BE582604A -
Group of identical profiles, in the shape of a deep channel, to provide support in mines, more specifically to form annular or arched support frames in slaughter corridors
- Google Patents
Group of identical profiles, in the shape of a deep channel, to provide support in mines, more specifically to form annular or arched support frames in slaughter corridors
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Application filed by Bochumer Ges Fuer GrubenausbaufiledCriticalBochumer Ges Fuer Grubenausbau
Publication of BE582604ApublicationCriticalpatent/BE582604A/en
BE582604A1958-09-151959-09-11
Group of identical profiles, in the shape of a deep channel, to provide support in mines, more specifically to form annular or arched support frames in slaughter corridors
BE582604A
(en)
Group of identical profiles, in the shape of a deep channel, to provide support in mines, more specifically to form annular or arched support frames in slaughter corridors
Group of identical profiles, in the shape of a deep channel, to provide support in mines, more specifically to form annular or arched support frames in slaughter corridors
Group of identical profiles, in the shape of a deep channel, to provide support in mines, more specifically to form annular or arched support frames in slaughter corridors
Group of identical profiles in the shape of a deep channel to provide support for mine galleries or corridors, more specifically to form support frames or arches
Improvements made to pairs of profiles, in the shape of a deep channel with lateral edges, more especially for annular or curved support frames, with several segments, used in mines
Group of identical profiles in the shape of a deep channel to provide support for mine galleries or corridors, more specifically to form support frames or arches.