Sheet-like structure with surface protrusions for providing spacing, grip-enhancing, draining elements and the like
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United States of America Patent
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Apr 6, 1999
Grant Date -
N/A
app pub date -
Sep 24, 1997
filing date -
Oct 15, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A sheet-like structure with surface protrusions for he provision of spacing elements, grip-enhancing elements, draining elements and the like, comprising an extruded sheet-like element which has, on at least one face, a plurality of peduncles which are formed monolithically with the sheet-like element during the extrusion thereof and have a solid transverse cross-section.
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