Fluorescent lamp with protective assembly

H - Electricity – 01 – J

Patent

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H01J 61/02 (2006.01) H01J 17/18 (2012.01)

Patent

CA 2028990

A fluorescent lamp comprises a protective cover assembly comprising a protective tube preformed of a semi-rigid non-frangible transparent polymeric material and received over the glass tube with a clearance between the outer surface of the glass tube and the inner surface of the protective tube and extending lengthwise substantially coextensively with the glass tube and a collar preformed of a heat-shrinkable polymeric material received in overlapping relation over a portion of the protective sleeve at each end thereof and over the flange portion of the adjacent cap, the collar being heat-shrunk into sealed relation with the protective tube and the cap flange portion.

Cette invention concerne une lampe fluorescente munie d'un manchon de protection préformé à partir d'un polymère transparent, non cassant et semi-rigide et enfilé sur le tube de verre avec un jeu sensiblement égal sur toute la longueur de la lampe et d'une collerette préformée en polymère thermo-rétrécissable chevauchant une partie du manchon de protection, collerette étant scellé audit manchon et à la jupe de culot à broches de la lampe par rétrécissement thermique.

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