Patent · US Expired

Device for consecutively supporting a drift

US4075856A · kind A · utility

2Cited by

2References

14Claims

0Family size

Assignee

Vereinigte Osterreichische Eisen- und Stahlwerke - Alpine Montan Aktiengesellschaft · AT

Inventors

Siegfried Sigott · Ferlach, AT
Alfred Zitz · Zeltweg, AT
Wilhelm Althaler · Wien, AT
Helmut Wlach · Zeltweg, AT

Key dates

Filing date	Oct 14, 1976
Grant date	Feb 28, 1978
Priority date	—
Expiry date	Oct 14, 1996

Classification

Technology area (CPC G)Physics
CPC primaryG01D2205/60
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Device for consecutively supporting a drift by means of caps and posts or props in dependence on face advancement, said device being designed for lifting and for pressing the caps to be positioned against the mine roof, characterized in that a breast frame is provided for being suspended to the positioned caps in a manner to be shiftable in direction of face advancement, lifting beams forming a support for the caps to be positioned being supported on said breast frame for being lifted in upward direction and a crane being guided on the breast frame for being shifted in direction of face advancement.

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