PL292185A1 - Self-advancing roof support for dog headings - Google Patents

Self-advancing roof support for dog headings

Info

Publication number
PL292185A1
PL292185A1 PL29218591A PL29218591A PL292185A1 PL 292185 A1 PL292185 A1 PL 292185A1 PL 29218591 A PL29218591 A PL 29218591A PL 29218591 A PL29218591 A PL 29218591A PL 292185 A1 PL292185 A1 PL 292185A1
Authority
PL
Poland
Prior art keywords
self
roof support
advancing roof
headings
dog
Prior art date
Application number
PL29218591A
Other versions
PL165961B1 (en
Inventor
Adolf Drewniak
Krzysztof Zajkowski
Marek Flak
Boguslaw Wojanowski
Andrzej Rymer
Henryk Zych
Original Assignee
Fazos Fabryka Zmechanizowanych
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 Fazos Fabryka Zmechanizowanych filed Critical Fazos Fabryka Zmechanizowanych
Priority to PL29218591A priority Critical patent/PL165961B1/en
Publication of PL292185A1 publication Critical patent/PL292185A1/en
Publication of PL165961B1 publication Critical patent/PL165961B1/en

Links

PL29218591A 1991-10-25 1991-10-25 Self-advancing roof support for dog headings PL165961B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29218591A PL165961B1 (en) 1991-10-25 1991-10-25 Self-advancing roof support for dog headings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29218591A PL165961B1 (en) 1991-10-25 1991-10-25 Self-advancing roof support for dog headings

Publications (2)

Publication Number Publication Date
PL292185A1 true PL292185A1 (en) 1993-05-04
PL165961B1 PL165961B1 (en) 1995-03-31

Family

ID=20055958

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29218591A PL165961B1 (en) 1991-10-25 1991-10-25 Self-advancing roof support for dog headings

Country Status (1)

Country Link
PL (1) PL165961B1 (en)

Also Published As

Publication number Publication date
PL165961B1 (en) 1995-03-31

Similar Documents

Publication Publication Date Title
GB2256214B (en) Mine ventilation structure
GB2258878B (en) Mine roof support system
GB2260558B (en) Mine roof supports
ZA918563B (en) Mine tunnel support systems
GB2243640B (en) A mine roof support
ZW17593A1 (en) Mine support system
PL292185A1 (en) Self-advancing roof support for dog headings
ZA92159B (en) Yieldable roof support system
PL284263A1 (en) Roof supports for longwall headings
GB9208900D0 (en) A mine roof support system
PL290979A1 (en) Stirrup for yeldable mine roof supports
PL292437A1 (en) Self-advancing roof supports
PL297115A1 (en) Mine roof support
PL289938A1 (en) Lemniscate type roof support
PL264015A2 (en) Rigid frame-type roof support arrangement for dog headings
GB9110558D0 (en) A mine support system
PL53496Y1 (en) SELF-ADVANCING mine ROOF SUPPORTS
PL290357A1 (en) Shield-type roof supports
PL289443A1 (en) Self-advancing longwall roof supports
PL53197Y1 (en) Self-advancing longwall roof supports
PL291649A1 (en) Filler feeding self-advancing roof supports
PL270602A1 (en) Roof support for dog heading crossings
EP0525343A3 (en) Support structure for turfing a roof
PL288149A1 (en) Stirrup for mine roof supports
PL54568Y1 (en) Mine roof support