ES145227U - A closure device for boots. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

A closure device for boats, characterized in that it is formed by three separate zones, the lower zone comprising an annular band having an outer surface provided with separate, peripheral groove groups. And an inner surface having a rounded edge shoulder and small vertical grooves located in the upper part of said lower area, distributed throughout the inner periphery of said lower ring, whose small grooves form means of attachment to the separable intermediate ring, by points uniformly distributed in the inner periphery of said lower ring, except in a part corresponding to a separating tab of the intermediate ring, the intermediate ring having a fin directed upwards and the upper part of said device being formed by a sealing cap carrying on its outer surface some peripheral grooves, except in the area contiguous with the separation flap of the intermediate ring, which are joined at intermediate points at peripheral points, said upper zone of the device having an inner sealing ring that forms a single piece with the cover, of smooth surface, and carrying the inner part facing the outer surface of the ring of the cover a peripheral rim of round edge, whereby when separating the fin of the intermediate ring the cutting of the inner ribs of the intermediate ring takes place, the top part of the lid then separating from the can . (Machine-translation by Google Translate, not legally binding)