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A - Human Necessities – 41 – D

Patent

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Details

A41D 13/012 (2006.01) B63C 9/08 (2006.01)

Patent

CA 2699541

A buoyant member comprising a sheet or shaped panel of flexible or pliable, mainly closed cell foam material for forming at least part of a garment to provide buoyancy therefor, wherein the foam material has a density less than water, and the sheet or shaped panel has a plurality of fold lines and a plurality of separated portions or "islands" of foam material provided or formed without removal or cutting of foam material, such as by high frequency welding techniques (such as ultrasonic welding action) so as to have the effect of making denser fold lines but the whole sheet more flexible than the buoyant foam material and to increase the overall flexibility of the sheet or shaped panel.

La présente invention concerne un élément flottant qui comprend une feuille ou panneau façonné de matériau alvéolaire flexible ou pliable, essentiellement à cellules fermées, pour former au moins une partie d'un vêtement pour lui permettre de flotter. Le matériau alvéolaire possède une densité inférieure à celle de l'eau et la feuille ou le panneau façonné possède une pluralité de lignes de pli et une pluralité de parties séparées ou = îlots = de matériau alvéolaire prévues ou formées sans élimination ou découpe du matériau alvéolaire, comme par l'utilisation de techniques de soudure à haute fréquence (telles qu'une action de soudure par ultrasons), afin de permettre la réalisation de lignes de pli plus denses, tout en rendant la feuille entière plus flexible que le matériau alvéolaire flottant, et afin de d'augmenter la flexibilité générale de la feuille ou du panneau façonné.

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