CA1140167A - Material fracturing apparatus - Google Patents

Material fracturing apparatus

Info

Publication number
CA1140167A
CA1140167A CA000387968A CA387968A CA1140167A CA 1140167 A CA1140167 A CA 1140167A CA 000387968 A CA000387968 A CA 000387968A CA 387968 A CA387968 A CA 387968A CA 1140167 A CA1140167 A CA 1140167A
Authority
CA
Canada
Prior art keywords
seal
shank
housing
impact
fracturing
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
CA000387968A
Other languages
English (en)
French (fr)
Inventor
Lawrence E. Fox
Harold L. Reinsma
Albert L. Woody
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of CA1140167A publication Critical patent/CA1140167A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
    • E02F5/32—Rippers
    • E02F5/323—Percussion-type rippers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/106—Making by using boring or cutting machines with percussive tools, e.g. pick-hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Sealing Devices (AREA)
  • Confectionery (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Percussive Tools And Related Accessories (AREA)
CA000387968A 1981-01-26 1981-10-15 Material fracturing apparatus Expired CA1140167A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1981/000117 WO1982002468A1 (en) 1981-01-26 1981-01-26 Material fracturing apparatus
US81/00117 1981-01-26

Publications (1)

Publication Number Publication Date
CA1140167A true CA1140167A (en) 1983-01-25

Family

ID=22161066

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000387968A Expired CA1140167A (en) 1981-01-26 1981-10-15 Material fracturing apparatus

Country Status (5)

Country Link
EP (1) EP0057791A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57502209A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU7291081A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1140167A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1982002468A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1493768A (en) * 1920-08-28 1924-05-13 Rice Portable Rock Drill Corp Dustguard for percussion machines
US2305265A (en) * 1942-05-01 1942-12-15 Letourneau Inc Sealing boot assembly
US2748750A (en) * 1953-01-13 1956-06-05 Armour Res Found Vibrationless pneumatic impact tool
US3381987A (en) * 1965-06-04 1968-05-07 Ford Motor Co Double wall seal for articulated joints
US3611816A (en) * 1969-06-02 1971-10-12 Continental Gummi Werke Ag Sleeve for sealing coaxially arranged parts
US3770322A (en) * 1971-04-12 1973-11-06 Caterpillar Tractor Co Apparatus for fracture of material in situ with stored inertial energy
US3788628A (en) * 1972-11-10 1974-01-29 Wright Barry Corp Pneumatic isolator
US3868145A (en) * 1973-08-23 1975-02-25 Caterpillar Tractor Co Eccentric ring impacting mechanism for in-situ rock breakers
JPS5046845U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-08-31 1975-05-10
WO1980001188A1 (en) * 1978-12-11 1980-06-12 R Livesay Mechanically actuated impact mechanism

Also Published As

Publication number Publication date
JPS57502209A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-12-16
EP0057791A1 (en) 1982-08-18
WO1982002468A1 (en) 1982-08-05
AU7291081A (en) 1982-08-16

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Legal Events

Date Code Title Description
MKEX Expiry