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Individual
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Individual
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Priority to ES0170877UpriorityCriticalpatent/ES170877U/en
Publication of ES170877UpublicationCriticalpatent/ES170877U/en
An improved frame for polishing discs, characterized essentially by the fact of being constituted by two similar superficially coupled sleeves, formed by two punched circular crowns, possessing, respectively, twenty-eight teeth in their periphery and facing each other to force the grip of the teeth. elements that constitute the disc itself; each bushing having its center cut according to a hexagon and one of them with the sides of the hexagon slightly extended in fins which, refute, fix the respective position of both parts to each other; the hexagonal hole of the bushes having side-by-side dimensions corresponding to a pre-established diameter of a cylindrical shaft. (Machine-translation by Google Translate, not legally binding)
ES0170877U1971-07-151971-07-15An improved frame for polishing discs (Machine-translation by Google Translate, not legally binding)
PendingES170877U
(en)