PL295066A1 - Self-advancing roof supports - Google Patents

Self-advancing roof supports

Info

Publication number
PL295066A1
PL295066A1 PL29506692A PL29506692A PL295066A1 PL 295066 A1 PL295066 A1 PL 295066A1 PL 29506692 A PL29506692 A PL 29506692A PL 29506692 A PL29506692 A PL 29506692A PL 295066 A1 PL295066 A1 PL 295066A1
Authority
PL
Poland
Prior art keywords
self
roof supports
advancing roof
advancing
supports
Prior art date
Application number
PL29506692A
Other versions
PL168154B1 (en
Inventor
Henryk Adamowicz
Original Assignee
Henryk Adamowicz
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 Henryk Adamowicz filed Critical Henryk Adamowicz
Priority to PL29506692A priority Critical patent/PL168154B1/en
Publication of PL295066A1 publication Critical patent/PL295066A1/en
Publication of PL168154B1 publication Critical patent/PL168154B1/en

Links

PL29506692A 1992-06-27 1992-06-27 Self-advancing roof supports PL168154B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29506692A PL168154B1 (en) 1992-06-27 1992-06-27 Self-advancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29506692A PL168154B1 (en) 1992-06-27 1992-06-27 Self-advancing roof supports

Publications (2)

Publication Number Publication Date
PL295066A1 true PL295066A1 (en) 1994-01-10
PL168154B1 PL168154B1 (en) 1996-01-31

Family

ID=20057914

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29506692A PL168154B1 (en) 1992-06-27 1992-06-27 Self-advancing roof supports

Country Status (1)

Country Link
PL (1) PL168154B1 (en)

Also Published As

Publication number Publication date
PL168154B1 (en) 1996-01-31

Similar Documents

Publication Publication Date Title
GB2258878B (en) Mine roof support system
GB2260558B (en) Mine roof supports
ZA912383B (en) Mine roof support
GB9014178D0 (en) Mine roof supports
PL297435A1 (en) Yieldable mine roof supports
PL295066A1 (en) Self-advancing roof supports
PL53803Y1 (en) Self-advancing roof supports
ZA933156B (en) Mine prop
PL297115A1 (en) Mine roof support
PL55045Y1 (en) Self-advancing roof supports
PL297682A1 (en) Self-advancing roof supports
PL55052Y1 (en) Self-advancing roof supports
PL299601A1 (en) Self-advancing roof supports
PL292437A1 (en) Self-advancing roof supports
PL284303A1 (en) Lemniscate-type self-advancing roof supports
PL284433A1 (en) Self-advancing roof supports
PL287425A1 (en) Self-advancing roof supports
PL288068A1 (en) Self-advancing roof supports
PL52904Y1 (en) Self-advancing roof supports
PL54568Y1 (en) Mine roof support
PL295738A1 (en) Self-advancing longwall roof supports
GB2243394B (en) Mine roof supports
PL296527A1 (en) Prop-type roof supports
PL302697A1 (en) Self-advancing roof supports
PL305115A3 (en) Self-advancing roof supports