AU567834B2 - Extensible mine roof support - Google Patents

Extensible mine roof support

Info

Publication number
AU567834B2
AU567834B2 AU62572/86A AU6257286A AU567834B2 AU 567834 B2 AU567834 B2 AU 567834B2 AU 62572/86 A AU62572/86 A AU 62572/86A AU 6257286 A AU6257286 A AU 6257286A AU 567834 B2 AU567834 B2 AU 567834B2
Authority
AU
Australia
Prior art keywords
roof support
mine roof
extensible
extensible mine
support
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.)
Ceased
Application number
AU62572/86A
Other versions
AU6257286A (en
Inventor
Jose Luis Santa
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.)
Santa Joe & Associates Pty Ltd
Original Assignee
Santa Joe & Associates Pty Ltd
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 Santa Joe & Associates Pty Ltd filed Critical Santa Joe & Associates Pty Ltd
Priority to AU62572/86A priority Critical patent/AU567834B2/en
Publication of AU6257286A publication Critical patent/AU6257286A/en
Application granted granted Critical
Publication of AU567834B2 publication Critical patent/AU567834B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/36—Telescopic props with parts held relatively to each other by friction or gripping by a tiltable collar surrounding one or both parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
AU62572/86A 1985-11-15 1985-11-15 Extensible mine roof support Ceased AU567834B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU62572/86A AU567834B2 (en) 1985-11-15 1985-11-15 Extensible mine roof support

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU62572/86A AU567834B2 (en) 1985-11-15 1985-11-15 Extensible mine roof support
AUPH3431 1985-11-15

Publications (2)

Publication Number Publication Date
AU6257286A AU6257286A (en) 1987-05-21
AU567834B2 true AU567834B2 (en) 1987-12-03

Family

ID=3747507

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62572/86A Ceased AU567834B2 (en) 1985-11-15 1985-11-15 Extensible mine roof support

Country Status (1)

Country Link
AU (1) AU567834B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU599511B2 (en) * 1987-08-26 1990-07-19 Antonio Piscitelli Cam lock roof support

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4794468A (en) * 1969-12-10 1971-06-17 JAMES HOGAN and ROBERT LLOYD LAWRENCE An adjustable strut or brace for use in trenches, mines, and buldings under construction
AU2008270A (en) * 1970-09-17 1972-03-23 Adjustable support or prop
AU1058376A (en) * 1975-01-27 1977-09-08 Ek Schmitter Pincers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4794468A (en) * 1969-12-10 1971-06-17 JAMES HOGAN and ROBERT LLOYD LAWRENCE An adjustable strut or brace for use in trenches, mines, and buldings under construction
AU2008270A (en) * 1970-09-17 1972-03-23 Adjustable support or prop
AU1058376A (en) * 1975-01-27 1977-09-08 Ek Schmitter Pincers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU599511B2 (en) * 1987-08-26 1990-07-19 Antonio Piscitelli Cam lock roof support

Also Published As

Publication number Publication date
AU6257286A (en) 1987-05-21

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