PL244705A1 - Method of advancing a mechanized shield-type roof support and apparatus therefor - Google Patents

Method of advancing a mechanized shield-type roof support and apparatus therefor

Info

Publication number
PL244705A1
PL244705A1 PL24470583A PL24470583A PL244705A1 PL 244705 A1 PL244705 A1 PL 244705A1 PL 24470583 A PL24470583 A PL 24470583A PL 24470583 A PL24470583 A PL 24470583A PL 244705 A1 PL244705 A1 PL 244705A1
Authority
PL
Poland
Prior art keywords
advancing
apparatus therefor
roof support
type roof
mechanized shield
Prior art date
Application number
PL24470583A
Other versions
PL141027B1 (en
Inventor
Franciszek Gazdzik
Marian Janowski
Henryk Pyka
Jacek Ratman
Jan Rodzon
Jozef Szczepanski
Original Assignee
Kopalnia Wegla Kamiennego Anda
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 Anda filed Critical Kopalnia Wegla Kamiennego Anda
Priority to PL24470583A priority Critical patent/PL141027B1/en
Publication of PL244705A1 publication Critical patent/PL244705A1/en
Publication of PL141027B1 publication Critical patent/PL141027B1/en

Links

PL24470583A 1983-11-21 1983-11-21 Apparatus for advancing over a weak floor shielded units of selfadvancing roof supports PL141027B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL24470583A PL141027B1 (en) 1983-11-21 1983-11-21 Apparatus for advancing over a weak floor shielded units of selfadvancing roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL24470583A PL141027B1 (en) 1983-11-21 1983-11-21 Apparatus for advancing over a weak floor shielded units of selfadvancing roof supports

Publications (2)

Publication Number Publication Date
PL244705A1 true PL244705A1 (en) 1985-06-18
PL141027B1 PL141027B1 (en) 1987-06-30

Family

ID=20019285

Family Applications (1)

Application Number Title Priority Date Filing Date
PL24470583A PL141027B1 (en) 1983-11-21 1983-11-21 Apparatus for advancing over a weak floor shielded units of selfadvancing roof supports

Country Status (1)

Country Link
PL (1) PL141027B1 (en)

Also Published As

Publication number Publication date
PL141027B1 (en) 1987-06-30

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