Display case door assembly with vacuum panel
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United States of America Patent
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Aug 6, 2019
Grant Date -
Jun 1, 2017
app pub date -
Feb 10, 2017
filing date -
Feb 11, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A display case door assembly for a temperature-controlled storage device includes a frame defining an opening into the temperature-controlled storage device and a transparent unit coupled to the frame. The transparent unit includes a first vacuum pane, a second vacuum pane, 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 transparent unit. The transparent unit 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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Family
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