Polishing tool with several pressure zones

Details Polishing tool with several pressure zones Polishing tool with several pressure zones

2007-05-15

2007-05-15

Morgan, Eileen P. (Department: 3723)

Abrading

Machine

Rotary tool

C451S288000, C451S398000, C451S921000

Reexamination Certificate

active

11255798

ABSTRACT:
The invention refers to a polishing tool for optical lenses with at least one polishing pad adaptable at least partially to the shape of a lens surface of said lenses and drivable by means of a drive shaft, said polishing pad having a membrane, wherein said polishing pad can transmit a bearing force of said membrane at least in an orthogonal direction relative to a lens surface. Moreover, the polishing tool comprises a reinforcing member connectable to said membrane, said reinforcing member being dimensionally stable in a parallel direction relative to a surface of said membrane and being flexible and/or pliable in an orthogonal direction relative to the surface of said membrane, wherein at least one pressure pad with a pressure membrane is arranged within said polishing pad, wherein said pressure membrane can be made to bear and/or can be prestressed against said membrane or said reinforcing member in an indirect or in a direct manner.

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