PL249360A2 - Method of protecting roof and axial breaches in longwall headings - Google Patents

Method of protecting roof and axial breaches in longwall headings

Info

Publication number
PL249360A2
PL249360A2 PL24936084A PL24936084A PL249360A2 PL 249360 A2 PL249360 A2 PL 249360A2 PL 24936084 A PL24936084 A PL 24936084A PL 24936084 A PL24936084 A PL 24936084A PL 249360 A2 PL249360 A2 PL 249360A2
Authority
PL
Poland
Prior art keywords
breaches
axial
protecting roof
longwall
headings
Prior art date
Application number
PL24936084A
Other versions
PL144398B1 (en
Inventor
Jozef Lojas
Lech Malara
Zenon Mrowiec
Jan Perek
Bohdan Sawka
Janusz Strzeminski
Kazimierz Twardokes
Original Assignee
Glowny Instytut Gornictwa
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 Glowny Instytut Gornictwa filed Critical Glowny Instytut Gornictwa
Priority to PL24936084A priority Critical patent/PL144398B1/en
Publication of PL249360A2 publication Critical patent/PL249360A2/en
Publication of PL144398B1 publication Critical patent/PL144398B1/en

Links

PL24936084A 1984-08-27 1984-08-27 Method of protecting roof and side wall breaches in longwall workings PL144398B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL24936084A PL144398B1 (en) 1984-08-27 1984-08-27 Method of protecting roof and side wall breaches in longwall workings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL24936084A PL144398B1 (en) 1984-08-27 1984-08-27 Method of protecting roof and side wall breaches in longwall workings

Publications (2)

Publication Number Publication Date
PL249360A2 true PL249360A2 (en) 1985-07-02
PL144398B1 PL144398B1 (en) 1988-05-31

Family

ID=20023209

Family Applications (1)

Application Number Title Priority Date Filing Date
PL24936084A PL144398B1 (en) 1984-08-27 1984-08-27 Method of protecting roof and side wall breaches in longwall workings

Country Status (1)

Country Link
PL (1) PL144398B1 (en)

Also Published As

Publication number Publication date
PL144398B1 (en) 1988-05-31

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