Vacuum insulating double vessel and method for manufacturing the same
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United States of America Patent
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Issued Date -
Oct 20, 2005
app pub date -
Apr 15, 2004
filing date -
Apr 15, 2004
priority date (Note) -
Abandoned
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Abstract
The present invention provides a vacuum insulating double vessel having transparent slits and a method for manufacturing the same which can form transparent slits safely and simply without using any particular equipment and particular chemical and which can be mass-produced at a low cost. This vacuum insulating double vessel includes a vacuum insulating layer provided between an inner vessel and an outer vessel of the double vessel made of a transparent material, and metal films applied to the outer surface of the inner vessel and the inner surface of the outer vessel which face the vacuum insulating layer, and the vacuum insulating double vessel comprises strip-shaped metal film unapplied portions in a vessel height direction in the metal film applied portions, and a plurality of opening vestiges, on the outer vessel, which result from sealing a plurality of openings used for injecting and discharging chemical solutions for applying the metal films, and used as air passages.
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