Glass test tube having protective outer shield
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United States of America Patent
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Issued Date -
Oct 19, 2006
app pub date -
Apr 13, 2005
filing date -
Apr 13, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An improved glass test tube is provided with a protective shield on the test tube's outer surface which protects the test tube from accidental breakage. The protective shield may be of a color which indicates that it has breakage protection. In one embodiment, the protective shield is provided by plastic material which is coated or sprayed on the outer surface of the glass test tube. In another embodiment, the protective shield is provided by one or more layers of wrapped sheet material, such as polyester film. The improved glass test tube is particularly useful in automatic analyzers that measure erythrocyte sedimentation rate.
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