ZA721888B - Hydraulic impactor methods and apparatus - Google Patents

Hydraulic impactor methods and apparatus

Info

Publication number
ZA721888B
ZA721888B ZA721888A ZA721888A ZA721888B ZA 721888 B ZA721888 B ZA 721888B ZA 721888 A ZA721888 A ZA 721888A ZA 721888 A ZA721888 A ZA 721888A ZA 721888 B ZA721888 B ZA 721888B
Authority
ZA
South Africa
Prior art keywords
hydraulic impactor
methods
impactor methods
hydraulic
impactor
Prior art date
Application number
ZA721888A
Inventor
E Galle
Original Assignee
Hughes Tool 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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of ZA721888B publication Critical patent/ZA721888B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H43/00—Other fluid gearing, e.g. with oscillating input or output

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Percussive Tools And Related Accessories (AREA)
ZA721888A 1971-04-05 1972-03-20 Hydraulic impactor methods and apparatus ZA721888B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13112371A 1971-04-05 1971-04-05

Publications (1)

Publication Number Publication Date
ZA721888B true ZA721888B (en) 1972-12-27

Family

ID=22447986

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA721888A ZA721888B (en) 1971-04-05 1972-03-20 Hydraulic impactor methods and apparatus

Country Status (5)

Country Link
US (1) US3699675A (en)
AU (1) AU451335B2 (en)
CA (1) CA934271A (en)
GB (1) GB1391796A (en)
ZA (1) ZA721888B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE440873B (en) * 1981-02-11 1985-08-26 Atlas Copco Ab HYDRAULIC SUSPENSION WITH REFLEX DUMPERS INCLUDING LOCK SPLACES IN SERIES WITH CUTTING NOZZLE
SE535068C2 (en) * 2010-04-01 2012-04-03 Atlas Copco Rock Drills Ab Rock drilling machine and its use to prevent the formation and spread of cavitation bubbles
WO2019022021A1 (en) * 2017-07-24 2019-01-31 古河ロックドリル株式会社 Hydraulic hammering device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960828A (en) * 1957-03-22 1960-11-22 Gardner S Gould Fluid pressure power system
US2941475A (en) * 1957-05-24 1960-06-21 Dynex Inc Hydraulic pump
US3115751A (en) * 1960-07-11 1963-12-31 Applied Power Ind Inc Hydraulic reciprocatory device

Also Published As

Publication number Publication date
GB1391796A (en) 1975-04-23
AU4035172A (en) 1973-09-27
AU451335B2 (en) 1974-07-10
CA934271A (en) 1973-09-25
US3699675A (en) 1972-10-24

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