ZA772689B - Method and apparatus for breaking a hard compact material such as a rock or concrete - Google Patents

Method and apparatus for breaking a hard compact material such as a rock or concrete

Info

Publication number
ZA772689B
ZA772689B ZA00772689A ZA772689A ZA772689B ZA 772689 B ZA772689 B ZA 772689B ZA 00772689 A ZA00772689 A ZA 00772689A ZA 772689 A ZA772689 A ZA 772689A ZA 772689 B ZA772689 B ZA 772689B
Authority
ZA
South Africa
Prior art keywords
rock
breaking
concrete
compact material
hard compact
Prior art date
Application number
ZA00772689A
Other languages
English (en)
Inventor
G Cooper
Original Assignee
Cerac Inst Sa
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 Cerac Inst Sa filed Critical Cerac Inst Sa
Publication of ZA772689B publication Critical patent/ZA772689B/xx

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
    • B25D9/14—Control devices for the reciprocating piston
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/04—Other methods or devices for dislodging with or without loading by devices with parts pressed mechanically against the wall of a borehole or a slit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/171—Percussive pulling action of tools for extraction of elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
ZA00772689A 1976-05-25 1977-05-05 Method and apparatus for breaking a hard compact material such as a rock or concrete ZA772689B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH657576A CH601644A5 (US07922777-20110412-C00004.png) 1976-05-25 1976-05-25

Publications (1)

Publication Number Publication Date
ZA772689B true ZA772689B (en) 1978-04-26

Family

ID=4311758

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00772689A ZA772689B (en) 1976-05-25 1977-05-05 Method and apparatus for breaking a hard compact material such as a rock or concrete

Country Status (7)

Country Link
US (1) US4114950A (US07922777-20110412-C00004.png)
CA (1) CA1064464A (US07922777-20110412-C00004.png)
CH (1) CH601644A5 (US07922777-20110412-C00004.png)
DE (1) DE2630091C3 (US07922777-20110412-C00004.png)
GB (1) GB1535027A (US07922777-20110412-C00004.png)
SE (1) SE424898B (US07922777-20110412-C00004.png)
ZA (1) ZA772689B (US07922777-20110412-C00004.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152028A (en) * 1978-02-24 1979-05-01 The United States Of America As Represented By The United States Department Of Energy Expansible apparatus for removing the surface layer from a concrete object
US5065823A (en) * 1987-02-10 1991-11-19 Abraham Gien Extraction device for pneumatically actuated drilling tools
US5108400A (en) * 1988-01-21 1992-04-28 Aesculap Ag Striking tool for surgical instruments
CH681362A5 (US07922777-20110412-C00004.png) * 1990-04-20 1993-03-15 Integral Medizintechnik
US5215691A (en) * 1990-09-05 1993-06-01 The Dow Chemical Company Method of forming a coextruded foam composite
US5163519A (en) * 1992-02-10 1992-11-17 Florida Pneumatic Manufacturing Corp. Pneumatically driven reverse impact device
EP0617926B1 (de) * 1993-03-30 1998-08-05 Imt Integral Medizintechnik Ag Pneumatisches Schlagwerkzeug
US5816342A (en) * 1997-01-27 1998-10-06 Columbia Gas Distribution Companies Small diameter impact boring tool
SE0202373L (sv) * 2002-08-07 2004-02-08 Atlas Copco Rock Drills Ab Anordning för spräckning av stenblock
SE531658C2 (sv) * 2006-10-02 2009-06-23 Atlas Copco Rock Drills Ab Slagverk jämte bergborrmaskin och bergborrigg
RU2471986C1 (ru) * 2011-07-26 2013-01-10 Учреждение Российской академии наук Институт горного дела Сибирского отделения РАН Скважинное устройство для образования направленных трещин
DE102013206565B4 (de) * 2013-04-12 2016-08-25 Darda GmbH Spaltgerät
KR101412092B1 (ko) * 2013-11-28 2014-07-02 주식회사 엔와이테크 저소음형 유압 타격 장치
USD741374S1 (en) * 2014-02-21 2015-10-20 Kuhn North America, Inc. Hammer for a spreader apparatus
AU2018273349B2 (en) 2017-05-25 2023-06-08 GCP Applied Technologies, Inc. Expanding nozzle for component additions in a concrete truck, and method and system for use of same
CN109356586B (zh) * 2018-12-14 2023-08-15 新乡市威达机械有限公司 钻孔和起煤一体的高效整煤开采装置及其使用方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1463134A (en) * 1923-07-24 Shank and bit punch
US1648096A (en) * 1925-07-15 1927-11-08 Sullivan Machinery Co Rock channeler
US1884946A (en) * 1929-11-20 1932-10-25 Sullivan Machinery Co Dislodging device
DE933328C (de) * 1953-10-13 1956-05-03 Wilhelm Weghuber Verfahren zum Verbinden von Gesteinsschichten mittels Gesteinsanker im Bergbau und Mittel zur Ausuebung des Verfahrens
SE305842B (US07922777-20110412-C00004.png) * 1965-08-11 1968-11-11 H Darda
US3568657A (en) * 1968-03-08 1971-03-09 Leonard L Gue Rock-breaking tool
US3488093A (en) * 1969-02-14 1970-01-06 Helmut Darda Pressure breaker
DE2340751C2 (de) * 1973-08-11 1974-09-26 Tracto-Technik Paul Schmidt, 5940 Lennestadt Steuervorrichtung für den Vor- und Rücklauf von Rammbohrgeräten

Also Published As

Publication number Publication date
CH601644A5 (US07922777-20110412-C00004.png) 1978-07-14
CA1064464A (en) 1979-10-16
GB1535027A (en) 1978-12-06
DE2630091C3 (de) 1980-04-30
DE2630091A1 (de) 1977-12-01
DE2630091B2 (de) 1979-08-16
US4114950A (en) 1978-09-19
SE424898B (sv) 1982-08-16
SE7706090L (sv) 1977-11-26

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