GB1232915A - - Google Patents

Info

Publication number
GB1232915A
GB1232915A GB1232915DA GB1232915A GB 1232915 A GB1232915 A GB 1232915A GB 1232915D A GB1232915D A GB 1232915DA GB 1232915 A GB1232915 A GB 1232915A
Authority
GB
United Kingdom
Prior art keywords
carrier
drum
cutters
march
cutter
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
Other languages
English (en)
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 filed Critical
Publication of GB1232915A publication Critical patent/GB1232915A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • E21C25/10—Rods; Drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB1232915D 1969-03-19 1969-03-19 Expired GB1232915A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1453569 1969-03-19

Publications (1)

Publication Number Publication Date
GB1232915A true GB1232915A (enExample) 1971-05-26

Family

ID=10042957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1232915D Expired GB1232915A (enExample) 1969-03-19 1969-03-19

Country Status (1)

Country Link
GB (1) GB1232915A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2376473C1 (ru) * 2008-05-13 2009-12-20 Государственное образовательное учреждение высшего профессионального образования"Московский государственный горный университет" (МГГУ) Исполнительный орган проходческого щита овальной формы
WO2013126944A1 (en) 2012-03-01 2013-09-06 Commonwealth Scientific And Industrial Research Organisation A cutting drum and method of designing a cutting drum

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2376473C1 (ru) * 2008-05-13 2009-12-20 Государственное образовательное учреждение высшего профессионального образования"Московский государственный горный университет" (МГГУ) Исполнительный орган проходческого щита овальной формы
WO2013126944A1 (en) 2012-03-01 2013-09-06 Commonwealth Scientific And Industrial Research Organisation A cutting drum and method of designing a cutting drum
US10366177B2 (en) 2012-03-01 2019-07-30 Commonwealth Scientific And Industrial Research Organisation Cutting drum and method of designing a cutting drum
EP2820242B1 (en) * 2012-03-01 2020-08-12 Commonwealth Scientific and Industrial Research Organisation A cutting drum and method of designing a cutting drum

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees