Percussion boring machine with run monitoring
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 7, 2000
Grant Date -
N/A
app pub date -
Dec 2, 1997
filing date -
Dec 4, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a percussion boring machine having run monitoring a measuring and transmitting unit and an above-ground receiver the pneumatically or hydraulically driven and controlled striking piston (3) reciprocates between the tip of the machine and a rear stop (8). In order to expose the measuring and transmitting unit as little as possible to the influence of the ram blows acting on the tip of the machine, it is arranged so that (when viewed in the direction of advance) it is in front of the rear stop.
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