CA830734A - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
CA830734A
CA830734A CA830734A CA830734DA CA830734A CA 830734 A CA830734 A CA 830734A CA 830734 A CA830734 A CA 830734A CA 830734D A CA830734D A CA 830734DA CA 830734 A CA830734 A CA 830734A
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
CA830734A
Inventor
Shuttleworth Peter
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.)
Mastabar Mining Equipment Co Ltd
Original Assignee
Mastabar Mining Equipment Co Ltd
Publication date
Application granted granted Critical
Publication of CA830734A publication Critical patent/CA830734A/en
Expired legal-status Critical Current

Links

CA830734A Mine roof supports Expired CA830734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA830734T

Publications (1)

Publication Number Publication Date
CA830734A true CA830734A (en) 1969-12-30

Family

ID=36308196

Family Applications (1)

Application Number Title Priority Date Filing Date
CA830734A Expired CA830734A (en) Mine roof supports

Country Status (1)

Country Link
CA (1) CA830734A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110043299A (en) * 2019-05-14 2019-07-23 江苏中贵重工有限公司 A kind of suspension device and roofboltier
CN113653524A (en) * 2021-09-22 2021-11-16 中国煤炭科工集团太原研究院有限公司 Broken roof is synthesized and is adopted face hydraulic support withdrawal triangular space temporary support device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110043299A (en) * 2019-05-14 2019-07-23 江苏中贵重工有限公司 A kind of suspension device and roofboltier
CN113653524A (en) * 2021-09-22 2021-11-16 中国煤炭科工集团太原研究院有限公司 Broken roof is synthesized and is adopted face hydraulic support withdrawal triangular space temporary support device

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