PL241782A2 - Hydraulically liftable floor beam for a mechanized mine roof support - Google Patents

Hydraulically liftable floor beam for a mechanized mine roof support

Info

Publication number
PL241782A2
PL241782A2 PL24178283A PL24178283A PL241782A2 PL 241782 A2 PL241782 A2 PL 241782A2 PL 24178283 A PL24178283 A PL 24178283A PL 24178283 A PL24178283 A PL 24178283A PL 241782 A2 PL241782 A2 PL 241782A2
Authority
PL
Poland
Prior art keywords
floor beam
roof support
mine roof
liftable floor
hydraulically liftable
Prior art date
Application number
PL24178283A
Other versions
PL131504B2 (en
Inventor
Marian Machnicki
Eugeniusz Sakwerda
Zbyslaw Matjasik
Zbigniew Kozlowski
Original Assignee
Kopalnia Wegla Kamiennego Mysl
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 Mysl filed Critical Kopalnia Wegla Kamiennego Mysl
Priority to PL24178283A priority Critical patent/PL131504B2/en
Publication of PL241782A2 publication Critical patent/PL241782A2/en
Publication of PL131504B2 publication Critical patent/PL131504B2/en

Links

PL24178283A 1983-05-04 1983-05-04 Hydraulically liftable stringer for self-advancing supports PL131504B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL24178283A PL131504B2 (en) 1983-05-04 1983-05-04 Hydraulically liftable stringer for self-advancing supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL24178283A PL131504B2 (en) 1983-05-04 1983-05-04 Hydraulically liftable stringer for self-advancing supports

Publications (2)

Publication Number Publication Date
PL241782A2 true PL241782A2 (en) 1983-12-19
PL131504B2 PL131504B2 (en) 1984-11-30

Family

ID=20016877

Family Applications (1)

Application Number Title Priority Date Filing Date
PL24178283A PL131504B2 (en) 1983-05-04 1983-05-04 Hydraulically liftable stringer for self-advancing supports

Country Status (1)

Country Link
PL (1) PL131504B2 (en)

Also Published As

Publication number Publication date
PL131504B2 (en) 1984-11-30

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