PL289662A1 - Mine roof supports of prop type - Google Patents

Mine roof supports of prop type

Info

Publication number
PL289662A1
PL289662A1 PL28966291A PL28966291A PL289662A1 PL 289662 A1 PL289662 A1 PL 289662A1 PL 28966291 A PL28966291 A PL 28966291A PL 28966291 A PL28966291 A PL 28966291A PL 289662 A1 PL289662 A1 PL 289662A1
Authority
PL
Poland
Prior art keywords
mine roof
roof supports
prop type
prop
type
Prior art date
Application number
PL28966291A
Other versions
PL164383B1 (en
Inventor
Marek Szygula
Hubert Szopka
Original Assignee
Ct Kt Maszyn Gorniczych Komag
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 Ct Kt Maszyn Gorniczych Komag filed Critical Ct Kt Maszyn Gorniczych Komag
Priority to PL28966291A priority Critical patent/PL164383B1/en
Publication of PL289662A1 publication Critical patent/PL289662A1/en
Publication of PL164383B1 publication Critical patent/PL164383B1/en

Links

PL28966291A 1991-03-27 1991-03-27 Mining support casing PL164383B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL28966291A PL164383B1 (en) 1991-03-27 1991-03-27 Mining support casing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL28966291A PL164383B1 (en) 1991-03-27 1991-03-27 Mining support casing

Publications (2)

Publication Number Publication Date
PL289662A1 true PL289662A1 (en) 1992-10-05
PL164383B1 PL164383B1 (en) 1994-07-29

Family

ID=20054192

Family Applications (1)

Application Number Title Priority Date Filing Date
PL28966291A PL164383B1 (en) 1991-03-27 1991-03-27 Mining support casing

Country Status (1)

Country Link
PL (1) PL164383B1 (en)

Also Published As

Publication number Publication date
PL164383B1 (en) 1994-07-29

Similar Documents

Publication Publication Date Title
GB2260558B (en) Mine roof supports
GB2231610B (en) Mine roof supports
GB2214963B (en) Mine roof supports
GB2235234B (en) Mine roof supports
GB2236788B (en) Mine roof supports
ZA933156B (en) Mine prop
PL289662A1 (en) Mine roof supports of prop type
GB9014178D0 (en) Mine roof supports
PL297435A1 (en) Yieldable mine roof supports
PL53496Y1 (en) SELF-ADVANCING mine ROOF SUPPORTS
PL289443A1 (en) Self-advancing longwall roof supports
PL53197Y1 (en) Self-advancing longwall roof supports
PL295738A1 (en) Self-advancing longwall roof supports
ZA936338B (en) Mine prop
PL292437A1 (en) Self-advancing roof supports
PL290368A1 (en) Shield-type roof supports with props
GB2243394B (en) Mine roof supports
ZA925256B (en) Mine prop
PL53803Y1 (en) Self-advancing roof supports
PL295066A1 (en) Self-advancing roof supports
ZA933762B (en) Yielding mine prop
PL284433A1 (en) Self-advancing roof supports
PL284303A1 (en) Lemniscate-type self-advancing roof supports
PL288068A1 (en) Self-advancing roof supports
PL287425A1 (en) Self-advancing roof supports