PL311390A1 - Self-advancing roof supports - Google Patents

Self-advancing roof supports

Info

Publication number
PL311390A1
PL311390A1 PL31139095A PL31139095A PL311390A1 PL 311390 A1 PL311390 A1 PL 311390A1 PL 31139095 A PL31139095 A PL 31139095A PL 31139095 A PL31139095 A PL 31139095A PL 311390 A1 PL311390 A1 PL 311390A1
Authority
PL
Poland
Prior art keywords
self
roof supports
advancing roof
advancing
supports
Prior art date
Application number
PL31139095A
Inventor
Krystian Zajac
Jerzy Polok
Adam Nowakowski
Jozef Szafarczyk
Jan Sliwa
Original Assignee
Krystian Zajac
Jerzy Polok
Adam Nowakowski
Jozef Szafarczyk
Jan Sliwa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krystian Zajac, Jerzy Polok, Adam Nowakowski, Jozef Szafarczyk, Jan Sliwa filed Critical Krystian Zajac
Priority to PL31139095A priority Critical patent/PL311390A1/en
Publication of PL311390A1 publication Critical patent/PL311390A1/en

Links

PL31139095A 1995-11-14 1995-11-14 Self-advancing roof supports PL311390A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL31139095A PL311390A1 (en) 1995-11-14 1995-11-14 Self-advancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL31139095A PL311390A1 (en) 1995-11-14 1995-11-14 Self-advancing roof supports

Publications (1)

Publication Number Publication Date
PL311390A1 true PL311390A1 (en) 1997-05-26

Family

ID=20066277

Family Applications (1)

Application Number Title Priority Date Filing Date
PL31139095A PL311390A1 (en) 1995-11-14 1995-11-14 Self-advancing roof supports

Country Status (1)

Country Link
PL (1) PL311390A1 (en)

Similar Documents

Publication Publication Date Title
ZA96957B (en) Roof state arrangements
PL321700A1 (en) Hydraulic self-advancing roof supports
PL306924A1 (en) Mine roof supports
GB2302889B (en) Mine support
PL307537A1 (en) Self-advancing roof supports
PL311825A1 (en) Self-advancing roof supports
PL311390A1 (en) Self-advancing roof supports
PL56609Y1 (en) Self-advancing roof supports unit
GB2325477B (en) Roof structure
GB2305447B (en) Roof structure
PL305115A3 (en) Self-advancing roof supports
PL302697A1 (en) Self-advancing roof supports
PL308442A1 (en) Prop-type mining roof supports
PL311489A1 (en) Roof supports of self-advancing type
PL306871A1 (en) Three-sectional self-advancing roof supports
PL55052Y1 (en) Self-advancing roof supports
PL55045Y1 (en) Self-advancing roof supports
PL299601A1 (en) Self-advancing roof supports
PL297682A1 (en) Self-advancing roof supports
PL308031A1 (en) Longwall roof supporting arrangement
PL321972A1 (en) Self-advancing roof supports
PL320896A1 (en) Self-advancing roof supports
PL102081U1 (en) Self-advancing roof supports shifter
PL310641A1 (en) Lemniscate-type roof supports
PL306872A1 (en) Roof supports