CA1112204A - Methode et dispositif d'extraction et de transport de la terre et du sable, de pierre et de roc, de minerais et de produits analogues - Google Patents

Methode et dispositif d'extraction et de transport de la terre et du sable, de pierre et de roc, de minerais et de produits analogues

Info

Publication number
CA1112204A
CA1112204A CA361,640A CA361640A CA1112204A CA 1112204 A CA1112204 A CA 1112204A CA 361640 A CA361640 A CA 361640A CA 1112204 A CA1112204 A CA 1112204A
Authority
CA
Canada
Prior art keywords
hopper
sieve
dug
conveyor
conveyor means
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.)
Expired
Application number
CA361,640A
Other languages
English (en)
Inventor
Masaaki Kubo
Yasutaka Onodera
Hiroshi Kawaguchi
Masaharu Sibata
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.)
Mitsubishi Mining and Cement Co Ltd
Original Assignee
Mitsubishi Mining and Cement 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.)
Filing date
Publication date
Priority claimed from JP8730377A external-priority patent/JPS5423001A/ja
Application filed by Mitsubishi Mining and Cement Co Ltd filed Critical Mitsubishi Mining and Cement Co Ltd
Priority to CA361,640A priority Critical patent/CA1112204A/fr
Application granted granted Critical
Publication of CA1112204A publication Critical patent/CA1112204A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
CA361,640A 1977-07-22 1980-10-06 Methode et dispositif d'extraction et de transport de la terre et du sable, de pierre et de roc, de minerais et de produits analogues Expired CA1112204A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA361,640A CA1112204A (fr) 1977-07-22 1980-10-06 Methode et dispositif d'extraction et de transport de la terre et du sable, de pierre et de roc, de minerais et de produits analogues

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP8730377A JPS5423001A (en) 1977-07-22 1977-07-22 Opencut mining method and apparatus
JP87303/77 1977-07-22
CA307,320A CA1090280A (fr) 1977-07-22 1978-07-13 Appareil et methode pour creuser et transporter la terre, le sable, les pierres et autres matieres minerales
CA361,640A CA1112204A (fr) 1977-07-22 1980-10-06 Methode et dispositif d'extraction et de transport de la terre et du sable, de pierre et de roc, de minerais et de produits analogues

Publications (1)

Publication Number Publication Date
CA1112204A true CA1112204A (fr) 1981-11-10

Family

ID=27165745

Family Applications (1)

Application Number Title Priority Date Filing Date
CA361,640A Expired CA1112204A (fr) 1977-07-22 1980-10-06 Methode et dispositif d'extraction et de transport de la terre et du sable, de pierre et de roc, de minerais et de produits analogues

Country Status (1)

Country Link
CA (1) CA1112204A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry