SNORKEL AND METHOD FOR MANUFACTURING THEREOF

Snorkel for underwater activities or swimming, comprising a tube consisting of a flexible portion carrying, at one of the ends thereof, a mouthpiece communicating with said flexible portion, whereas the opposite end continues with a tube portion more rigid than the flexible portion. According to the...

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Bibliographische Detailangaben
1. Verfasser: MAGGI, Marco Giovanni Mario
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:Snorkel for underwater activities or swimming, comprising a tube consisting of a flexible portion carrying, at one of the ends thereof, a mouthpiece communicating with said flexible portion, whereas the opposite end continues with a tube portion more rigid than the flexible portion. According to the invention at least the flexible portion is made in one piece with the more rigid portion, at least the flexible portion being made of two materials of which a first material is more rigid than the second material, said rigid material forming a framework extending between an outer envelope surface and an inner envelope surface, the envelope surfaces being inserted in one another and having substantially cylindrical shapes or shapes and coaxial to one another and the less rigid material forming a continuous elastic band extending for more 50% the total length of the flexible portion and more rigid portion of the tube together and, partially or completely, for the length of the flexible portion and partially or completely for the more rigid portion of the tube.