Vacuum insulation panel with improved braze seal-off and method for manufacturing same
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United States of America Patent
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Dec 9, 1997
Grant Date -
N/A
app pub date -
Jan 11, 1996
filing date -
Jan 11, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In the manufacture of vacuum insulation panels, it is necessary to prevent deformation and damage to the brazed seal-off provided to maintain internal vacuum. The invention provides seal-off port geometries which improve the integrity of the vacuum panel. Annular troughs are formed in the metal sheet around the seal-off port to provide improved strength and stability to the seal-off area and to permit movement to compensate for melt-back of the glass mat contained within the panel.
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Cited Art Landscape
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