AU582140B2 - Mine roof supporting truss system - Google Patents

Mine roof supporting truss system

Info

Publication number
AU582140B2
AU582140B2 AU39065/85A AU3906585A AU582140B2 AU 582140 B2 AU582140 B2 AU 582140B2 AU 39065/85 A AU39065/85 A AU 39065/85A AU 3906585 A AU3906585 A AU 3906585A AU 582140 B2 AU582140 B2 AU 582140B2
Authority
AU
Australia
Prior art keywords
mine roof
roof supporting
truss system
supporting truss
mine
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
AU39065/85A
Other versions
AU3906585A (en
Inventor
Jerry Frease
Robert W. Hill
Gary D. Tyrell
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.)
Excel Mining Systems Inc
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
Priority claimed from US06/643,042 external-priority patent/US4596496A/en
Application filed by Eastern Co filed Critical Eastern Co
Publication of AU3906585A publication Critical patent/AU3906585A/en
Application granted granted Critical
Publication of AU582140B2 publication Critical patent/AU582140B2/en
Assigned to EXCEL MINING SYSTEMS, INC. reassignment EXCEL MINING SYSTEMS, INC. Alteration of Name(s) in Register under S187 Assignors: BIRMINGHAM BOLT COMPANY INC.
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU39065/85A 1984-08-22 1985-02-22 Mine roof supporting truss system Ceased AU582140B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US643042 1984-08-22
US06/643,042 US4596496A (en) 1983-09-29 1984-08-22 Mine roof supporting truss system

Publications (2)

Publication Number Publication Date
AU3906585A AU3906585A (en) 1986-02-27
AU582140B2 true AU582140B2 (en) 1989-03-16

Family

ID=24579122

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39065/85A Ceased AU582140B2 (en) 1984-08-22 1985-02-22 Mine roof supporting truss system

Country Status (1)

Country Link
AU (1) AU582140B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749310A (en) * 1986-09-30 1988-06-07 Birmingham Bolt Company, Inc. Mine roof truss
AU707786B2 (en) * 1996-06-03 1999-07-22 Jennmar Corporation A splice tube
US5836720A (en) * 1996-06-03 1998-11-17 Jennmar Corporation Mine roof support system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2857267A (en) * 1967-03-22 1969-04-24 C. White Claude Roof support of underground mines and openings
US4395161A (en) * 1981-11-19 1983-07-26 Bethlehem Steel Corporation Transition plate for a mine roof truss

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509726A (en) * 1969-06-25 1970-05-05 Claude C White Roof support for underground mines and openings

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2857267A (en) * 1967-03-22 1969-04-24 C. White Claude Roof support of underground mines and openings
AU6401969A (en) * 1969-06-25 1971-05-20 Carlos White Claude Roof support for underground mines and openings
US4395161A (en) * 1981-11-19 1983-07-26 Bethlehem Steel Corporation Transition plate for a mine roof truss

Also Published As

Publication number Publication date
AU3906585A (en) 1986-02-27

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Legal Events

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