PL284461A1 - Method of supporting roofs in longwall mine workings - Google Patents

Method of supporting roofs in longwall mine workings

Info

Publication number
PL284461A1
PL284461A1 PL28446190A PL28446190A PL284461A1 PL 284461 A1 PL284461 A1 PL 284461A1 PL 28446190 A PL28446190 A PL 28446190A PL 28446190 A PL28446190 A PL 28446190A PL 284461 A1 PL284461 A1 PL 284461A1
Authority
PL
Poland
Prior art keywords
mine workings
longwall mine
supporting roofs
roofs
supporting
Prior art date
Application number
PL28446190A
Inventor
Wojciech Swarbula
Zbigniew Kochan
Jozef Kaminski
Jan Wesolowski
Krystian Lipinski
Stanislaw Strojek
Antoni Mastej
Original Assignee
Rozbark Kopalnia Wegla Kamienn
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 Rozbark Kopalnia Wegla Kamienn filed Critical Rozbark Kopalnia Wegla Kamienn
Priority to PL28446190A priority Critical patent/PL284461A1/en
Publication of PL284461A1 publication Critical patent/PL284461A1/en

Links

PL28446190A 1990-03-26 1990-03-26 Method of supporting roofs in longwall mine workings PL284461A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL28446190A PL284461A1 (en) 1990-03-26 1990-03-26 Method of supporting roofs in longwall mine workings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL28446190A PL284461A1 (en) 1990-03-26 1990-03-26 Method of supporting roofs in longwall mine workings

Publications (1)

Publication Number Publication Date
PL284461A1 true PL284461A1 (en) 1991-10-07

Family

ID=20050721

Family Applications (1)

Application Number Title Priority Date Filing Date
PL28446190A PL284461A1 (en) 1990-03-26 1990-03-26 Method of supporting roofs in longwall mine workings

Country Status (1)

Country Link
PL (1) PL284461A1 (en)

Similar Documents

Publication Publication Date Title
RU1833474C (en) Arch support of underground horizontal mine workings
PL295674A1 (en) Roof supporting system for mine workings and method of supporting roofs of mine workings
GB8701249D0 (en) Mine haulage method
PL313687A1 (en) Roof support arrangement for longwall workings in vicinity of their crossings with galleries
GB2186607B (en) Supporting underground workings
GB2214963B (en) Mine roof supports
HUT61381A (en) Supporting unit suitable for building underground holes, mine, tunnel and similar
GB2220693B (en) Improvements in mine roof supports
ZA878494B (en) Mobile support frame unit for underground mine workings
ZA85238B (en) Improvements in mobile support assemblies for underground mine workings
PL284461A1 (en) Method of supporting roofs in longwall mine workings
PL250634A1 (en) Apparatus for placing units of self-advancing hydraulic roof supports in underground mine workings in particular longwall workings
GB2193522B (en) Support unit for underground coalface support structure
GB8707842D0 (en) Mine/tunnel roof supports
PL261116A1 (en) Protective unit for longwall workings employing self-advancing roof supports
GB9014178D0 (en) Mine roof supports
GB2148370B (en) Mine roof support advance rams
PL276080A1 (en) Method of setting up longwall self-advancing roof supports
PL310060A1 (en) Self-propelled carrier for self-advancing roof supports used in longwall workings
PL274335A1 (en) Method of supporting roofs of longwall mine workings,in particular those of short unitary advancement distance and variable length
GB8806646D0 (en) Lemniscate mining supports
PL288132A1 (en) Shield-type self-advancing roof supports and method of advancing them
PL295738A1 (en) Self-advancing longwall roof supports
GB2220022B (en) Mine roof support
PL53892Y1 (en) Roof support made of i-shapes for crossing of mine workings