Cleaning or application device comprising a sponge body, and method for producing the same
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United States of America Patent
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Feb 3, 2004
Grant Date -
Apr 24, 2003
app pub date -
Aug 20, 2002
filing date -
Mar 7, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method for producing a cleaning or application sponge which is characterized by foaming a sponge body in a molding tool (11, 12) to the substantially final shape of the sponge. The outer surface of the sponge body has in at least some areas a solidified skin (13) that can be at least partially removed in a subsequent process step. The sponge body may also have a closed-cell structure that is partially revealed in a subsequent process step.
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