CA900735A - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
CA900735A
CA900735A CA900735A CA900735DA CA900735A CA 900735 A CA900735 A CA 900735A CA 900735 A CA900735 A CA 900735A CA 900735D A CA900735D A CA 900735DA CA 900735 A CA900735 A CA 900735A
Authority
CA
Canada
Prior art keywords
mine roof
roof supports
supports
mine
roof
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA900735A
Inventor
Lubojatsky Walter
Von Pelser-Berensberg Bernhard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gullick Ltd
Original Assignee
Gullick Ltd
Publication date
Application granted granted Critical
Publication of CA900735A publication Critical patent/CA900735A/en
Expired legal-status Critical Current

Links

CA900735A Mine roof supports Expired CA900735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA900735T

Publications (1)

Publication Number Publication Date
CA900735A true CA900735A (en) 1972-05-23

Family

ID=36408700

Family Applications (1)

Application Number Title Priority Date Filing Date
CA900735A Expired CA900735A (en) Mine roof supports

Country Status (1)

Country Link
CA (1) CA900735A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638753A (en) * 2021-08-16 2021-11-12 哈尔滨学院 Supporting construction is used in civil engineering construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638753A (en) * 2021-08-16 2021-11-12 哈尔滨学院 Supporting construction is used in civil engineering construction
CN113638753B (en) * 2021-08-16 2024-01-05 哈尔滨学院 Supporting construction for civil engineering construction

Similar Documents

Publication Publication Date Title
AU473584B2 (en) Roof guttering
CA984572A (en) Aero-dynamic roof
CA995908A (en) Mine roof supports
CA999845A (en) Upward tunneling
CA986780A (en) Mine brattices
GB1387311A (en) Mine roof supports
AU470683B2 (en) Improvements in or relating to mine roof supports
CA946633A (en) Self propelled mine roof supports
ZA734686B (en) Mine roof supports
CA900735A (en) Mine roof supports
CA830734A (en) Mine roof supports
CA919439A (en) Mine roof supports
CA901822A (en) Mine roof supports
CA903498A (en) Mine roof supports
CA942959A (en) Mine roof supports
CA907875A (en) Mine roof supporting means
AU447361B2 (en) Improved roof construction
CA904035A (en) Self advancing mine roof supports
AU2396170A (en) Mine roof support means
AU417954B2 (en) Improved advancing mine roof support
CA839497A (en) Mine roof supports
CA968110A (en) Roof construction
CA873649A (en) Mine roof support
CS186869B1 (en) Roof structure
ZA734685B (en) Mine roof support