Abrasive cleaning balls and to methods and devices for manufacturing them
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United States of America Patent
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May 28, 1996
Grant Date -
N/A
app pub date -
Jun 20, 1994
filing date -
Jun 22, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An abrasive cleaning ball (1) is made of a mass of sponge rubber filled with abrasive grains (2) intimately mixed within the mass. The grains are constituted by short lengths of a wire made of an abrasive material that is polygonal in section, preferably square in section, and coated on its side surfaces with dried adhesive.
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