PL307815A1 - Mine arching - Google Patents

Mine arching

Info

Publication number
PL307815A1
PL307815A1 PL30781595A PL30781595A PL307815A1 PL 307815 A1 PL307815 A1 PL 307815A1 PL 30781595 A PL30781595 A PL 30781595A PL 30781595 A PL30781595 A PL 30781595A PL 307815 A1 PL307815 A1 PL 307815A1
Authority
PL
Poland
Prior art keywords
arching
mine
mine arching
Prior art date
Application number
PL30781595A
Other versions
PL175652B1 (en
Inventor
Jan Perek
Edward Kowalski
Bohdan Sawka
Kazimierz Rulka
Jerzy Sitek
Karol Koziel
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 PL95307815A priority Critical patent/PL175652B1/en
Publication of PL307815A1 publication Critical patent/PL307815A1/en
Publication of PL175652B1 publication Critical patent/PL175652B1/en

Links

PL95307815A 1995-03-21 1995-03-21 The arch mining hatch PL175652B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL95307815A PL175652B1 (en) 1995-03-21 1995-03-21 The arch mining hatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL95307815A PL175652B1 (en) 1995-03-21 1995-03-21 The arch mining hatch

Publications (2)

Publication Number Publication Date
PL307815A1 true PL307815A1 (en) 1996-09-30
PL175652B1 PL175652B1 (en) 1999-01-29

Family

ID=20064673

Family Applications (1)

Application Number Title Priority Date Filing Date
PL95307815A PL175652B1 (en) 1995-03-21 1995-03-21 The arch mining hatch

Country Status (1)

Country Link
PL (1) PL175652B1 (en)

Also Published As

Publication number Publication date
PL175652B1 (en) 1999-01-29

Similar Documents

Publication Publication Date Title
AU129242S (en) Feeder
TW335028U (en) Conveyor means
GB2300169B (en) Conveyors
ZA962552B (en) Explosive
GB2307211B (en) Mine Sweeping
GB2302889B (en) Mine support
GB9514421D0 (en) Document
AP9600802A0 (en) Libricant
GB2298711B (en) Rock sorting
ZA967019B (en) Blasting.
ZA96221B (en) Continuous mining
ZA947477B (en) Mine hopper
ZA965493B (en) Mine support
ZA961863B (en) Mine support
AU1105P (en) DALESE Metrosideros excelsus
ZA967751B (en) Hoppers
ZA965890B (en) Mine support.
GB9610999D0 (en) Continuous mining device
GB9514385D0 (en) Mining apparatus
ZA961728B (en) Rock sorting
ZA963756B (en) Explosive
IL116434A0 (en) Improved road-mapping
ZA953970B (en) Index-tab arrangement
ZA961668B (en) Constructional elements
GB9504764D0 (en) Construction elements

Legal Events

Date Code Title Description
LICE Declarations of willingness to grant licence

Effective date: 20090210

LAPS Decisions on the lapse of the protection rights

Effective date: 20120321