GB240254A - Improvements in and relating to coal-cutting and like tools - Google Patents

Improvements in and relating to coal-cutting and like tools

Info

Publication number
GB240254A
GB240254A GB1672124A GB1672124A GB240254A GB 240254 A GB240254 A GB 240254A GB 1672124 A GB1672124 A GB 1672124A GB 1672124 A GB1672124 A GB 1672124A GB 240254 A GB240254 A GB 240254A
Authority
GB
United Kingdom
Prior art keywords
coal
tools
relating
cutting
bar
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
GB1672124A
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.)
JOHN SLATE ANDERSON
Original Assignee
JOHN SLATE ANDERSON
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 JOHN SLATE ANDERSON filed Critical JOHN SLATE ANDERSON
Priority to GB1672124A priority Critical patent/GB240254A/en
Publication of GB240254A publication Critical patent/GB240254A/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
    • E21C25/20—Machines slitting solely by one or more reciprocating sawing implements or reciprocating cutter chains; Shaker conveyors with cutting means

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)
  • Earth Drilling (AREA)

Abstract

240,254. Anderson, J. S. April 7, 1925. Percussive drills.-A percussive drill for coal or rock drilling is furnished with radial cutters f<1> held by means of a nut f<4> in a carrier f secured to the drill bar by a pin f<2>. The usual end cutter is fitted in the socket a<3>, and a number of such carriers f may be arranged along the bar.
GB1672124A 1925-04-07 1925-04-07 Improvements in and relating to coal-cutting and like tools Expired GB240254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1672124A GB240254A (en) 1925-04-07 1925-04-07 Improvements in and relating to coal-cutting and like tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1672124A GB240254A (en) 1925-04-07 1925-04-07 Improvements in and relating to coal-cutting and like tools

Publications (1)

Publication Number Publication Date
GB240254A true GB240254A (en) 1925-10-01

Family

ID=10082441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1672124A Expired GB240254A (en) 1925-04-07 1925-04-07 Improvements in and relating to coal-cutting and like tools

Country Status (1)

Country Link
GB (1) GB240254A (en)

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