CA1161675A - Mine roof plate - Google Patents

Mine roof plate

Info

Publication number
CA1161675A
CA1161675A CA000357632A CA357632A CA1161675A CA 1161675 A CA1161675 A CA 1161675A CA 000357632 A CA000357632 A CA 000357632A CA 357632 A CA357632 A CA 357632A CA 1161675 A CA1161675 A CA 1161675A
Authority
CA
Canada
Prior art keywords
dome
base
plate
central portion
load
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
CA000357632A
Other languages
English (en)
French (fr)
Inventor
Satya P. Arya
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of CA1161675A publication Critical patent/CA1161675A/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
    • E21D21/0086—Bearing plates

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)
  • Rock Bolts (AREA)
CA000357632A 1979-12-03 1980-08-05 Mine roof plate Expired CA1161675A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9983679A 1979-12-03 1979-12-03
US099,836 1979-12-03

Publications (1)

Publication Number Publication Date
CA1161675A true CA1161675A (en) 1984-02-07

Family

ID=22276846

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000357632A Expired CA1161675A (en) 1979-12-03 1980-08-05 Mine roof plate

Country Status (5)

Country Link
JP (1) JPS5681798A (OSRAM)
AU (1) AU537481B2 (OSRAM)
CA (1) CA1161675A (OSRAM)
FR (1) FR2470852A1 (OSRAM)
ZA (1) ZA804722B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006133558A1 (en) * 2005-06-16 2006-12-21 Valgora George G Bearing plate having tab

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0922611A (ja) * 1994-12-21 1997-01-21 Mitsuru Kusanagi 山桜の樹皮を使用した照明器具の製造方法
JP6887358B2 (ja) * 2017-10-02 2021-06-16 日鉄建材株式会社 土砂構造物の受圧部材、土砂構造物の補強構造、及び土砂構造物の補強方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748594A (en) * 1952-11-04 1956-06-05 Lukens Steel Co Roof bolt
US4112693A (en) * 1976-09-30 1978-09-12 Kaiser Steel Corporation Mine roof support plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006133558A1 (en) * 2005-06-16 2006-12-21 Valgora George G Bearing plate having tab

Also Published As

Publication number Publication date
AU6105180A (en) 1981-06-11
AU537481B2 (en) 1984-06-28
FR2470852A1 (fr) 1981-06-12
JPS5681798A (en) 1981-07-04
ZA804722B (en) 1981-07-29
FR2470852B1 (OSRAM) 1984-11-23

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Legal Events

Date Code Title Description
MKEX Expiry