PL320896A1 - Self-advancing roof supports - Google Patents

Self-advancing roof supports

Info

Publication number
PL320896A1
PL320896A1 PL32089697A PL32089697A PL320896A1 PL 320896 A1 PL320896 A1 PL 320896A1 PL 32089697 A PL32089697 A PL 32089697A PL 32089697 A PL32089697 A PL 32089697A PL 320896 A1 PL320896 A1 PL 320896A1
Authority
PL
Poland
Prior art keywords
self
roof supports
advancing roof
advancing
supports
Prior art date
Application number
PL32089697A
Inventor
Jan Sliwa
Michal Kwiatkowski
Jan Szlazak
Original Assignee
Becker Warkop Sp Z Oo
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 Becker Warkop Sp Z Oo filed Critical Becker Warkop Sp Z Oo
Priority to PL32089697A priority Critical patent/PL320896A1/en
Publication of PL320896A1 publication Critical patent/PL320896A1/en

Links

PL32089697A 1997-06-30 1997-06-30 Self-advancing roof supports PL320896A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL32089697A PL320896A1 (en) 1997-06-30 1997-06-30 Self-advancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL32089697A PL320896A1 (en) 1997-06-30 1997-06-30 Self-advancing roof supports

Publications (1)

Publication Number Publication Date
PL320896A1 true PL320896A1 (en) 1999-01-04

Family

ID=20070206

Family Applications (1)

Application Number Title Priority Date Filing Date
PL32089697A PL320896A1 (en) 1997-06-30 1997-06-30 Self-advancing roof supports

Country Status (1)

Country Link
PL (1) PL320896A1 (en)

Similar Documents

Publication Publication Date Title
GB2330597B (en) Yieldable mine roof support
PL321700A1 (en) Hydraulic self-advancing roof supports
PL342493A1 (en) Roof supports prop
GB2297348B (en) Mining roof support
GB2328910B (en) Roof arrangement comprising two roof parts
GB2330596B (en) Mine prop
ZA988351B (en) Roof supports
ZA984887B (en) Mine support prop
PL321972A1 (en) Self-advancing roof supports
PL320896A1 (en) Self-advancing roof supports
PL108260U1 (en) Self-advancing roof supports
GB2326437B (en) Roof covering
PL305115A3 (en) Self-advancing roof supports
PL302697A1 (en) Self-advancing roof supports
PL307537A1 (en) Self-advancing roof supports
PL311825A1 (en) Self-advancing roof supports
PL311390A1 (en) Self-advancing roof supports
PL315992A1 (en) Mining roof supports
ZA985591B (en) Mine prop
ZA984889B (en) Mine prop
GB9710076D0 (en) Roof structure
GB9706970D0 (en) Roof structure
PL56897Y3 (en) Mining roof supports
PL318473A1 (en) Shield-type longwall roof supports
PL56609Y1 (en) Self-advancing roof supports unit