Method of forming evacuated insulation panels
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United States of America Patent
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-
Nov 27, 2001
Grant Date -
N/A
app pub date -
Jan 18, 1999
filing date -
Jan 19, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method for producing an evacuated insulation panel comprising the steps of enveloping an open celled (semi-)rigid insulating foam in a substantially gas impermeable flexible vessel, evacuating the whole and sealing, wherein the panel is compressed during or after evacuation and sealing to a thickness of 10 to 90% of its initial thickness prior to compression.
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