GB689415A - - Google Patents

Info

Publication number
GB689415A
GB689415A GB689415DA GB689415A GB 689415 A GB689415 A GB 689415A GB 689415D A GB689415D A GB 689415DA GB 689415 A GB689415 A GB 689415A
Authority
GB
United Kingdom
Prior art keywords
tooth
vibrations
cutter head
arm
sleeve
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)
Publication date
Publication of GB689415A publication Critical patent/GB689415A/en
Expired legal-status Critical Current

Links

Landscapes

  • Sawing (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
GB689415D Expired GB689415A (enExample)

Publications (1)

Publication Number Publication Date
GB689415A true GB689415A (enExample) 1900-01-01

Family

ID=1750605

Family Applications (1)

Application Number Title Priority Date Filing Date
GB689415D Expired GB689415A (enExample)

Country Status (1)

Country Link
GB (1) GB689415A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1232901B (de) * 1963-11-20 1967-01-26 Demag Ag Tunnelvortriebsmaschine
FR2477219A1 (fr) * 1980-01-11 1981-09-04 Coal Industry Patents Ltd Support d'outil sensible d'abattage et ensemble le comportant pour machine de mine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1232901B (de) * 1963-11-20 1967-01-26 Demag Ag Tunnelvortriebsmaschine
FR2477219A1 (fr) * 1980-01-11 1981-09-04 Coal Industry Patents Ltd Support d'outil sensible d'abattage et ensemble le comportant pour machine de mine

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