Procédé et dispositif de préparation de lentilles de lunettes en vue de leur montage sur la monture choisie par le porteur
| N° de brevet: |
EP1894673 (A1) |
| Date de publication: |
2008-03-05 |
| Inventeur(s): |
HADDADI AHMED [FR]; |
| Demandeur(s): |
ESSILOR INT [FR]; |
| Classification: |
B24B13/005;B24B9/14; |
| N° de demande: |
EP20070291020 20070817 |
| Numéro(s) de priorité: |
FR20060007574 20060829 |
A polishing apparatus includes a polishing jig (9) The polishing jig (9) includes an elastic balloon member (25), a fixture (26), and a fluid supply portion (27). The fixture (26) airtightly closes the rear opening portion of the balloon member (25). The fluid supply portion (27) supplies a fluid into a space formed by the fixture (26) and balloon member (25). The balloon member (25) has a cup shape constructed by a dome portion and a cylinder portion (25B) extending backward from the outer periphery of the dome portion. The fixture (26) fixes the opening portion of the cylinder portion (25B) of the balloon member (25).
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