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FR2551382A1 Expired / Lapsed FR ⏱️ 0.0 years remaining

METHOD AND DEVICE FOR SURFACING AN OPTICAL LENS

Assignee: EssilorLuxottica SA
•
Filing: 1983-09-02
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Granted: —
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Expires: 2003-09-02
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Abstract

Abstract Translated from French IL S'AGIT DE PLAQUER, CONTRE UN OUTIL DE SURFACAGE 10 MONTE ROTATIF, LA LENTILLE OPTIQUE 11 A SURFACER. SUIVANT L'INVENTION, LE DISPOSITIF D'APPLICATION 16 MIS EN OEUVRE A CET EFFET COMPREND, POUR LOGEMENT DE LA LENTILLE 11, UNE CHAMBRE EN CLOCHE 19, QUI, PAR UNE CANALISATION 20, EST SUSCEPTIBLE D'ETRE RELIEE A UNE SOURCE DE FLUIDE HYDRAULIQUE SOUS PRESSION, POUR CREATION, D'UNE PART D'UN COUSSIN HYDRAULIQUE ENTRE SON FOND 21 ET LA LENTILLE 11, ET, D'AUTRE PART, D'UN FILM HYDRAULIQUE A LA PERIPHERIE DE CELLE-CI, EN SORTE QUE LA LENTILLE 11 EST LIBRE DE TOURNER SUR ELLE-MEME DANS CETTE CHAMBRE EN CLOCHE 19. APPLICATION, NOTAMMENT, AUX LENTILLES OPTIQUES DESTINEES A L'EQUIPEMENT DE QUELCONQUES INSTRUMENTS D'OPTIQUE. THIS IS PLACING, AGAINST A ROTARY MOUNTED SURFACING TOOL 10, THE OPTICAL LENS 11 TO BE SURFACED. FOLLOWING THE INVENTION, THE APPLICATION DEVICE 16 IMPLEMENTED FOR THIS EFFECT INCLUDES, FOR HOUSING THE LENS 11, A BELL CHAMBER 19, WHICH, BY A CHANNEL 20, IS LIKELY TO BE CONNECTED TO A SOURCE OF FLUID HYDRAULIC UNDER PRESSURE, FOR CREATION, ON THE ONE PART OF A HYDRAULIC CUSHION BETWEEN ITS BOTTOM 21 AND THE LENS 11, AND, ON THE OTHER HAND, OF A HYDRAULIC FILM AT THE PERIPHERY OF IT, SO THAT THE LENS 11 IS FREE TO ROTATE ON ITSELF IN THIS CLOCHE CHAMBER 19. APPLICATION, IN PARTICULAR, TO OPTICAL LENSES INTENDED FOR THE EQUIPMENT OF ANY OPTICAL INSTRUMENTS.

Inventors

  • 👤 Gerard Lombard

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-31 05:06
CPC Classifications
B; B24; B24B; B24B13/00; B24B13/005; B24B13/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE1041832B Cited
FR1266921A Cited
US3889426A Cited
DE3027445A1 Cited

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