Patterned coated abrasive for fine surface finishing
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United States of America Patent
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May 14, 1991
Grant Date -
N/A
app pub date -
May 5, 1989
filing date -
May 5, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Coated abrasive material for fine finishing applications including second fining ophthalmic application, having patterned surface coating of abrasive grains dispersed in radiation-cured adhesive binder. The patterned surface coating is defined by a plurality of formations of such abrasive/binder each having an inner bottom edge defining an area devoid of coated abrasive, a top edge defining a somewhat larger area devoid of coated abrasive and an inner wall connecting the top and bottom edges.
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