PL292773A1 - Self-advancing roof supports for the crossing between a longwall working and a gallery - Google Patents

Self-advancing roof supports for the crossing between a longwall working and a gallery

Info

Publication number
PL292773A1
PL292773A1 PL29277391A PL29277391A PL292773A1 PL 292773 A1 PL292773 A1 PL 292773A1 PL 29277391 A PL29277391 A PL 29277391A PL 29277391 A PL29277391 A PL 29277391A PL 292773 A1 PL292773 A1 PL 292773A1
Authority
PL
Poland
Prior art keywords
gallery
crossing
self
roof supports
longwall working
Prior art date
Application number
PL29277391A
Other versions
PL166466B1 (en
Inventor
Zbigniew Cieslak
Erwin Koziol
Leszek Jarno
Wincenty Pretor
Henryk Izydorczyk
Witold Panuszka
Jacek Naglik
Antoni Trolka
Kornel Olender
Original Assignee
Ct Kt Maszyn Gorniczych Komag
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 Ct Kt Maszyn Gorniczych Komag filed Critical Ct Kt Maszyn Gorniczych Komag
Priority to PL29277391A priority Critical patent/PL166466B1/en
Publication of PL292773A1 publication Critical patent/PL292773A1/en
Publication of PL166466B1 publication Critical patent/PL166466B1/en

Links

PL29277391A 1991-09-14 1991-12-12 Self-advancing roof supports for the crossing between a longwall working and a gallery PL166466B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29277391A PL166466B1 (en) 1991-09-14 1991-12-12 Self-advancing roof supports for the crossing between a longwall working and a gallery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL29277391 1991-09-14
PL29277391A PL166466B1 (en) 1991-09-14 1991-12-12 Self-advancing roof supports for the crossing between a longwall working and a gallery

Publications (2)

Publication Number Publication Date
PL292773A1 true PL292773A1 (en) 1993-04-05
PL166466B1 PL166466B1 (en) 1995-05-31

Family

ID=26653073

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29277391A PL166466B1 (en) 1991-09-14 1991-12-12 Self-advancing roof supports for the crossing between a longwall working and a gallery

Country Status (1)

Country Link
PL (1) PL166466B1 (en)

Also Published As

Publication number Publication date
PL166466B1 (en) 1995-05-31

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