GB355587A - Improvements in feeding devices for percussive tools - Google Patents

Improvements in feeding devices for percussive tools

Info

Publication number
GB355587A
GB355587A GB32835/30A GB3283530A GB355587A GB 355587 A GB355587 A GB 355587A GB 32835/30 A GB32835/30 A GB 32835/30A GB 3283530 A GB3283530 A GB 3283530A GB 355587 A GB355587 A GB 355587A
Authority
GB
United Kingdom
Prior art keywords
tool
screw
percussive tools
feeding devices
handcontrolled
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
GB32835/30A
Other languages
English (en)
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of GB355587A publication Critical patent/GB355587A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/081—Screw-and-nut feed mechanisms

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)
  • Drilling And Boring (AREA)
GB32835/30A 1930-01-30 1930-10-31 Improvements in feeding devices for percussive tools Expired GB355587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US355587XA 1930-01-30 1930-01-30

Publications (1)

Publication Number Publication Date
GB355587A true GB355587A (en) 1931-08-27

Family

ID=21883438

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32835/30A Expired GB355587A (en) 1930-01-30 1930-10-31 Improvements in feeding devices for percussive tools

Country Status (4)

Country Link
BE (1) BE374713A (enrdf_load_stackoverflow)
DE (1) DE559509C (enrdf_load_stackoverflow)
FR (1) FR704831A (enrdf_load_stackoverflow)
GB (1) GB355587A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR704831A (fr) 1931-05-27
DE559509C (de) 1932-09-21
BE374713A (enrdf_load_stackoverflow)

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