PL56525Y1 - Mine roof supports with a lemniscate mechanism - Google Patents

Mine roof supports with a lemniscate mechanism

Info

Publication number
PL56525Y1
PL56525Y1 PL10196995U PL10196995U PL56525Y1 PL 56525 Y1 PL56525 Y1 PL 56525Y1 PL 10196995 U PL10196995 U PL 10196995U PL 10196995 U PL10196995 U PL 10196995U PL 56525 Y1 PL56525 Y1 PL 56525Y1
Authority
PL
Poland
Prior art keywords
mine roof
roof supports
lemniscate mechanism
lemniscate
supports
Prior art date
Application number
PL10196995U
Other versions
PL101969U1 (en
Inventor
Jan Matuszyk
Original Assignee
Jan Matuszyk
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 Jan Matuszyk filed Critical Jan Matuszyk
Priority to PL10196995U priority Critical patent/PL56525Y1/en
Publication of PL101969U1 publication Critical patent/PL101969U1/en
Publication of PL56525Y1 publication Critical patent/PL56525Y1/en

Links

PL10196995U 1995-01-26 1995-01-26 Mine roof supports with a lemniscate mechanism PL56525Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10196995U PL56525Y1 (en) 1995-01-26 1995-01-26 Mine roof supports with a lemniscate mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL10196995U PL56525Y1 (en) 1995-01-26 1995-01-26 Mine roof supports with a lemniscate mechanism

Publications (2)

Publication Number Publication Date
PL101969U1 PL101969U1 (en) 1996-08-05
PL56525Y1 true PL56525Y1 (en) 1998-10-30

Family

ID=19940048

Family Applications (1)

Application Number Title Priority Date Filing Date
PL10196995U PL56525Y1 (en) 1995-01-26 1995-01-26 Mine roof supports with a lemniscate mechanism

Country Status (1)

Country Link
PL (1) PL56525Y1 (en)

Also Published As

Publication number Publication date
PL101969U1 (en) 1996-08-05

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