AU468246B2 - Improvements in rock boring machinery - Google Patents

Improvements in rock boring machinery

Info

Publication number: AU468246B2
Authority: AU; Australia
Prior art keywords: rock boring; boring machinery; machinery; rock; boring
Prior art date: 1970-07-31
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

Application number

AU31674/71A

Other versions

AU3167471A (en

Inventor

Francis Taylor Richard

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.)

ANGLO-TRANSVAAL CONSOLIDATED INVESTMENT Co Ltd

Original Assignee

ANGLO-TRANSVAAL CONSOLIDATED INVESTMENT Co 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.)

1970-07-31

Filing date

1971-07-27

Publication date

1976-01-08

1971-07-27 Application filed by ANGLO-TRANSVAAL CONSOLIDATED INVESTMENT Co Ltd filed Critical ANGLO-TRANSVAAL CONSOLIDATED INVESTMENT Co Ltd

1973-02-01 Publication of AU3167471A publication Critical patent/AU3167471A/en

1976-01-08 Application granted granted Critical

1976-01-08 Publication of AU468246B2 publication Critical patent/AU468246B2/en

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/106—Making by using boring or cutting machines with percussive tools, e.g. pick-hammers

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Environmental & Geological Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Earth Drilling (AREA)

AU31674/71A 1970-07-31 1971-07-27 Improvements in rock boring machinery Expired AU468246B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ZA705311*A ZA705311B (en)	1970-07-31	1970-07-31	Improvements in rock boring machinery
ZAZA70/5311		1970-07-31

Publications (2)

Publication Number	Publication Date
AU3167471A AU3167471A (en)	1973-02-01
AU468246B2 true AU468246B2 (en)	1976-01-08

Family

ID=25562328

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU31674/71A Expired AU468246B2 (en)	1970-07-31	1971-07-27	Improvements in rock boring machinery

Country Status (8)

Country	Link
US (1)	US3765725A (en)
JP (1)	JPS5218642B1 (en)
AU (1)	AU468246B2 (en)
CA (1)	CA945181A (en)
DE (1)	DE2138012A1 (en)
GB (1)	GB1352447A (en)
SE (1)	SE383645B (en)
ZA (1)	ZA705311B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4035024A (en) *	1975-12-15	1977-07-12	Jarva, Inc.	Hard rock trench cutting machine
CN106477036A (en) *	2016-11-29	2017-03-08	四川特飞科技股份有限公司	A kind of rectangle combination duct aircraft and its flight control system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1195396A (en) *		1916-08-22		recen
US1659942A (en) *	1926-02-06	1928-02-21	Anthony E Carlson	Rock-tunneling machine
DE609860C (en) *	1930-03-25	1935-02-26	Ludwig Hammer	Rock drilling machine
US2466709A (en) *	1944-10-02	1949-04-12	Richard D Karr	Tunneling machine
US2827274A (en) *	1955-02-11	1958-03-18	Consolidation Coal Co	Continuous mining machine with roof contacting means

1970
- 1970-07-31 ZA ZA705311*A patent/ZA705311B/en unknown
1971
- 1971-07-22 CA CA118,830A patent/CA945181A/en not_active Expired
- 1971-07-26 GB GB3489271A patent/GB1352447A/en not_active Expired
- 1971-07-26 US US00165904A patent/US3765725A/en not_active Expired - Lifetime
- 1971-07-27 AU AU31674/71A patent/AU468246B2/en not_active Expired
- 1971-07-29 DE DE19712138012 patent/DE2138012A1/en active Pending
- 1971-07-29 JP JP46056428A patent/JPS5218642B1/ja active Pending
- 1971-07-30 SE SE7109826A patent/SE383645B/en unknown

Also Published As

Publication number	Publication date
CA945181A (en)	1974-04-09
GB1352447A (en)	1974-05-08
AU3167471A (en)	1973-02-01
US3765725A (en)	1973-10-16
JPS5218642B1 (en)	1977-05-23
DE2138012A1 (en)	1972-02-03
ZA705311B (en)	1971-09-29
SE383645B (en)	1976-03-22

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