PL292397A1 - Front wall roof supports for dog heading branching and bifurcation - Google Patents

Front wall roof supports for dog heading branching and bifurcation

Info

Publication number
PL292397A1
PL292397A1 PL29239791A PL29239791A PL292397A1 PL 292397 A1 PL292397 A1 PL 292397A1 PL 29239791 A PL29239791 A PL 29239791A PL 29239791 A PL29239791 A PL 29239791A PL 292397 A1 PL292397 A1 PL 292397A1
Authority
PL
Poland
Prior art keywords
bifurcation
branching
front wall
roof supports
wall roof
Prior art date
Application number
PL29239791A
Other versions
PL166517B1 (en
Inventor
Andrzej Pytlik
Edward Kowalski
Andrzej Duch
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 PL29239791A priority Critical patent/PL166517B1/en
Publication of PL292397A1 publication Critical patent/PL292397A1/en
Publication of PL166517B1 publication Critical patent/PL166517B1/en

Links

PL29239791A 1991-11-13 1991-11-13 Front wall of the branches and forks of corridor workings PL166517B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29239791A PL166517B1 (en) 1991-11-13 1991-11-13 Front wall of the branches and forks of corridor workings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29239791A PL166517B1 (en) 1991-11-13 1991-11-13 Front wall of the branches and forks of corridor workings

Publications (2)

Publication Number Publication Date
PL292397A1 true PL292397A1 (en) 1993-05-17
PL166517B1 PL166517B1 (en) 1995-05-31

Family

ID=20056093

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29239791A PL166517B1 (en) 1991-11-13 1991-11-13 Front wall of the branches and forks of corridor workings

Country Status (1)

Country Link
PL (1) PL166517B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL445500A1 (en) * 2023-07-06 2024-02-12 Główny Instytut Górnictwa Special support for expansion of workings
PL445499A1 (en) * 2023-07-06 2024-02-12 Główny Instytut Górnictwa Special support for expansion of workings
PL445501A1 (en) * 2023-07-06 2024-02-12 Główny Instytut Górnictwa Special support for expansion of workings

Also Published As

Publication number Publication date
PL166517B1 (en) 1995-05-31

Similar Documents

Publication Publication Date Title
GB2258878B (en) Mine roof support system
GB2267588B (en) FIFO memory system
GB9320077D0 (en) Quinazoline derivatives
GB2260558B (en) Mine roof supports
ZA947083B (en) Mining system
GB2276644B (en) Roof or wall supports
GB9300495D0 (en) Underground watering system
GB9303999D0 (en) Cache memory system
ZA918563B (en) Mine tunnel support systems
ZW17593A1 (en) Mine support system
ZA92159B (en) Yieldable roof support system
GB9205515D0 (en) Roof construction
EP0556778A3 (en) Xanthine derivatives
GB9320665D0 (en) Vertical multiple tunnel junction
PL297435A1 (en) Yieldable mine roof supports
GB9014178D0 (en) Mine roof supports
PL297115A1 (en) Mine roof support
GB9218992D0 (en) Improvements in mining roof supports
PL293801A1 (en) Branching union piece
PL293800A1 (en) Branching union piece
GB9208444D0 (en) Modular tunnel system
GB2243394B (en) Mine roof supports
CS281192A3 (en) Roof cladding
ZA911489B (en) Mine conveyance system
PL290357A1 (en) Shield-type roof supports