Patent ID: 6071185
Filing Date: 2000-06-06
Classification: B24D

Abstract:
An abrasive wheel, comprisingan annular support disk (2) havinga central longitudinal axis (11),an inner hub portion (10) andat least one annular flange (18; 18a; 18b; 18c,which is formed on the support disk (2) in a radially outer portion thereof related to the central longitudinal axis (11), andwhich has an outer surface (21; 21a; 21b; 21c) which extends radially to the central longitudinal axis (11); andan abrasive ring (1),which has front sides (3, 3'), andwhich is fixed to the support disk (2) coaxially to the central longitudinal axis (11), andwhich is provided with reinforcement layers (4, 4'; 4a, 4'a; 4b, 4'b; 4c, 4'c) on its front sides (3, 3'), the reinforcement layers turned towards each other with inner sideswhich, between the reinforcement layers (4, 4'; 4a, 4'a; 4b, 4'b; 4c, 4'c), comprises a layer of an abrasive agent (5) connected with the inner sides of the reinforcement layers (4, 4'; 4a, 4'a; 4b, 4'b; 4c, 4'c) andwhich radially extends over said annular flange; whereinthe inner side of one of said reinforcement layers (4; 4a; 4b; 4c) is fixed to said outer surface of said annular flange by means of an adhesive layer (22, 22a; 22b; 22c), said one reinforcement layer radially overlapping said outer surface (21; 21a; 21b; 21c) andwherein said inner hub portion is free from said reinforcement layers and said layer of an abrasive agent.