Waterproof footwear and process for its manufacture.U.S. patent: 7,013,580 Issued: March 21, 2006 Inventor INVENTOR. One who invents or finds out something. 2. The patent laws of the United States authorize a patent to be issued to the original inventor; if the invention is suggested by another, he is not the inventor within the meaning of those laws; but in that : Luca Morlacchi Assigned: Nextec s.r.l. Abstract: An article of waterproof footwear is provided which contains a sole (1) joined to an insole (2) and to a welt welt n. 1. A ridge or bump on the skin caused by a lash or blow or sometimes by an allergic reaction. 2. See wheal. (3) which encloses the lower edge of an upper (4), the inner surface of which is lined by a preferably pref·er·a·ble adj. More desirable or worthy than another; preferred: Coffee is preferable to tea, I think. pref semi-permeable membrane (6). The lower edge of the membrane is glued glue n. 1. a. A strong liquid adhesive obtained by boiling collagenous animal parts such as bones, hides, and hooves into hard gelatin and then adding water. b. to a water-proof tape (7) joined to the insole (2). The welt (3) is preferably made in a single piece of plastic or rubber material with the sole (1). A process of manufacturing the waterproof footwear is also provided. |
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