| Patent Number |
Title Of Patent |
Date Issued |
| 5310249 |
Method and apparatus for automatically controlling a mining machine |
May 10, 1994 |
| Mining apparatus is disclosed in which a cutting wheel supporting a plurality of roller-cutters rotates about a horizontal axis and is supported on a slewing boom for cutting a tunnel with a flat floor and roof and elliptical walls as it slews across a mining face. The slewing boom i |
| 5234257 |
Mobile mining machine having tilted swing axis and method |
August 10, 1993 |
| A mobile mining machine for cutting a tunnel in rock has a wheel-like cutterhead assembly supported by a pitch boom assembly that causes movement of the cutterhead assembly in the vertical plane. A swing boom assembly supports the pitch boom assembly and is supported by the main fram |
| 5205612 |
Transport apparatus and method of forming same |
April 27, 1993 |
| Mining apparatus in which a cutting wheel supporting a plurality of roller-cutters rotates about a horizontal axis and is supported on a slewing boom for cutting a tunnel with a flat floor and roof and elliptical walls as it slews across a mining face. The slewing boom is supported o |
| 4286604 |
Smoking materials |
September 1, 1981 |
| The invention is concerned with a tobacco substitute which is made by subjecting a strand of viscose fibres to a controlled pyrolysis until the organic residue contains at least 90% carbon by weight, and loading the carbon strand with ingredients for smoking. |
