Chien-Kai Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A flip-flop includes a sole and a strap unit. The strap unit includes a thong portion, and first and second strap portions, and is made by the steps of: providing superposed first and second layers of warp threads; inserting a first weft thread through sheds formed in the first layer of warp threads so as to weave the first strap portion; inserting a second weft thread through sheds formed in the second layer of warp threads so as to weave the second strap portion; and inserting the first and second weft threads through sheds which are cooperatively formed by the superposed first and second layers of warp threads so as to weave the thong portion.
Abstract: A flip-flop includes a sole and a strap unit. The strap unit includes a thong portion, and first and second strap portions, and is made by the steps of: providing superposed first and second layers of warp threads; inserting a first weft thread through sheds formed in the first layer of warp threads so as to weave the first strap portion; inserting a second weft thread through sheds formed in the second layer of warp threads so as to weave the second strap portion; and inserting the first and second weft threads through sheds which are cooperatively formed by the superposed first and second layers of warp threads so as to weave the thong portion.
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