GB1295142A - - Google Patents

Info

Publication number
GB1295142A
GB1295142A GB1295142DA GB1295142A GB 1295142 A GB1295142 A GB 1295142A GB 1295142D A GB1295142D A GB 1295142DA GB 1295142 A GB1295142 A GB 1295142A
Authority
GB
United Kingdom
Prior art keywords
drive
piston
drive piston
july
impact
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)
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 filed Critical
Publication of GB1295142A publication Critical patent/GB1295142A/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
    • E21B1/00—Percussion drilling
    • E21B1/12—Percussion drilling with a reciprocating impulse member
    • E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/30—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure
    • E21B1/32—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure working with pulses
    • E21B1/34—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure working with pulses the impulse member being a piston of an internal-combustion engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Portable Nailing Machines And Staplers (AREA)
GB1295142D 1969-07-07 1970-07-06 Expired GB1295142A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE09589/69A SE340260B (enrdf_load_stackoverflow) 1969-07-07 1969-07-07

Publications (1)

Publication Number Publication Date
GB1295142A true GB1295142A (enrdf_load_stackoverflow) 1972-11-01

Family

ID=20277037

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295142D Expired GB1295142A (enrdf_load_stackoverflow) 1969-07-07 1970-07-06

Country Status (7)

Country Link
CS (1) CS171215B2 (enrdf_load_stackoverflow)
DE (1) DE2033381A1 (enrdf_load_stackoverflow)
ES (1) ES192366Y (enrdf_load_stackoverflow)
FR (1) FR2054221A5 (enrdf_load_stackoverflow)
GB (1) GB1295142A (enrdf_load_stackoverflow)
NO (1) NO128455B (enrdf_load_stackoverflow)
SE (1) SE340260B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2054221A5 (enrdf_load_stackoverflow) 1971-04-16
NO128455B (enrdf_load_stackoverflow) 1973-11-19
ES192366Y (es) 1975-02-16
DE2033381A1 (de) 1971-01-14
ES192366U (es) 1974-11-01
CS171215B2 (enrdf_load_stackoverflow) 1976-10-29
SE340260B (enrdf_load_stackoverflow) 1971-11-15

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee