CA883167A - Tunnel boring apparatus - Google Patents

Tunnel boring apparatus

Info

Publication number: CA883167A
Authority: CA; Canada
Prior art keywords: tunnel boring; boring apparatus; tunnel; boring
Prior art date: 1971-10-12
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

CA883167A

Inventor

Kampf-Emden Gerhard

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.)

Mannesmann Demag AG

Original Assignee

Demag AG

Publication date

1971-10-12

1971-10-12 Application granted granted Critical

1971-10-12 Publication of CA883167A publication Critical patent/CA883167A/en

Status Expired legal-status Critical Current

Links

CA883167A Tunnel boring apparatus Expired CA883167A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA883167T

Publications (1)

Publication Number	Publication Date
CA883167A true CA883167A (en)	1971-10-12

Family

ID=36368917

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA883167A Expired CA883167A (en)			Tunnel boring apparatus

Country Status (1)

Country	Link
CA (1)	CA883167A (en)

0
- CA CA883167A patent/CA883167A/en not_active Expired

Similar Documents

Publication	Publication Date	Title
CA970146A (en)	1975-07-01	Drilling
CA938939A (en)	1973-12-25	Retractable drill bit apparatus
CA937229A (en)	1973-11-20	Drilling apparatus
CA960707A (en)	1975-01-07	Mining method
CA982615A (en)	1976-01-27	Tunnelling apparatus
CA957182A (en)	1974-11-05	Boring and facing apparatus
CA944981A (en)	1974-04-09	Drilling apparatus
AU471963B2 (en)	1976-05-13	Apparatus for surveying boreholes
CA945539A (en)	1974-04-16	Drilling apparatus
CA883167A (en)	1971-10-12	Tunnel boring apparatus
AU477407B2 (en)	1975-01-09	Drilling apparatus
CA872672A (en)	1971-06-08	Earth boring apparatus
CA865577A (en)	1971-03-09	Earth boring apparatus
AU477379B2 (en)	1973-04-12	Drilling apparatus
AU477380B2 (en)	1973-04-12	Drilling apparatus
CA867216A (en)	1971-03-30	Drilling apparatus
CA948891A (en)	1974-06-11	Drilling apparatus
AU457353B2 (en)	1975-01-23	Drill
CA874846A (en)	1971-07-06	Rock drilling apparatus
CA853064A (en)	1970-10-06	Earth boring apparatus
AU2642371A (en)	1972-09-14	Drilling apparatus
AU3799472A (en)	1973-07-19	Drilling apparatus
AU477341B2 (en)	1973-04-12	Drilling apparatus
CA832875A (en)	1970-01-27	Drilling apparatus
CA880004A (en)	1971-09-07	Flushing apparatus