PL246854A1 - Method of and apparatus for protecting work area and exit of longwall workings - Google Patents

Method of and apparatus for protecting work area and exit of longwall workings

Info

Publication number
PL246854A1
PL246854A1 PL24685484A PL24685484A PL246854A1 PL 246854 A1 PL246854 A1 PL 246854A1 PL 24685484 A PL24685484 A PL 24685484A PL 24685484 A PL24685484 A PL 24685484A PL 246854 A1 PL246854 A1 PL 246854A1
Authority
PL
Poland
Prior art keywords
exit
work area
protecting work
longwall workings
longwall
Prior art date
Application number
PL24685484A
Other versions
PL143256B1 (en
Inventor
Krystian Zajac
Jerzy Merecz
Boleslaw Gladysz
Original Assignee
Kopalnia Wegla Kamiennego Jast
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 Kopalnia Wegla Kamiennego Jast filed Critical Kopalnia Wegla Kamiennego Jast
Priority to PL24685484A priority Critical patent/PL143256B1/en
Publication of PL246854A1 publication Critical patent/PL246854A1/en
Publication of PL143256B1 publication Critical patent/PL143256B1/en

Links

PL24685484A 1984-03-23 1984-03-23 Method of and apparatus for protecting work area and exit of longwall workings PL143256B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL24685484A PL143256B1 (en) 1984-03-23 1984-03-23 Method of and apparatus for protecting work area and exit of longwall workings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL24685484A PL143256B1 (en) 1984-03-23 1984-03-23 Method of and apparatus for protecting work area and exit of longwall workings

Publications (2)

Publication Number Publication Date
PL246854A1 true PL246854A1 (en) 1985-11-05
PL143256B1 PL143256B1 (en) 1988-01-30

Family

ID=20021075

Family Applications (1)

Application Number Title Priority Date Filing Date
PL24685484A PL143256B1 (en) 1984-03-23 1984-03-23 Method of and apparatus for protecting work area and exit of longwall workings

Country Status (1)

Country Link
PL (1) PL143256B1 (en)

Also Published As

Publication number Publication date
PL143256B1 (en) 1988-01-30

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