GB291611A - Improvements in or relating to portable boring apparatus in mines - Google Patents

Improvements in or relating to portable boring apparatus in mines

Info

Publication number
GB291611A
GB291611A GB15880/27A GB1588027A GB291611A GB 291611 A GB291611 A GB 291611A GB 15880/27 A GB15880/27 A GB 15880/27A GB 1588027 A GB1588027 A GB 1588027A GB 291611 A GB291611 A GB 291611A
Authority
GB
United Kingdom
Prior art keywords
mines
relating
boring apparatus
portable boring
portable
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
GB15880/27A
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.)
WILLIAM EWART THOMAS
Original Assignee
WILLIAM EWART THOMAS
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 WILLIAM EWART THOMAS filed Critical WILLIAM EWART THOMAS
Priority to GB15880/27A priority Critical patent/GB291611A/en
Publication of GB291611A publication Critical patent/GB291611A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/006Means for anchoring the drilling machine to the ground

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

291,611. Thomas, W. E. June 15, 1927. Drilling.-A back support, for a portable mining drill comprises a metal pin A which is inserted in a drilled hole in the roof or floor adjacent the face to be bored and is provided with holes 1, 2 either of which may support the end of the drilling apparatus.
GB15880/27A 1927-06-15 1927-06-15 Improvements in or relating to portable boring apparatus in mines Expired GB291611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB15880/27A GB291611A (en) 1927-06-15 1927-06-15 Improvements in or relating to portable boring apparatus in mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB15880/27A GB291611A (en) 1927-06-15 1927-06-15 Improvements in or relating to portable boring apparatus in mines

Publications (1)

Publication Number Publication Date
GB291611A true GB291611A (en) 1928-06-07

Family

ID=10067182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15880/27A Expired GB291611A (en) 1927-06-15 1927-06-15 Improvements in or relating to portable boring apparatus in mines

Country Status (1)

Country Link
GB (1) GB291611A (en)

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