GB2274862B - Method and apparatus for supporting a mine roof - Google Patents

Method and apparatus for supporting a mine roof

Info

Publication number
GB2274862B
GB2274862B GB9406166A GB9406166A GB2274862B GB 2274862 B GB2274862 B GB 2274862B GB 9406166 A GB9406166 A GB 9406166A GB 9406166 A GB9406166 A GB 9406166A GB 2274862 B GB2274862 B GB 2274862B
Authority
GB
United Kingdom
Prior art keywords
supporting
mine roof
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 - Fee Related
Application number
GB9406166A
Other versions
GB9406166D0 (en
GB2274862A (en
Inventor
Jr Frank Calandra
Jerry E Frease
Lajos Kovacs
John C Stankus
Eugene H Stewart
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.)
Jennmar Corp
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
Priority claimed from US07/962,255 external-priority patent/US5302056A/en
Application filed by Jennmar Corp filed Critical Jennmar Corp
Publication of GB9406166D0 publication Critical patent/GB9406166D0/en
Publication of GB2274862A publication Critical patent/GB2274862A/en
Application granted granted Critical
Publication of GB2274862B publication Critical patent/GB2274862B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Rod-Shaped Construction Members (AREA)
GB9406166A 1992-10-16 1993-09-06 Method and apparatus for supporting a mine roof Expired - Fee Related GB2274862B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/962,255 US5302056A (en) 1992-10-16 1992-10-16 Method and apparatus for supporting a mine roof
GB9318466A GB2271589B (en) 1992-10-16 1993-09-06 Method and apparatus for supporting a mine roof

Publications (3)

Publication Number Publication Date
GB9406166D0 GB9406166D0 (en) 1994-05-18
GB2274862A GB2274862A (en) 1994-08-10
GB2274862B true GB2274862B (en) 1996-12-18

Family

ID=26303483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9406166A Expired - Fee Related GB2274862B (en) 1992-10-16 1993-09-06 Method and apparatus for supporting a mine roof

Country Status (1)

Country Link
GB (1) GB2274862B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA200000569B (en) * 1999-02-10 2000-08-18 Jennmar Corp Mine roof truss with cable tie member.
AU2004203635B1 (en) * 2004-05-19 2005-04-07 Frook Pty Ltd A Clamp Assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596496A (en) * 1983-09-29 1986-06-24 The Eastern Co. Mine roof supporting truss system
US4934873A (en) * 1988-08-08 1990-06-19 Jennmar Corporation Mine roof support utilizing roof anchors having eye-bolt heads
US5026217A (en) * 1990-05-14 1991-06-25 Seegmiller Ben L Mine roof support truss and components
US5176473A (en) * 1992-04-06 1993-01-05 Seegmiller Ben L Mine roof truss and components

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596496A (en) * 1983-09-29 1986-06-24 The Eastern Co. Mine roof supporting truss system
US4934873A (en) * 1988-08-08 1990-06-19 Jennmar Corporation Mine roof support utilizing roof anchors having eye-bolt heads
US5026217A (en) * 1990-05-14 1991-06-25 Seegmiller Ben L Mine roof support truss and components
US5176473A (en) * 1992-04-06 1993-01-05 Seegmiller Ben L Mine roof truss and components

Also Published As

Publication number Publication date
GB9406166D0 (en) 1994-05-18
GB2274862A (en) 1994-08-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980906