PL257537A1 - Self-advancing roof supports in particular for beds with brittle roofs and soft sole - Google Patents

Self-advancing roof supports in particular for beds with brittle roofs and soft sole

Info

Publication number
PL257537A1
PL257537A1 PL25753786A PL25753786A PL257537A1 PL 257537 A1 PL257537 A1 PL 257537A1 PL 25753786 A PL25753786 A PL 25753786A PL 25753786 A PL25753786 A PL 25753786A PL 257537 A1 PL257537 A1 PL 257537A1
Authority
PL
Poland
Prior art keywords
roofs
beds
brittle
self
roof supports
Prior art date
Application number
PL25753786A
Other versions
PL149315B1 (en
Inventor
Kazimierz Wrobel
Stefan GAZDA
Tadeusz Marcik
Jozef Gluszek
Dariusz Chmiel
Edward Rozmus
Marek Flak
Hubert Anczok
Jerzy Rochnia
Jerzy Kwiecinski
Original Assignee
Polmag
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 Polmag filed Critical Polmag
Priority to PL25753786A priority Critical patent/PL149315B1/en
Publication of PL257537A1 publication Critical patent/PL257537A1/en
Publication of PL149315B1 publication Critical patent/PL149315B1/en

Links

PL25753786A 1986-01-15 1986-01-15 Self-advancing roof supports in particular for beds with brittle roofs and soft sole PL149315B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL25753786A PL149315B1 (en) 1986-01-15 1986-01-15 Self-advancing roof supports in particular for beds with brittle roofs and soft sole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL25753786A PL149315B1 (en) 1986-01-15 1986-01-15 Self-advancing roof supports in particular for beds with brittle roofs and soft sole

Publications (2)

Publication Number Publication Date
PL257537A1 true PL257537A1 (en) 1987-09-07
PL149315B1 PL149315B1 (en) 1990-02-28

Family

ID=20030122

Family Applications (1)

Application Number Title Priority Date Filing Date
PL25753786A PL149315B1 (en) 1986-01-15 1986-01-15 Self-advancing roof supports in particular for beds with brittle roofs and soft sole

Country Status (1)

Country Link
PL (1) PL149315B1 (en)

Also Published As

Publication number Publication date
PL149315B1 (en) 1990-02-28

Similar Documents

Publication Publication Date Title
EP0284319A3 (en) Improvements in roof structures
EP0268994A3 (en) Sun and weather protection roof
GB2220693B (en) Improvements in mine roof supports
GB8809024D0 (en) Apex structure for use in prefabricated pitched roof
GB2238820B (en) Improvements in mine roof supports
ZA874566B (en) Mine roof supports
PL257537A1 (en) Self-advancing roof supports in particular for beds with brittle roofs and soft sole
GB2157738B (en) Improvements in roof ventilation
GB2199068B (en) Mine roof supports
GB2191236B (en) Mine roof supports
GB8617160D0 (en) Mine roof supports
GB2196371B (en) Mine roof supports
GB2249112B (en) Improvements in and relating to roof slating
GB2189529B (en) Improvements in and relating to mine or tunnel roof supports
AU590444B2 (en) Improvements in roof supports
PL254324A1 (en) Roof support for use in crumpable beds
GB2165564B (en) Improvements in roofing
GB8425932D0 (en) Roof supports for use in mines
GB2188665B (en) Mine roof supports
GB2203771B (en) Improvements in roof structures
PL273731A3 (en) Self-advancing roof supports
GB2197678B (en) Mine roof supports
PL273898A1 (en) Light-weight self-advancing roof supports
GB2216568B (en) Improvements in roof tiles
PL250131A1 (en) Roof support foot piece