Display case door assembly with tempered glass vacuum panel
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United States of America Patent
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Mar 26, 2019
Grant Date -
May 18, 2017
app pub date -
Nov 21, 2016
filing date -
Feb 11, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A display case door assembly for a temperature-controlled storage device includes an opening into the temperature-controlled storage device and a vacuum panel mounted within the opening. The vacuum panel includes a first vacuum pane of tempered glass, a second vacuum pane of tempered glass, and an evacuated gap between the first and second vacuum panes. The evacuated gap has a predetermined thickness within which a vacuum is drawn, thereby providing a thermal insulation effect for the vacuum panel. The vacuum panel further includes a plurality of spacers disposed within the evacuated gap and configured to maintain the predetermined thickness of the evacuated gap when the vacuum is drawn therein.
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