PL290979A1 - Stirrup for yeldable mine roof supports - Google Patents

Stirrup for yeldable mine roof supports

Info

Publication number
PL290979A1
PL290979A1 PL29097991A PL29097991A PL290979A1 PL 290979 A1 PL290979 A1 PL 290979A1 PL 29097991 A PL29097991 A PL 29097991A PL 29097991 A PL29097991 A PL 29097991A PL 290979 A1 PL290979 A1 PL 290979A1
Authority
PL
Poland
Prior art keywords
yeldable
stirrup
mine roof
roof supports
supports
Prior art date
Application number
PL29097991A
Other versions
PL165211B1 (en
Inventor
Boguslaw Cialkowski
Kazimierz Rulka
Kazimierz Stoinski
Original Assignee
Glowny Instytut Gornictwa
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 Glowny Instytut Gornictwa filed Critical Glowny Instytut Gornictwa
Priority to PL29097991A priority Critical patent/PL165211B1/en
Publication of PL290979A1 publication Critical patent/PL290979A1/en
Publication of PL165211B1 publication Critical patent/PL165211B1/en

Links

PL29097991A 1991-07-08 1991-07-08 Stirrup for mining flexible support PL165211B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29097991A PL165211B1 (en) 1991-07-08 1991-07-08 Stirrup for mining flexible support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29097991A PL165211B1 (en) 1991-07-08 1991-07-08 Stirrup for mining flexible support

Publications (2)

Publication Number Publication Date
PL290979A1 true PL290979A1 (en) 1993-01-11
PL165211B1 PL165211B1 (en) 1994-11-30

Family

ID=20055141

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29097991A PL165211B1 (en) 1991-07-08 1991-07-08 Stirrup for mining flexible support

Country Status (1)

Country Link
PL (1) PL165211B1 (en)

Also Published As

Publication number Publication date
PL165211B1 (en) 1994-11-30

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