ABSORBER TUBE
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United States of America Patent
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Issued Date -
Nov 27, 2014
app pub date -
Sep 14, 2012
filing date -
Sep 15, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An absorber tube is provided that has a metal tube and a sleeve tube, which is made of glass and encloses the metal tube such that an annular space is formed between the metal tube and the sleeve tube. The annular space is evacuated and has at least one container filled with protective gas, where the container is a solder-free pressure container.
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