PENETRATION DEVICE FOR DRIVING A TOOL, SUCH AS A SOIL PROBING OR SAMPLING TOOL, AND ASSEMBLIES OF SUCH A DEVICE, AND SUCH A TOOL
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United States of America Patent
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Issued Date -
Jul 21, 2011
app pub date -
Jan 19, 2011
filing date -
Jan 19, 2010
priority date (Note) -
Abandoned
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Abstract
A penetration device (1) for driving a tool (2), such as a soil probing or sampling tool, includes a cylindrical tube (3), a first piston (4) and a second piston (5), both fixedly arranged with a piston rod (6) and slidably displaceable through the cylindrical tube (3), and partitioning means (7) for forming a partition between a first chamber (8) and a second chamber (9). The first piston (4) and the second piston (5) and the tube (3) and the partitioning means (7) together define the first chamber (8) and the second chamber (9).
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