Offset mold twinning
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United States of America Patent
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Oct 5, 2010
Grant Date -
May 10, 2007
app pub date -
Nov 1, 2006
filing date -
Nov 4, 2005
priority date (Note) -
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Abstract
Thermoplastic parts are made of predominantly single unit thickness but with marginal areas of increased thickness by molding two parts in a common mold having overlapping mold portions. Two thicknesses of thermoplastic material are molded together in the areas of increased thickness at opposite ends of the common mold and the parts are separated from one another by trimming such that each part has an area of increased solid wall thickness and an area of reduced thickness.
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