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US 5,203,881 AGranted
Abrasive sheet and method
OwnerRonald C. Wiandinventor
Life of this patent
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Abstract
A perforated metal sheet including diamond particles brazedly attached.
Claims9
A method of manufacture of an abrasive sheet comprising the steps of:
- (a) providing a metal sheet substrate having a plurality of spaced apertures therethrough;
- (b) coating said sheet substrate with a mixture of a braze and a temporary binder;
- (c) applying a layer of grit particles onto the coating of step (b);
- and
- (d) heating the product of step (c) to drive off the binder and attach said grit particles to said metallic layer of said sheet substrate.
2 more elements
An abrasive sheet comprising:
- a metal sheet element having a plurality of apertures therethrough embedded in said backing substrate at the surface thereof;
- and
- an abrasive grit material brazedly attached to the metal surface on the outermost facing surface of said sheet element.
An abrasive sheet comprising:
- a backing substrate;
- a metal sheet element having a plurality of perforations therethrough and including a first side and a second side;
- an abrasive grit material brazedly attached to said first side of said metal sheet for forming an abrasive sheet;
- a plurality of protrusions extending from said second side, said protrusions being attached to said backing substrate in a co-planar manner thereby forming a co-planar abrasive surface.
1 more element
Dependencies are inferred from the claim text.