ZA702286B - Rock drill - Google Patents

Rock drill

Info

Publication number
ZA702286B
ZA702286B ZA702286A ZA702286A ZA702286B ZA 702286 B ZA702286 B ZA 702286B ZA 702286 A ZA702286 A ZA 702286A ZA 702286 A ZA702286 A ZA 702286A ZA 702286 B ZA702286 B ZA 702286B
Authority
ZA
South Africa
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
ZA702286A
Inventor
E Krasnoff
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 ZA702286B publication Critical patent/ZA702286B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S173/00—Tool driving or impacting
    • Y10S173/04—Liquid operated

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
ZA702286A 1969-05-22 1970-04-07 Rock drill ZA702286B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82692369A 1969-05-22 1969-05-22

Publications (1)

Publication Number Publication Date
ZA702286B true ZA702286B (en) 1972-02-23

Family

ID=25247855

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA702286A ZA702286B (en) 1969-05-22 1970-04-07 Rock drill

Country Status (8)

Country Link
US (1) US3620312A (en)
JP (1) JPS4932401B1 (en)
CA (1) CA922208A (en)
DE (1) DE2022490C3 (en)
FR (1) FR2048623A5 (en)
GB (1) GB1302759A (en)
SE (1) SE363474B (en)
ZA (1) ZA702286B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE391219C (en) * 1973-08-02 1985-08-22 Atlas Copco Ab HYDRAULIC PERFORMANCE PROVIDED FOR MOUNTAIN DRILLING
US3918532A (en) * 1974-05-10 1975-11-11 Chicago Pneumatic Tool Co Hydraulic tool
CH584591A5 (en) * 1974-05-20 1977-02-15 Bosch Gmbh Robert
US3918531A (en) * 1974-06-14 1975-11-11 Chicago Pneumatic Tool Co Hydraulic rock drill having automatic carriage feed
US4550785A (en) * 1976-04-28 1985-11-05 Consolidated Technologies Corporation Hammer
US4282937A (en) * 1976-04-28 1981-08-11 Joy Manufacturing Company Hammer
FI83691C (en) * 1986-05-09 1991-08-12 Tampella Oy Ab Headrest support device in a drill
DE4008750A1 (en) * 1990-03-19 1991-09-26 Hilti Ag Fixing device-driving tool - incorporates rotary drill and bolt-setting mechanism
US5957220A (en) * 1995-10-17 1999-09-28 Dresser-Rand Company Percussion drill assembly
US5662180A (en) * 1995-10-17 1997-09-02 Dresser-Rand Company Percussion drill assembly
FI108668B (en) * 1999-07-02 2002-02-28 Sandvik Tamrock Oy Rock drill and mounting frame
JP3818438B2 (en) * 2001-12-14 2006-09-06 独立行政法人産業技術総合研究所 Downhole driven percussion drill
SE536289C2 (en) * 2011-04-05 2013-08-06 Atlas Copco Rock Drills Ab Hydraulic percussion for rock or concrete cutting equipment as well as drilling and breaking equipment
SE537720C2 (en) * 2012-11-21 2015-10-06 Atlas Copco Rock Drills Ab Device at a bobbin head for a rock drill and rock drill
CN103410439B (en) * 2013-08-29 2015-12-02 潍坊天瑞重工凿岩机械有限公司 The hammer drill of rubber corselet shoulder type six side drill steel can be cooled

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1703840A (en) * 1920-01-02 1929-02-26 Sullivan Machinery Co Percussive motor
US2743741A (en) * 1952-09-29 1956-05-01 Techron Ltd Hydraulic accumulator
US3183668A (en) * 1959-11-30 1965-05-18 Hydra Might Company Percussion type rock drills
GB1033739A (en) * 1962-06-19 1966-06-22 Keelavite Hydraulics Ltd Hydraulically-operated reciprocating apparatus
US3408897A (en) * 1964-11-18 1968-11-05 Champion Inc Fluid power hammer having accumulator means to drive the hammer through its working stroke independent of the system pump
GB1159465A (en) * 1966-07-06 1969-07-23 Hugo Cordes Control for a Ramming Hammer with Hydraulic Drive

Also Published As

Publication number Publication date
DE2022490A1 (en) 1970-11-26
FR2048623A5 (en) 1971-03-19
DE2022490C3 (en) 1974-01-10
GB1302759A (en) 1973-01-10
SE363474B (en) 1974-01-21
CA922208A (en) 1973-03-06
DE2022490B2 (en) 1973-06-14
US3620312A (en) 1971-11-16
JPS4932401B1 (en) 1974-08-30

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