PL337744A1 - Method of increasing three-dimensional stability of dog heading steel arching in particular that for inclined headings - Google Patents

Method of increasing three-dimensional stability of dog heading steel arching in particular that for inclined headings

Info

Publication number
PL337744A1
PL337744A1 PL33774400A PL33774400A PL337744A1 PL 337744 A1 PL337744 A1 PL 337744A1 PL 33774400 A PL33774400 A PL 33774400A PL 33774400 A PL33774400 A PL 33774400A PL 337744 A1 PL337744 A1 PL 337744A1
Authority
PL
Poland
Prior art keywords
headings
increasing
dimensional stability
heading steel
dog
Prior art date
Application number
PL33774400A
Other versions
PL191829B1 (en
Inventor
Jozef Chrostek
Edward Kowalski
Henryk Pawelczyk
Marek Rotkegel
Kazimierz Rulka
Krzysztof Skrzynski
Kazimierz Werecki
Miroslaw Zacharski
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 PL337744A priority Critical patent/PL191829B1/en
Publication of PL337744A1 publication Critical patent/PL337744A1/en
Publication of PL191829B1 publication Critical patent/PL191829B1/en

Links

PL337744A 2000-01-05 2000-01-05 Method of increasing three-dimensional stability of dog heading steel arching in particular that for inclined headings PL191829B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL337744A PL191829B1 (en) 2000-01-05 2000-01-05 Method of increasing three-dimensional stability of dog heading steel arching in particular that for inclined headings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL337744A PL191829B1 (en) 2000-01-05 2000-01-05 Method of increasing three-dimensional stability of dog heading steel arching in particular that for inclined headings

Publications (2)

Publication Number Publication Date
PL337744A1 true PL337744A1 (en) 2001-07-16
PL191829B1 PL191829B1 (en) 2006-07-31

Family

ID=20075829

Family Applications (1)

Application Number Title Priority Date Filing Date
PL337744A PL191829B1 (en) 2000-01-05 2000-01-05 Method of increasing three-dimensional stability of dog heading steel arching in particular that for inclined headings

Country Status (1)

Country Link
PL (1) PL191829B1 (en)

Also Published As

Publication number Publication date
PL191829B1 (en) 2006-07-31

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20080105