Finishing tool

Abstract

Finishing tool (10) for surface machining slab-like elements. The finishing tool (10) comprises a reusable base (12) and an abrasive component (14) releasably connected to said base (12) in order to be selectively replaced, wherein said abrasive component (14) is provided with an abrasive surface to perform smoothing, lapping and surface finish machining of slab-like elements, for example made of stone material, marble, granite, or ceramic, grès porcelain stoneware or suchlike, or similar materials.

1 . Finishing tool ( 10 ) for surface machining slab-like elements, characterized in that said tool ( 10 ) comprises a reusable base ( 12 ) and an abrasive component ( 14 ) releasably connected to said base ( 12 ) in order to be selectively replaced, wherein said base ( 12 ) comprises a support ( 32 ) configured to be temporarily and firmly attached to the machining machine to which said finishing tool ( 10 ) is able to be connected, and an elastic member ( 34 ) configured to allow at least one degree of freedom of movement to said abrasive component ( 14 ) with respect to said base ( 12 ), wherein said tool ( 10 ) comprises releasable attachment means ( 16 ) configured to attach the abrasive component ( 14 ) to the base ( 12 ) in a releasable manner. 
     
     
         2 . Finishing tool ( 10 ) as in  claim 1 , characterized in that said releasable attachment means ( 16 ) are configured to determine a releasable reciprocal coupling between the abrasive component ( 14 ) and the base ( 12 ), which is effective both in a direction (T) essentially orthogonal to a main interface plane (A) between the abrasive component ( 14 ) and the base ( 12 ), and also in a direction(S) tangential to said main interface plane (A). 
     
     
         3 . Finishing tool ( 10 ) as in  claim 1 , characterized in that said releasable attachment means ( 16 ) comprise base attachment means ( 18 ) present on, or associated with, the base ( 12 ) and component attachment counter-means ( 20 ) present on, or associated with, the abrasive component ( 14 ). 
     
     
         4 . Finishing tool ( 10 ) as in  claim 1 , characterized in that said releasable attachment means ( 16 ) comprise attachment means of the mechanical type. 
     
     
         5 . Finishing tool ( 10 ) as in  claim 3 , characterized in that the base attachment means ( 18 ) comprise a base mechanical gripping substrate ( 22 ) and the component attachment counter-means ( 20 ) comprise a component mechanical gripping substrate ( 24 ), said base mechanical gripping substrate ( 22 ) and component mechanical gripping substrate ( 24 ) being configured to determine a coordinated and reciprocal attachment for the purpose of the releasable coupling between the base ( 12 ) and the abrasive component ( 14 ), said base mechanical gripping substrate ( 22 ) and component mechanical gripping substrate ( 24 ) being firmly and stably glued to the base ( 12 ) and to the abrasive component ( 14 ), respectively, and in that said base mechanical gripping substrate ( 22 ) and component mechanical gripping substrate ( 24 ) each comprise a base layer with a planar conformation and a plurality of projecting gripping elements ( 26 ), essentially the same as each other, which between them define a regular alternation of solids and voids for the coupling of similar gripping elements ( 26 ), so that when said base mechanical gripping substrate ( 22 ) and said component mechanical gripping substrate ( 24 ) are reciprocally joined they lie on said main interface plane (A). 
     
     
         6 . Finishing tool ( 10 ) as in  claim 5 , characterized in that said projecting gripping elements ( 26 ) of the base mechanical gripping substrate ( 22 ) and of the component mechanical gripping substrate ( 24 ) are configured to determine a reciprocal male-male coupling or a reciprocal male-female coupling. 
     
     
         7 . Finishing tool ( 10 ) as in  claim 5 , characterized in that it comprises additional releasable attachment means ( 28 ) configured to releasably attach the support ( 32 ) to the elastic member ( 34 ). 
     
     
         8 . Finishing tool ( 10 ) as in  claim 7 , characterized in that said additional releasable attachment means ( 28 ) comprise support attachment means ( 29 ) present on, or associated with, said support ( 32 ) and elastic member attachment counter-means ( 30 ) present on, or associated with, said elastic member ( 34 ), and in that said support attachment means ( 29 ) can comprise an elastic member mechanical gripping substrate ( 42 ) and the support member attachment counter-means ( 30 ) comprise a support mechanical gripping substrate ( 44 ), wherein said support mechanical gripping substrate ( 42 ) and said elastic member mechanical gripping substrate ( 44 ) are firmly and stably glued to said support ( 32 ) and to said elastic member ( 34 ), respectively, and each comprises a plurality of gripping elements ( 26 ) and a base layer with a planar conformation, so that when they are reciprocally joined they lie on a secondary interface plane (B), parallel to said main interface plane (A). 
     
     
         9 . Finishing tool ( 10 ) as in  claim 7 , characterized in that said releasable attachment means ( 16 ) comprise attachment means of the chemical type and comprise at least one adhesive layer ( 50 ). 
     
     
         10 . Finishing tool ( 10 ) as in  claim 9 , characterized in that said layer ( 50 ) is made with a material that has a softening temperature lower than the softening temperature of said support ( 32 ) and of said elastic member ( 34 ), and in that said material is cyanoacrylate glue, possibly with the addition of particles of electrically conductive materials. 
     
     
         11 . Finishing tool ( 10 ) as in  claim 9 , characterized in that said layer ( 50 ) is interposed between said base ( 12 ) and said abrasive component ( 14 ), being applied to said base ( 12 ), in particular on a face of said elastic member ( 34 ) facing, during use, toward said abrasive component ( 14 ). 
     
     
         12 . Finishing tool ( 10 ) as in  claim 9 , characterized in that said releasable attachment means ( 16 ) comprise at least one additional adhesive layer ( 50 ′) interposed between said support ( 32 ) and said elastic member ( 34 ), wherein said additional layer ( 50 ′) is applied on said support ( 32 ), in particular on a face thereof that faces, during use, toward said elastic member ( 34 ). 
     
     
         13 . Finishing tool ( 10 ) as in  claim 12 , characterized in that said additional layer ( 50 ′) is made with a material that has a softening temperature lower than the softening temperature of said support ( 32 ) and of said elastic member ( 34 ), and in that said material is cyanoacrylate glue, possibly with the addition of particles of electrically conductive materials. 
     
     
         14 . Finishing tool ( 10 ) as in  claim 10 , characterized in that said layer ( 50 ) and/or said additional layer ( 50 ′) are configured to be subjected to heating methods in order to heat them up to said respective softening temperatures, for example equal to about 70° C., through emission of electromagnetic radiation, in order to determine the thermal degradation of the glue, so that the latter loses its adhesive properties.