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Priority to ES1971174032UpriorityCriticalpatent/ES174032Y/en
Publication of ES174032UpublicationCriticalpatent/ES174032U/en
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Publication of ES174032YpublicationCriticalpatent/ES174032Y/en
Improved structure for inflatable boats, which is characterized because inside the tube that forms the boat, and at the same time constitutes the main float element, is a sheet, which welded in its points, creates a camera that once swollen to equal pressure that the tube float, originates a smaller tube, hidden from view, located inside it, and with which has in common the wall that extends between the two points of welding, smaller tube that offers a greater volume than half of the one with the outer tube, and whose wall they have in common, is located in the part of the recayente inside the boat, this second tube, inside, constitutes a safety float device, in the event that a puncture or blowout of the chamber or outer tube, producing its unexpected deflation. (Machine-translation by Google Translate, not legally binding)
ES1971174032U1971-11-091971-11-09
PERFECTED STRUCTURE FOR INFLATABLE BOATS.
ExpiredES174032Y
(en)
Process of manufacturing of inflatable elements and, in particular, sides of vessels and similar. (Machine-translation by Google Translate, not legally binding)