F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 17/04 (2006.01) A61C 19/00 (2006.01) F21V 17/10 (2006.01)
Patent
CA 2264302
A light filter for dental use having: a transparent planar member (20) coloured so as to filter-out visible radiation in the range of 400 nm to 520 nm, the range being that to which dental light-cured materials are sensitive; a base (22) of a magnetic material attached to the underside of the planar member (20); and an attachment device (36) having a shell (34) of a magnetic material containing a permanent magnet (30), the attachment device (36) being attached to the lens (16).
Ce filtre coloré à usage dentaire comporte un élément plan transparent (20) coloré de manière à filtrer le rayonnement visible dans une plage comprise entre 400 et 520 nm, cette plage étant celle à laquelle sont sensibles les substances dentaires photopolymérisées. Il comporte également une base (22) constituée d'un matériau magnétique rattachée à la face inférieure de l'élément plan (20) ainsi qu'un dispositif de fixation (36) constitué d'une coque de matériau magnétique contenant un aimant permanent (30), ce dispositif de fixation (36) étant attaché au hublot (16).
Cunningham Peter John
Leggo Raymond Abraham
LandOfFree
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