PL254577A1 - Self-advancing roof supports for cut-and-fill mining - Google Patents

Self-advancing roof supports for cut-and-fill mining

Info

Publication number
PL254577A1
PL254577A1 PL25457785A PL25457785A PL254577A1 PL 254577 A1 PL254577 A1 PL 254577A1 PL 25457785 A PL25457785 A PL 25457785A PL 25457785 A PL25457785 A PL 25457785A PL 254577 A1 PL254577 A1 PL 254577A1
Authority
PL
Poland
Prior art keywords
self
cut
roof supports
fill mining
advancing roof
Prior art date
Application number
PL25457785A
Other versions
PL147868B1 (en
Inventor
Marek Flak
Krzysztof Zajaczkowski
Henryk Trembaczewski
Wincenty Pretor
Grzegorz Stawinski
Adolf Drewniak
Original Assignee
Polmag
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 Polmag filed Critical Polmag
Priority to PL25457785A priority Critical patent/PL147868B1/en
Publication of PL254577A1 publication Critical patent/PL254577A1/en
Publication of PL147868B1 publication Critical patent/PL147868B1/en

Links

PL25457785A 1985-07-17 1985-07-17 Self-advancing roof supports for cut-and-fill mining PL147868B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL25457785A PL147868B1 (en) 1985-07-17 1985-07-17 Self-advancing roof supports for cut-and-fill mining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL25457785A PL147868B1 (en) 1985-07-17 1985-07-17 Self-advancing roof supports for cut-and-fill mining

Publications (2)

Publication Number Publication Date
PL254577A1 true PL254577A1 (en) 1987-02-09
PL147868B1 PL147868B1 (en) 1989-08-31

Family

ID=20027621

Family Applications (1)

Application Number Title Priority Date Filing Date
PL25457785A PL147868B1 (en) 1985-07-17 1985-07-17 Self-advancing roof supports for cut-and-fill mining

Country Status (1)

Country Link
PL (1) PL147868B1 (en)

Also Published As

Publication number Publication date
PL147868B1 (en) 1989-08-31

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