Oral appliance suitable for use as sports guard

Details Oral appliance suitable for use as sports guard Oral appliance suitable for use as sports guard

A - Human Necessities

63

B

A63B 71/10 (2006.01) A41D 13/05 (2006.01) A61C 5/14 (2006.01) A61C 7/08 (2006.01) A63B 71/08 (2006.01) B32B 27/08 (2006.01)

Patent

CA 2428601

A sports guard for fitting over the upper arch and teeth of a user is disclosed. The sports guard comprises broadly a base member of polyethylene and a layer of EVA encasing the polyethylene. The polyethylene and EVA show a surprising and unexpected affinity for each other. They are able to flex with each other and be heated and cooled without delaminating. This provides a solution to a longstanding problem in this art.

L'invention décrite dans le présent document concerne un protecteur buccal conçu pour s'adapter étroitement au palais et aux dents. Ce dispositif de protection sportif est formé, d'une façon générale, par un élément de base en polypropylène enduit d'une couche de copolymère d'acétate de vinyle-éthylène (EVA). Le polyéthylène et l'EVA ont une affinité surprenante l'un pour l'autre. Ils peuvent plier à l'unisson et être chauffés et refroidis sans danger de délaminage. Ces propriétés constituent une solution à un problème de longue date dans cette branche de la technique.

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