4. Mining or in situ disintegration of hard material
  5. Processes
  6. Forming blocks

Helmut Erwien

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Anchoring apparatus for a mining installation

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable
Patent

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Anchoring apparatus for anchoring a mining installation

Mining or in situ disintegration of hard material – Processes – Forming blocks
Patent

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Chain stripper devices and assemblies for mining machines

Endless belt power transmission systems or components – Cleaning device for belt – pulley – or guide roll
Patent

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Longwall mineral mining installation

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Stepper-type advance-causing means
Patent

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Profile ID: LFUS-PAI-P-6550

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