Device for wrapping bodies, in particular bales of harvested material
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United States of America Patent
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Jun 27, 2006
Grant Date -
May 15, 2003
app pub date -
Nov 8, 2002
filing date -
Nov 9, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for wrapping harvested crop material into bales wherein the wrapping material web is drawn off from a wrapping media supply which rotates about a vertical axis while, at the same time, the bale rotates about a horizontal axis. A sensor is provided which signals a tear in the wrapping media web or the absence of material media. The sensor may be optical ultrasonic or sense electromagnetic radiations of different frequency ranges, as appropriate for the media of which the wrapping media involved. A position sensor is provided which activates an evaluation of signals from the sensor that a signal is produced when the web tears or is absent.
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