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US 2010/0144254 A1Published application
Support disc for expendable polishing pad
OwnerGuido Valentiniinventor
Life of this patent
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Abstract
A support disc (3) is described for expendable pad (4) for polishing machine (1), having a raised peripheral edge (12). Said disc (3) also provides with a self-centring lower central neck (7) suitable for being coupled with a central hole (8) of the pad (4).
Claims6
A support disc (3) for expendable pad (4) for polishing machine (1), comprising a raised peripheral edge (12).
Dependencies are inferred from the claim text.