GB1509387A - Tunnelling machine - Google Patents

Tunnelling machine

Info

Publication number
GB1509387A
GB1509387A GB2754675A GB2754675A GB1509387A GB 1509387 A GB1509387 A GB 1509387A GB 2754675 A GB2754675 A GB 2754675A GB 2754675 A GB2754675 A GB 2754675A GB 1509387 A GB1509387 A GB 1509387A
Authority
GB
United Kingdom
Prior art keywords
tool
machine
tunnelling machine
carrier
tunnelling
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
GB2754675A
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.)
Hausherr & Soehne Maschf
Original Assignee
Hausherr & Soehne Maschf
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 by Hausherr & Soehne Maschf filed Critical Hausherr & Soehne Maschf
Publication of GB1509387A publication Critical patent/GB1509387A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
    • E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools

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)
  • Rolling Contact Bearings (AREA)

Abstract

1509387 Impactors MASCHINENFABRIK RUDOLF HAUSHERR & SOHNE KG 30 June 1975 [29 July 1974] 27546/75 Heading E1F [Also in Division B4] In a tunnelling machine an impelling tool 8 is mounted in a tool carrier 4 at the end of an arm 1 of the machine by a bearing 3 which is located below the centre of gravity of the carrier and tool combination. Horizontal pivotal movement is provided by jacks 7.
GB2754675A 1974-06-29 1975-06-30 Tunnelling machine Expired GB1509387A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7422194 1974-06-29

Publications (1)

Publication Number Publication Date
GB1509387A true GB1509387A (en) 1978-05-04

Family

ID=6645572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2754675A Expired GB1509387A (en) 1974-06-29 1975-06-30 Tunnelling machine

Country Status (2)

Country Link
FR (1) FR2276454A1 (en)
GB (1) GB1509387A (en)

Also Published As

Publication number Publication date
FR2276454A1 (en) 1976-01-23
FR2276454B3 (en) 1979-02-23

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee