Patent · US Active

Mining device

US7438365B2 · kind B2 · utility

1Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 2006
Grant dateOct 21, 2008
Priority date
Expiry dateAug 28, 2026

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21D9/1093
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A mining device for subsurface extraction of raw materials off rocks includes bracing means for the reversible bracing of the mining device in a hollow space, a frame, and tunneling means stationarily connected with the bracing means, whereby the frame is movable by the tunneling means in a predefined direction. A rotatable roller is arranged on the frame, at the circumference of which cutting tools and clearing devices are arranged such that a rectangular mining cross-section can be created and such that the mining device and also the frame of the mining device is movable into a mining tunnel created by these cutting tools.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.