FR2058925A5 - - Google Patents

Info

Publication number
FR2058925A5
FR2058925A5 FR7030313A FR7030313A FR2058925A5 FR 2058925 A5 FR2058925 A5 FR 2058925A5 FR 7030313 A FR7030313 A FR 7030313A FR 7030313 A FR7030313 A FR 7030313A FR 2058925 A5 FR2058925 A5 FR 2058925A5
Authority
FR
France
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
FR7030313A
Other languages
French (fr)
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.)
ROBBINS JAMES ASSOCIATES
Original Assignee
ROBBINS JAMES ASSOCIATES
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 ROBBINS JAMES ASSOCIATES filed Critical ROBBINS JAMES ASSOCIATES
Priority to FR7030313A priority Critical patent/FR2058925A5/fr
Application granted granted Critical
Publication of FR2058925A5 publication Critical patent/FR2058925A5/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • 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
    • E21C27/46—Mineral freed by means not involving slitting by percussed planing means

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)
FR7030313A 1970-08-18 1970-08-18 Expired FR2058925A5 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7030313A FR2058925A5 (enExample) 1970-08-18 1970-08-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7030313A FR2058925A5 (enExample) 1970-08-18 1970-08-18

Publications (1)

Publication Number Publication Date
FR2058925A5 true FR2058925A5 (enExample) 1971-05-28

Family

ID=9060326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7030313A Expired FR2058925A5 (enExample) 1970-08-18 1970-08-18

Country Status (1)

Country Link
FR (1) FR2058925A5 (enExample)

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse