ZA812674B - Mine roof plate beam for a roof truss assembly - Google Patents

Mine roof plate beam for a roof truss assembly

Info

Publication number
ZA812674B
ZA812674B ZA00812674A ZA812674A ZA812674B ZA 812674 B ZA812674 B ZA 812674B ZA 00812674 A ZA00812674 A ZA 00812674A ZA 812674 A ZA812674 A ZA 812674A ZA 812674 B ZA812674 B ZA 812674B
Authority
ZA
South Africa
Prior art keywords
roof
plate beam
truss assembly
mine
roof plate
Prior art date
Application number
ZA00812674A
Inventor
Calandra Frank Jr
Frank Calandra Jr
Original Assignee
Jennmar Corp
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 Jennmar Corp filed Critical Jennmar Corp
Publication of ZA812674B publication Critical patent/ZA812674B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/01—Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/006—Lining anchored in the rock
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/03—Brackets for roof-supporting bars

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
ZA00812674A 1980-05-01 1981-04-23 Mine roof plate beam for a roof truss assembly ZA812674B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14580280A 1980-05-01 1980-05-01

Publications (1)

Publication Number Publication Date
ZA812674B true ZA812674B (en) 1982-06-30

Family

ID=22514621

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00812674A ZA812674B (en) 1980-05-01 1981-04-23 Mine roof plate beam for a roof truss assembly

Country Status (4)

Country Link
AU (1) AU6967981A (en)
CA (1) CA1168459A (en)
GB (1) GB2075090B (en)
ZA (1) ZA812674B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU585675B2 (en) * 1985-12-03 1989-06-22 Arnall's Engineering Pty. Limited Service line roof strap
AU668524B2 (en) * 1991-10-16 1996-05-09 Buffier, Brian Lesley Joseph Support device for services
BR9206645A (en) * 1991-10-16 1995-11-21 John Edwin Pink Support device for services
US6146056A (en) * 1998-01-14 2000-11-14 Jennmar Corporation Channel and bearing plate assembly
US20120034037A1 (en) * 2010-08-06 2012-02-09 Fci Holdings Delaware, Inc. Curved Mine Roof and Rib Support
CN102200020A (en) * 2011-04-26 2011-09-28 山东大学 Yielding type special-shaped beam anchor rope truss roadway support system
CN102518459B (en) * 2011-12-15 2014-04-30 湖南科技大学 High-strength anchor rope steel channel beam capable of yielding automatically for deep well coal roadways
CN108119173B (en) * 2017-12-29 2020-04-28 山东里能鲁西矿业有限公司 Self-moving type telescopic front canopy and supporting method thereof
CN108361053B (en) * 2018-03-13 2019-11-05 山东里能鲁西矿业有限公司 A kind of roadway support front cantilever apparatus and method

Also Published As

Publication number Publication date
GB2075090B (en) 1984-04-18
AU6967981A (en) 1981-11-05
GB2075090A (en) 1981-11-11
CA1168459A (en) 1984-06-05

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