ZA728781B - Power hammer,especially percussion hammer or percussion hammer drill - Google Patents

Power hammer,especially percussion hammer or percussion hammer drill

Info

Publication number: ZA728781B
Authority: ZA; South Africa
Prior art keywords: hammer; percussion; percussion hammer; power; drill
Prior art date: 1971-12-17

Application number

ZA728781A

Other languages

English (en)

Inventor

A Meyer

Original Assignee

A Meyer

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.)

1971-12-17

Filing date

1972-12-12

Publication date

1973-08-29

1972-12-12 Application filed by A Meyer filed Critical A Meyer

1973-08-29 Publication of ZA728781B publication Critical patent/ZA728781B/xx

Links

238000009527 percussion Methods 0.000 title 2

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
- 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
- B25D9/14—Control devices for the reciprocating piston
- B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
- 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
- E21B1/36—Tool-carrier piston type, i.e. in which the tool is connected to an impulse member

Landscapes

Engineering & Computer Science (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Mining & Mineral Resources (AREA)
Environmental & Geological Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)
Percussive Tools And Related Accessories (AREA)
Drilling And Exploitation, And Mining Machines And Methods (AREA)

ZA728781A 1971-12-17 1972-12-12 Power hammer,especially percussion hammer or percussion hammer drill ZA728781B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1841371A CH540425A (de)	1971-12-17	1971-12-17	Schlag- oder Schlagbohrhammer

Publications (1)

Publication Number	Publication Date
ZA728781B true ZA728781B (en)	1973-08-29

Family

ID=4432819

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA728781A ZA728781B (en)	1971-12-17	1972-12-12	Power hammer,especially percussion hammer or percussion hammer drill

Country Status (10)

Country	Link
JP (1)	JPS4867101A (fr)
AU (1)	AU5015672A (fr)
BE (1)	BE791962A (fr)
CH (1)	CH540425A (fr)
DE (1)	DE2253273A1 (fr)
ES (1)	ES410229A1 (fr)
FR (1)	FR2165470A5 (fr)
IT (1)	IT971733B (fr)
NL (1)	NL7215685A (fr)
ZA (1)	ZA728781B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3995700A (en) *	1975-10-14	1976-12-07	Gardner-Denver Company	Hydraulic rock drill system
JPS5910237Y2 (ja) *	1976-06-07	1984-03-30	古河鉱業株式会社	坑内用大形さく岩機

0
- BE BE791962D patent/BE791962A/fr unknown
1971
- 1971-12-17 CH CH1841371A patent/CH540425A/de not_active IP Right Cessation
1972
- 1972-09-30 JP JP47098584A patent/JPS4867101A/ja active Pending
- 1972-10-31 DE DE2253273A patent/DE2253273A1/de active Pending
- 1972-11-20 NL NL7215685A patent/NL7215685A/xx unknown
- 1972-12-11 FR FR7244033A patent/FR2165470A5/fr not_active Expired
- 1972-12-12 ZA ZA728781A patent/ZA728781B/xx unknown
- 1972-12-12 IT IT32750/72A patent/IT971733B/it active
- 1972-12-15 AU AU50156/72A patent/AU5015672A/en not_active Expired
- 1972-12-16 ES ES410229A patent/ES410229A1/es not_active Expired

Also Published As

Publication number	Publication date
CH540425A (de)	1973-08-15
FR2165470A5 (fr)	1973-08-03
BE791962A (fr)	1973-03-16
IT971733B (it)	1974-05-10
ES410229A1 (es)	1975-12-01
NL7215685A (fr)	1973-06-19
DE2253273A1 (de)	1973-06-28
AU5015672A (en)	1974-06-20
JPS4867101A (fr)	1973-09-13

Publication	Publication Date	Title
AU467588B2 (en)	1975-12-04	Hammer drill mechanism
ZA724192B (en)	1973-03-28	Electric hammer drill
AU467016B2 (en)	1975-11-13	Percussion bits
AT315053B (de)	1974-05-10	Hammerbohrmaschine
ZA712380B (en)	1972-01-26	Hammer drill
NL177575B (nl)	1985-05-17	Elektrisch aangedreven boorhamer.
GB1542139A (en)	1979-03-14	Deep drill hammer
ZA722924B (en)	1973-02-28	Rock drill
AU460979B2 (en)	1975-05-15	Drill bit
CA921715A (en)	1973-02-27	Percussion hammer
CA986752A (en)	1976-04-06	Hammer drill
NL7411496A (nl)	1975-03-04	Boorhamer.
AU6345773A (en)	1975-06-12	Percussion drill
CA946825A (en)	1974-05-07	Drill bit
AU5520373A (en)	1974-11-07	Rock drills
AU450595B2 (en)	1972-11-30	Percussion hammer
AU479248B2 (en)	1976-01-08	Borehole hammer drill
CH540425A (de)	1973-08-15	Schlag- oder Schlagbohrhammer
CA853062A (en)	1970-10-06	Percussive well drill bit
CA868711A (en)	1971-04-20	Percussion hammer
CA901563A (en)	1972-05-30	Percussion drill bit
CA856648A (en)	1970-11-24	Percussion bit
CA874843A (en)	1971-07-06	Valve-type percussion drill bit
CA795200A (en)	1968-09-24	Power hammer drill
ZA726020B (en)	1973-12-19	Percussive drill connection