Piston means for piston-cylinder arrangements
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United States of America Patent
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May 20, 1980
Grant Date -
N/A
app pub date -
Sep 19, 1977
filing date -
Sep 24, 1976
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A piston-cylinder arrangement comprising a cylinder member and piston means mounted slideably therein, the piston means comprising a piston member and a packing member mounted on the piston member for movement therewith, wherein said packing member has first and second axially spaced radially outer surfaces dimensioned such that each contacts slidingly against said cylinder wall and wherein the piston means comprises a lubricant reservoir in communication with the space between said surfaces, which space is substantially closed by said cylinder wall.
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