A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 11/10 (2006.01) A61F 11/08 (2006.01) A61B 19/00 (2006.01)
Patent
CA 2320738
An earplug including a foam body and a detectable insert completely encased by the foam body. The earplug is manufactured by forming a channel in the foam body and placing the detectable insert in the channel. The channel is formed by deforming the foam body using a punch. The foam body is made from a slow recovery foam which returns to its original shape thereby encapsulating the detectable insert within the foam body. In an alternative embodiment, the insert is projected into the foam body and the foam body recovers to encapsulate the insert.
L'invention concerne un bouchon d'oreille constitué d'un corps en mousse et d'une insertion détectable, entièrement recouverte par ce corps en mousse. On fabrique ce bouchon d'oreille en formant un passage dans ledit corps en mousse, puis en plaçant ladite insertion détectable dans ce passage, que l'on a ménagé en déformant le corps en mousse à l'aide d'un poinçon. Ce corps en mousse est fabriqué dans une mousse à réformation lente, capable de retrouver sa forme originelle et ainsi d'enrober ladite insertion détectable dans le corps en mousse. Dans un autre mode de réalisation, cette insertion est projetée dans le corps en mousse de sorte que ce dernier se reforme pour enrober l'insertion.
Cabot Safety Intermediate Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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