GB1592200A - Excavation - Google Patents

Excavation Download PDF

Info

Publication number
GB1592200A
GB1592200A GB45165/77A GB4516577A GB1592200A GB 1592200 A GB1592200 A GB 1592200A GB 45165/77 A GB45165/77 A GB 45165/77A GB 4516577 A GB4516577 A GB 4516577A GB 1592200 A GB1592200 A GB 1592200A
Authority
GB
United Kingdom
Prior art keywords
carrier
bits
core
along
axis
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
GB45165/77A
Other languages
English (en)
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.)
Rapidex Inc
Original Assignee
Rapidex Inc
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
Priority claimed from US05/737,061 external-priority patent/US4087131A/en
Priority claimed from US05/737,068 external-priority patent/US4084854A/en
Application filed by Rapidex Inc filed Critical Rapidex Inc
Publication of GB1592200A publication Critical patent/GB1592200A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/16Methods of underground mining; Layouts therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C27/00Machines which completely free the mineral from the seam
    • E21C27/20Mineral freed by means not involving slitting
    • E21C27/22Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C29/00Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/22Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like
    • E21C29/24Trucks carrying the machine while working
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/16Methods of underground mining; Layouts therefor
    • E21C41/24Methods of underground mining; Layouts therefor for oil-bearing deposits
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/929Tool or tool with support
    • Y10T83/9411Cutting couple type
    • Y10T83/9413Spiral type cutter

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)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Earth Drilling (AREA)
GB45165/77A 1976-11-01 1977-10-31 Excavation Expired GB1592200A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/737,061 US4087131A (en) 1976-11-01 1976-11-01 Drag bit excavation
US05/737,068 US4084854A (en) 1976-11-01 1976-11-01 Drag bit excavation

Publications (1)

Publication Number Publication Date
GB1592200A true GB1592200A (en) 1981-07-01

Family

ID=27113168

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45165/77A Expired GB1592200A (en) 1976-11-01 1977-10-31 Excavation

Country Status (4)

Country Link
AU (1) AU513975B2 (de)
CA (1) CA1078882A (de)
DE (1) DE2748582A1 (de)
GB (1) GB1592200A (de)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE211193C (de) *
DE746106C (de) * 1936-02-12 1944-08-05 Luebecker Maschb Ges Schaufelradbagger
US2417313A (en) * 1944-06-17 1947-03-11 John H Mackinnon Trench-digging machine
US2650083A (en) * 1950-12-29 1953-08-25 Goodman Mfg Co Coal drill
US3039208A (en) * 1956-05-22 1962-06-19 Nicholas P Oglesby Trench digging machines
DE1253180B (de) * 1959-05-28 1967-10-26 Trainer Associates Inc Erdbohrer
US3537537A (en) * 1967-07-18 1970-11-03 Watson Mfg Co Boulder dislodging tool
US3856357A (en) * 1973-08-22 1974-12-24 G Wharton Combination rotor-box cutter mining machine and method of mining
DE2451286C3 (de) * 1974-10-29 1983-01-20 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Schneidwalze für Vortriebsmaschinen

Also Published As

Publication number Publication date
AU513975B2 (en) 1981-01-15
DE2748582A1 (de) 1978-05-11
CA1078882A (en) 1980-06-03
AU3017177A (en) 1979-05-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee