Solar heat collector
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United States of America Patent
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Aug 16, 2016
Issued Date -
N/A
app pub date -
Oct 3, 2013
filing date -
Apr 13, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
In a solar heat collector, a bottom plate and a side plate of a case which is opened in an upper surface are formed of a vacuum thermal insulation material in which a core material is enveloped by a skin and a vacuum is created in an interior of the skin, the skin is formed by welding together circumferential edges of two metal panels which are disposed to face each other with the core material sandwiched therebetween, a plurality of line grooves are formed in the metal panels, and the two metal panels are disposed so that sides thereof from which bottoms of the line grooves protrude are oriented inwards with the core material sandwiched therebetween.
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