Abrasive sponge and process for production thereof
AssigneeEudorex S.R.L.
InventorAlfonso MONTEFUSCO
Life of this patent
Estimating the term…
Abstract
The present invention concerns an abrasive sponge (10) comprising a layer of spongy material (11) covered on at least one side, by a coating layer (13) for the removal of dirt, characterised in that inside said layer of spongy material (11), in the vicinity of the surface of the side covered with said coating layer (13) and in any case below such surface, a plurality of granules (12) of rigid material are present. The invention concerns also a process for the production of said abrasive sponge.
Claims20
1-15. (canceled)
16) A sponge (10) comprising a layer of spongy material (11), the layer of spongy material (11) comprising two sides, each side being provided with a respective surface, the layer of spongy material (11) being covered, on at least one side, by a coating layer (13) for the removal of dirt, wherein inside said layer of spongy material (11), in the vicinity of the surface of the side covered with said coating layer (13) and in any case below such surface, a plurality of granules (12) of rigid material are present.
32) A process for manufacturing a sponge (10), the process comprising the following steps:
- providing the sponge (10) with a layer of spongy material (11), the layer of spongy material (11) comprising two sides, each side being provided with a respective surface
- applying, inside the layer of spongy material (11), under the surface of at least one of the sides of the layer of spongy material (11), a plurality of drops of a polymeric material, the polymeric material being melt,
- waiting for the curing of said polymeric material,
- applying a layer of glue on the surface of said at least one of the sides of the layer of spongy material (11) under which said drops of a polymeric material have been applied,
- applying a coating layer above said layer of glue, and
- waiting for the curing/drying of said layer of glue.
Dependencies are inferred from the claim text.