GB853206A - Improvements relating to anchor means for mine supporting structures - Google Patents

Improvements relating to anchor means for mine supporting structures

Info

Publication number
GB853206A
GB853206A GB40268/57A GB4026857A GB853206A GB 853206 A GB853206 A GB 853206A GB 40268/57 A GB40268/57 A GB 40268/57A GB 4026857 A GB4026857 A GB 4026857A GB 853206 A GB853206 A GB 853206A
Authority
GB
United Kingdom
Prior art keywords
supporting structures
improvements relating
anchor means
mine supporting
mine
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
GB40268/57A
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.)
Bergbaustahl & Co GmbH
Bergbaustahl GmbH
Original Assignee
Bergbaustahl & Co GmbH
Bergbaustahl GmbH
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 Bergbaustahl & Co GmbH, Bergbaustahl GmbH filed Critical Bergbaustahl & Co GmbH
Publication of GB853206A publication Critical patent/GB853206A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

853,206. Mine roof supports. BERGBAUSTAHL G.m.b.H. Dec. 30, 1957 [Feb. 5, 1957], No. 40268/57 Class 20(2) [Also in Group XXV] A number of anchor-bolts h (see Group XXV) are positioned to secure a metal mesh k over the surface of a mineroof &c. Each bolt is provided with a washer g.
GB40268/57A 1957-02-05 1957-12-30 Improvements relating to anchor means for mine supporting structures Expired GB853206A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE853206X 1957-02-05

Publications (1)

Publication Number Publication Date
GB853206A true GB853206A (en) 1960-11-02

Family

ID=6787219

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40268/57A Expired GB853206A (en) 1957-02-05 1957-12-30 Improvements relating to anchor means for mine supporting structures

Country Status (1)

Country Link
GB (1) GB853206A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478640A (en) * 1968-02-19 1969-11-18 Elders G W Roof bolt connection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478640A (en) * 1968-02-19 1969-11-18 Elders G W Roof bolt connection

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