Lance machine with flexible lance
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United States of America Patent
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-
Mar 14, 1995
Grant Date -
N/A
app pub date -
Nov 22, 1993
filing date -
Dec 16, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a lance device comprising a frame, a drum mounted rotatably on the frame, at least one hose arranged on the drum, containing means provided with a passage for containing the hose while lying on the drum, connecting means for connecting a source of liquid under high pressure to an end of the hose joined to the drum and drive means for driving the drum in rotation. The containing means comprise an endless flexible member and guide means therefor which guide the flexible member in a path from one side of the passage round the drum and lying thereagainst to the other side of the passage and therefrom at a distance from the drum in opposite direction back to the one side of the passage.
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