CEN
CEN/TC 170/WG 3 - Spectacle frames
Spectacle frames
General Information
Status
Inactive
50
CEN
EN ISO 11380:1996(Main)
Optics and optical instruments - Ophthalmic optics - Formers (ISO 11380:1994)
Specifies the characteristics of formers which are used in edging machines to edge lenses designed for insertion into spectacle frames. Not applicable to separate formers required for supplementary treatment of lenses, for example facetting.
- Standard5 pagesEnglish languagesale 10% offe-Library read for1 day
CEN
EN ISO 11381:1996(Main)
Optics and optical instruments - Ophthalmic optics - Screw threads (ISO 11381:1994)
Specifies requirements for ISO metric screw threads for use with spectacle frames. Provision is made for screw threads of the following nominal sizes: S0,8 × 0,2, M1,0 × 0,25, M1,2 × 0,25, M1,4 × 0,3, M1,6 × 0,35 and M2,0 × 0,4, and for related taps and gauges (in accordance with ISO 529 and ISO 1502).
- Standard6 pagesEnglish languagesale 10% offe-Library read for1 day
CEN
EN ISO 9456:1996(Main)
Optics and optical instruments - Ophthalmic optics - Marking of spectacle frames (ISO 9456:1991)
Specification of criteria for the marking of spectacle frames.
- Standard6 pagesEnglish languagesale 10% offe-Library read for1 day
CEN
EN ISO 8624:1996(Main)
Optics and optical instruments - Ophthalmic optics - Measuring system for spectacle frames (ISO 8624:1991)
Specification of a uniform measuring system in order to avoid that spectacles are manufactured incorrectly.
- Standard5 pagesEnglish languagesale 10% offe-Library read for1 day
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