Cleaning material for molding die and method of cleaning therewith
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United States of America Patent
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Issued Date -
Aug 10, 2006
app pub date -
Sep 17, 2004
filing date -
Sep 29, 2003
priority date (Note) -
Abandoned
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Abstract
A mold cleaning material of sheet form having an upper side and a lower side and including at least two base sheets and a cleaning member enclosed between the two base sheets. The base sheet on the upper side or as an outermost layer of the mold cleaning material is a fibrous sheet having a porosity of 70% or more, and the base sheet on the lower side is a fibrous sheet having a porosity of 40% or less and/or a heat-resistant film.
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