Sandwich molding system with independent runner passages
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United States of America Patent
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Issued Date -
May 3, 2007
app pub date -
Nov 3, 2005
filing date -
Nov 3, 2005
priority date (Note) -
Abandoned
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Abstract
A method of sandwich molding employs independent runners for each of the first and second thermoplastic materials simplifying the construction of the mold and runner passages, facilitating use of hot runner systems and the like, and simplifying the balancing of flow in multiple cavity molds.
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