ABRASIVE DISC
First Claim
1. An abrasive disc which comprises:
- a disc-shaped laminate [1] comprising a layer of a nonwoven abrasive material [3], a layer of a reinforcing fabric [4] connected to one side of the layer of the nonwoven abrasive material, a central opening [5], an almost flat front surface and an almost flat back surface; and
a grinder-mounting resin portion [2], the grinder-mounting resin portion being formed integrally with the disc-shaped laminate [1] by insert-molding a resin at the peripheral portion of the central opening in the disc-shaped laminate [1].
1 Assignment
0 Petitions
Accused Products
Abstract
To provide an abrasive disc which has a small size in the thickness direction and, therefore, can grind objects easily even if they are narrow portions or side walls of grooves and which has a strength enough for resisting the force applied during grinding.
Means for Solution An abrasive disc which comprises a disc-shaped laminate comprising a layer of a nonwoven abrasive material, a layer of a reinforcing fabric connected to one side of the layer of the nonwoven abrasive material, a central opening, an almost flat front surface and an almost flat back surface; and a grinder-mounting resin portion, the grinder-mounting resin portion being formed integrally with the disc-shaped laminate by insert-molding a resin at the peripheral portion of the central opening in the disc-shaped laminate.
72 Citations
5 Claims
-
1. An abrasive disc which comprises:
-
a disc-shaped laminate [1] comprising a layer of a nonwoven abrasive material [3], a layer of a reinforcing fabric [4] connected to one side of the layer of the nonwoven abrasive material, a central opening [5], an almost flat front surface and an almost flat back surface; and a grinder-mounting resin portion [2], the grinder-mounting resin portion being formed integrally with the disc-shaped laminate [1] by insert-molding a resin at the peripheral portion of the central opening in the disc-shaped laminate [1]. - View Dependent Claims (2, 3, 4, 5)
-
Specification