AU2799477A - Rock breaking apparatus - Google Patents

Rock breaking apparatus

Info

Publication number
AU2799477A
AU2799477A AU27994/77A AU2799477A AU2799477A AU 2799477 A AU2799477 A AU 2799477A AU 27994/77 A AU27994/77 A AU 27994/77A AU 2799477 A AU2799477 A AU 2799477A AU 2799477 A AU2799477 A AU 2799477A
Authority
AU
Australia
Prior art keywords
rock breaking
breaking apparatus
rock
breaking
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
AU27994/77A
Other versions
AU522890B2 (en
Inventor
George Bezette Ian
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.)
BENNETTO J
Original Assignee
BENNETTO J
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 BENNETTO J filed Critical BENNETTO J
Priority to AU27994/77A priority Critical patent/AU522890B2/en
Publication of AU2799477A publication Critical patent/AU2799477A/en
Application granted granted Critical
Publication of AU522890B2 publication Critical patent/AU522890B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
    • E21C47/10—Machines for obtaining or the removal of materials in open-pit mines for quarrying stone, sand, gravel, or clay
AU27994/77A 1976-08-24 1976-08-24 Rock breaking apparatus Expired AU522890B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU27994/77A AU522890B2 (en) 1976-08-24 1976-08-24 Rock breaking apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU27994/77A AU522890B2 (en) 1976-08-24 1976-08-24 Rock breaking apparatus
AU712376 1976-08-24

Publications (2)

Publication Number Publication Date
AU2799477A true AU2799477A (en) 1979-02-22
AU522890B2 AU522890B2 (en) 1982-07-01

Family

ID=25612175

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27994/77A Expired AU522890B2 (en) 1976-08-24 1976-08-24 Rock breaking apparatus

Country Status (1)

Country Link
AU (1) AU522890B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245572A2 (en) * 1985-11-04 1987-11-19 Quarry Engineering Developments Pty. Ltd. Rock breaking apparatus
US6257352B1 (en) 1998-11-06 2001-07-10 Craig Nelson Rock breaking device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU536689B2 (en) * 1981-11-24 1984-05-17 John Bennetto Rock breaking apparatus
AU585274B2 (en) * 1984-11-02 1989-06-15 Rocktec Limited Rock breaking apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245572A2 (en) * 1985-11-04 1987-11-19 Quarry Engineering Developments Pty. Ltd. Rock breaking apparatus
EP0245572A3 (en) * 1985-11-04 1989-05-17 Quarry Engineering Developments Pty. Ltd. Rock breaking apparatus
US6257352B1 (en) 1998-11-06 2001-07-10 Craig Nelson Rock breaking device

Also Published As

Publication number Publication date
AU522890B2 (en) 1982-07-01

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