Patent ID: 8246424

Claim:
A polishing disc for a tool for the fine machining of optically active surfaces particularly on spectacle lenses, the polishing disc comprising a main body which has a center axis and on which there is fixed an intermediate layer which is softer than the main body and on which a polishing agent carrier rests; wherein the intermediate layer has, with respect to the center axis, a radial inner region of substantially constant axial thickness and an adjoining radial outer region having radial outer dimensions which increase from the main body towards the polishing agent carrier, so that elastic support of the polishing agent carrier by the intermediate layer in the radial outer region thereof decreases towards the outer edge of the polishing agent carrier, wherein the polishing agent carrier is provided with at least one reservoir opening for polishing agent in a central region, wherein the at least one opening in the polishing agent carrier is adjoined in the direction of the main body by a reservoir cutout in the intermediate layer, and wherein a diameter of the reservoir cutout in the intermediate layer increases from the opening in the polishing agent carrier towards the main body; said reservoir cutout having a closed end in proximity to or within said main body.