G - Physics – 02 – C
Patent
G - Physics
02
C
88/27
G02C 1/00 (2006.01) G02C 1/06 (2006.01) G02C 5/00 (2006.01)
Patent
CA 1200996
\ Abstract of the Disclosure In a spectacle frame made of plastic ma- terial, each lens of the spectacle is adapted to be held in a closed annular rim member by means of a bead which is fitted in an annular groove. The thickness of the rim member can be greatly reduced because the bead constitutes a closed annulus, which surrounds the rim member and has on at least one side of the rim member an inclined ramp surface. The annular groove is formed in each lens.
419179
Fetherstonhaugh & Co.
Schmied (a.) Silhouette-Modellbrillen Fabrikationsgesellschaft M
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