EXTRACTION INSTALLATION FOR MINERAL EXTRACTION
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United States of America Patent
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Issued Date -
Oct 1, 2015
app pub date -
Nov 14, 2013
filing date -
Nov 16, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An extraction machine for an extraction installation is disclosed. The extraction installation may have a chain having a first chain strand section with a first end and a second chain strand section with a second end. The first and second chain ends may be connectable to the extraction machine for moving the extraction machine. The extraction machine may have a first chain mount configured to be connected to the first chain strand section. The extraction machine may also have a second chain mount configured to be connected to the second chain strand section. In addition, the extraction machine may have a first pre-tensioning device for building up a pre-tensioning force acting on the first chain mount such that a pulling force acts on the first chain strand section in the direction of the second chain mount.
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