RETRACTABLE AND FLEXIBLE PLASTIC CONTAINER FOR LIQUIDS
First Claim
1. - A retractable and flexible plastic container for liquids with a neck portion for the insertion of a conveyer or a screwing cap, said container being a corrugated tube formed by a plurality of convolutions, which allow the retractility and the flexibility of the same tube, characterized in that the upper ring of every convolution is bigger than the lower one and the curvatures of the external point of the convolutions, point of greatest extension, have an external bulge which in the lower point of connection of the two rings forms a hinge, the curvatures of the internal point, point of settlement, are sharp like an engraving.
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Accused Products
Abstract
This invention relates to the structure of a corrugated tube which can be compressed and extended but also it can adapt to all the inclinations required by the user, being really retractable and flexible. This fact can be adopted for the production of a special urinal but also of a retractable bottle.
36 Citations
8 Claims
- 1. - A retractable and flexible plastic container for liquids with a neck portion for the insertion of a conveyer or a screwing cap, said container being a corrugated tube formed by a plurality of convolutions, which allow the retractility and the flexibility of the same tube, characterized in that the upper ring of every convolution is bigger than the lower one and the curvatures of the external point of the convolutions, point of greatest extension, have an external bulge which in the lower point of connection of the two rings forms a hinge, the curvatures of the internal point, point of settlement, are sharp like an engraving.
Specification