EP 0727280 B1 19970917 - Apparatus for polishing spherical lenses
Title (en)
Apparatus for polishing spherical lenses
Title (de)
Vorrichtung zum Polieren sphärischer Linsenoberfläche
Title (fr)
Appareil pour polir des lentilles sphériques
Publication
Application
Priority
EP 95101961 A 19950214
Abstract (en)
[origin: EP0727280A1] The polishing appts. (32) is carried in a holder (31) at the end of a tool spindle (30) on a CNC machine tool (18). Another drive has two spindles (40,41) sepd. by a fixed distance (A) for bringing up the lens (L) in its holder (42) and a facing tool (50) respectively. The polishing material is applied on a film (34) pref. of polyurethane lining the concave surface of a carrier (33). The lens is held firmly by means of a special rubber diaphragm connected to a supply of compressed air.
IPC 1-7
IPC 8 full level
B24B 13/01 (2006.01); B24B 53/00 (2006.01)
CPC (source: EP)
B24B 13/01 (2013.01); B24B 53/00 (2013.01)
Designated contracting state (EPC)
CH DE ES FR GB IT LI
DOCDB simple family (publication)
EP 0727280 A1 19960821; EP 0727280 B1 19970917; DE 29520993 U1 19961107; DE 59500684 D1 19971023
DOCDB simple family (application)
EP 95101961 A 19950214; DE 29520993 U 19950214; DE 59500684 T 19950214