Grooved-surface air conduit for injection molds
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United States of America Patent
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Sep 28, 2010
Grant Date -
Nov 9, 2006
app pub date -
May 9, 2006
filing date -
May 9, 2005
priority date (Note) -
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Abstract
An improved mold assembly for producing an article and for use with an air source is disclosed. The mold assembly is of the type including at least two mold portions configurable to form a mold having an interior mold cavity in the shape of said article, one or more of said mold portions each including an interior conduit for delivering air from said air source in use. The improvement comprises, for each of said one or more mold portions, a pair of mold parts each having an abutment surface, one of said abutment surfaces having defined therein a groove. The pair of mold parts is disposed in an operative configuration whereat they define at least in part said each mold portion, whereat the abutment surfaces lie flush against one another and whereat the groove defines at least part of the interior conduit in said each mold portion.
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