body; and filler injected into the inner cavity structure. The cross-lined foam of the present invention can more effectively protect the feet and increase a fitting feeling and a supporting power without additional components added to the cross-linked foam. The cross-linked foam of the present invention may further have an air ventilation and waterproof function. (end of abstract) Agent: Birch Stewart Kolasch & Birch - Falls Church, VA, US Inventor: Jang Won Park USPTO Applicaton #: 20080028635 - Class: 03600300R (USPTO)
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