GB1296476A - - Google Patents

Info

Publication number
GB1296476A
GB1296476A GB1296476DA GB1296476A GB 1296476 A GB1296476 A GB 1296476A GB 1296476D A GB1296476D A GB 1296476DA GB 1296476 A GB1296476 A GB 1296476A
Authority
GB
United Kingdom
Prior art keywords
piston
passage
air
ports
anvil
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 GB1296476A publication Critical patent/GB1296476A/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

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)
  • Percussive Tools And Related Accessories (AREA)
GB1296476D 1969-10-06 1970-07-23 Expired GB1296476A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86398869A 1969-10-06 1969-10-06

Publications (1)

Publication Number Publication Date
GB1296476A true GB1296476A (ko) 1972-11-15

Family

ID=25342268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1296476D Expired GB1296476A (ko) 1969-10-06 1970-07-23

Country Status (3)

Country Link
US (1) US3606930A (ko)
CA (1) CA925071A (ko)
GB (1) GB1296476A (ko)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3692122A (en) * 1970-12-23 1972-09-19 Baker Oil Tools Inc High frequency pneumatically actuated drilling hammer
US3838741A (en) * 1972-05-09 1974-10-01 C Pepe Pile hammers
US3866746A (en) * 1973-08-27 1975-02-18 Bakerdrill Inc Rotary bore hole air hammer drive mechanism
US3964551A (en) * 1974-09-20 1976-06-22 Reed Tool Company Pneumatic impact drilling tool
US4014249A (en) * 1975-09-18 1977-03-29 Florida Pneumatic Manufacturing Corporation Pneumatically actuated sanding tool
US4084646A (en) * 1976-02-19 1978-04-18 Ingersoll-Rand Company Fluid actuated impact tool
AU503750B2 (en) * 1976-07-13 1979-09-20 William Lister Rock drilling bit
US4050525A (en) * 1976-09-02 1977-09-27 Kennametal Inc. Down-the-hole hammer
US4446929A (en) * 1979-06-11 1984-05-08 Dresser Industries, Inc. Fluid operated rock drill hammer
US5131476A (en) * 1990-12-18 1992-07-21 Percussion Drilling, Inc. Down hole percussion drill apparatus
US5277260A (en) * 1993-02-24 1994-01-11 Ranck Gerald L Air hammer
US5794516A (en) * 1995-08-30 1998-08-18 Ingersoll-Rand Company Piston for a self-lubricating, fluid-actuated, percussive down-the-hole drill
US5562170A (en) * 1995-08-30 1996-10-08 Ingersoll-Rand Company Self-lubricating, fluid-actuated, percussive down-the-hole drill
AUPP426398A0 (en) * 1998-06-22 1998-07-16 Azuko Pty Ltd A component mounting method and apparatus for a percussion tool
IES20020794A2 (en) * 2002-10-04 2003-02-19 Minroc Techn Promotions Ltd A down-the-hole hammer
US10415314B2 (en) 2015-07-08 2019-09-17 Halliburton Energy Services, Inc. Downhole mechanical percussive hammer drill assembly
FI127993B (en) * 2017-08-31 2019-07-15 Pirkan Laatupalvelu Oy Fluid driven drilling rig

Also Published As

Publication number Publication date
US3606930A (en) 1971-09-21
CA925071A (en) 1973-04-24

Similar Documents

Publication Publication Date Title
GB1296476A (ko)
GB1522932A (en) Fluid actuated impact tool
US2887989A (en) Pneumatic rotary drill hammer
US4312412A (en) Fluid operated rock drill hammer
US2661928A (en) Hammer drill
GB1252512A (ko)
US3045768A (en) Fluid operated percussion drill
GB1498487A (en) Pneumatically-actuated impact drilling tool
US4446929A (en) Fluid operated rock drill hammer
GB1491393A (en) Formation sampling apparatus
GB1445502A (en) Bore hole hammer drill
GB1275900A (en) A pressure fluid operated percussion tool
GB1248895A (en) Fluid actuated impact apparatus
US3198264A (en) Double head piston downhole drill
US4705119A (en) Annular air-hammer apparatus for drilling holes
US4133393A (en) Down-the-hole percussion drills
US3826316A (en) Pneumatic impact tool
GB1419279A (en) Percussion earth drilling apparatus
GB749328A (en) Fluid actuated reciprocatory prime mover
GB1246388A (en) Down-hole fluid percussion drill for earth boring
GB1302759A (ko)
GB1269581A (en) Improvements in and relating to pneumatic drills
GB929818A (en) Hydraulic actuated borehole drilling apparatus
GB1437420A (en) Method and apparatus for drilling in an earth formation
GB328629A (en) Improvements in or relating to deep drilling apparatus

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee