Material sample preparation apparatus and method
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United States of America Patent
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Aug 16, 2005
Grant Date -
Oct 14, 2004
app pub date -
Apr 8, 2003
filing date -
Apr 8, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automated apparatus for preparing material samples includes a rotatable drum support assembly, a drum rotatably contacting the drum support assembly, a fan, and a powered drive mechanism. The drum includes a hollow main section and first and second hollow end sections attached to the main section. The first hollow end section includes a first end wall tapering to a first outer aperture. The second hollow end section includes a second end wall tapering to a second outer aperture. The fan is mounted approximate to the first outer aperture for establishing forced air flow through the drum toward the second outer aperture. The drive mechanism rotatably communicates with the drum support assembly for rotating the drum. The apparatus is useful for preparing samples such as paving materials for test such as the determination of specific gravity and absorption.
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