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U.S. Department of Energy
Office of Scientific and Technical Information

Coal extrusion apparatus and process

Patent ·
OSTI ID:5751674
An improved extrusion apparatus and process are described for the preparation of a rod-like body from a coal-containing particulate mixture. Improvements are disclosed for depositing lubricant directly onto the outer surface of the forming body as it is passed into a die received over a discharge portion of the extruder barrel. Reductions in requisite power input to the extruder are thereby effectuated.
Assignee:
General Electric Co
Patent Number(s):
US 4191535
OSTI ID:
5751674
Country of Publication:
United States
Language:
English

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