AU1129592A - Mine roof expansion anchor - Google Patents

Mine roof expansion anchor

Info

Publication number
AU1129592A
AU1129592A AU11295/92A AU1129592A AU1129592A AU 1129592 A AU1129592 A AU 1129592A AU 11295/92 A AU11295/92 A AU 11295/92A AU 1129592 A AU1129592 A AU 1129592A AU 1129592 A AU1129592 A AU 1129592A
Authority
AU
Australia
Prior art keywords
expansion anchor
mine roof
roof expansion
mine
anchor
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.)
Granted
Application number
AU11295/92A
Other versions
AU642811B2 (en
Inventor
Carl A. Clark
Raymond L. Wright
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.)
Eastern Co
Original Assignee
Eastern 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 Eastern Co filed Critical Eastern Co
Priority to AU11295/92A priority Critical patent/AU642811B2/en
Publication of AU1129592A publication Critical patent/AU1129592A/en
Application granted granted Critical
Publication of AU642811B2 publication Critical patent/AU642811B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU11295/92A 1992-02-27 1992-02-27 Mine roof expansion anchor Ceased AU642811B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU11295/92A AU642811B2 (en) 1992-02-27 1992-02-27 Mine roof expansion anchor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU11295/92A AU642811B2 (en) 1992-02-27 1992-02-27 Mine roof expansion anchor

Publications (2)

Publication Number Publication Date
AU1129592A true AU1129592A (en) 1993-09-02
AU642811B2 AU642811B2 (en) 1993-10-28

Family

ID=3702068

Family Applications (1)

Application Number Title Priority Date Filing Date
AU11295/92A Ceased AU642811B2 (en) 1992-02-27 1992-02-27 Mine roof expansion anchor

Country Status (1)

Country Link
AU (1) AU642811B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995005525A1 (en) * 1993-08-12 1995-02-23 The Broken Hill Proprietary Company Limited A rock bolt
AU711823B3 (en) * 1998-02-19 1999-10-21 Dita Products (Proprietary) Limited Rock anchor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3315557A (en) * 1965-06-23 1967-04-25 Eastern Co Expansion shell assembly
US4278006A (en) * 1978-05-05 1981-07-14 The Eastern Company Expansion shell assembly
US4861198A (en) * 1988-11-22 1989-08-29 Jennmar Corporation Expansion assembly for mine roof bolts

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995005525A1 (en) * 1993-08-12 1995-02-23 The Broken Hill Proprietary Company Limited A rock bolt
GB2296063A (en) * 1993-08-12 1996-06-19 Broken Hill Pty Co Ltd A rock bolt
GB2296063B (en) * 1993-08-12 1998-03-04 Broken Hill Pty Co Ltd A rock bolt
US5775850A (en) * 1993-08-12 1998-07-07 The Broken Hill Proprietary Company Limited Rock bolt
AU711823B3 (en) * 1998-02-19 1999-10-21 Dita Products (Proprietary) Limited Rock anchor

Also Published As

Publication number Publication date
AU642811B2 (en) 1993-10-28

Similar Documents

Publication Publication Date Title
AU661763B2 (en) Mine roof bolt
AU3391493A (en) Mine roof expansion anchor and bail element
AU652457B2 (en) Mine roof support system
AU2836792A (en) Mine roof expansion anchor and bail member therefor
AU2712892A (en) Mine roof supports
AU2135192A (en) Resin-mixing article for mine roof anchor
GB2297348B (en) Mining roof support
GB2275948B (en) Roof structures
GB2283526B (en) Roof anchor
AU630554B1 (en) Mine roof support
AU642811B2 (en) Mine roof expansion anchor
AU5888994A (en) Improved roof anchor
GB2268764B (en) Roof structures
AU678935B2 (en) Mine roof bolt
AU7434794A (en) Roof anchor
AU4089289A (en) Mine roof anchor assembly
AU2331695A (en) Mine roof support
PL297115A1 (en) Mine roof support
PL54568Y1 (en) Mine roof support
AU5066393A (en) Rock anchor
PL294093A1 (en) Mining anchor
PL294108A1 (en) Mining anchor
CA69184S (en) Roof anchor
GB9217302D0 (en) Portable roof anchor
AUPM654694A0 (en) Mine roof support

Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired