Drop box with thermal isolation
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United States of America Patent
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Sep 25, 2007
Grant Date -
Nov 16, 2006
app pub date -
May 13, 2005
filing date -
May 13, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A drop box for a rotational molding system includes a substantially rigid outer shell, a substantially rigid inner shell, configured to contain unmelted polymer material, and thermal insulating material, disposed between the inner and outer shells. Substantially rigid bridge material interconnects the inner and outer shells and forms part of the rigid structure thereof. The bridge material is configured to provide a thermal break between the inner and outer shells, to reduce heat transfer therebetween.
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