FR334203A - Perfectionnements aux presses et aux pompes hydrauliques pour mines - Google Patents

Perfectionnements aux presses et aux pompes hydrauliques pour mines

Info

Publication number
FR334203A
FR334203A FR334203DA FR334203A FR 334203 A FR334203 A FR 334203A FR 334203D A FR334203D A FR 334203DA FR 334203 A FR334203 A FR 334203A
Authority
FR
France
Prior art keywords
mines
presses
hydraulic pumps
pumps
hydraulic
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
Other languages
English (en)
Inventor
Alfred Joseph Tonge
James Tonge Junior
Elam Eaves
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.)
JAMES TONGE JUNIOR
Original Assignee
JAMES TONGE JUNIOR
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 JAMES TONGE JUNIOR filed Critical JAMES TONGE JUNIOR
Application granted granted Critical
Publication of FR334203A publication Critical patent/FR334203A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
    • E21C37/08—Devices with pistons, plungers, or the like, pressed locally against the wall of the borehole

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)
FR334203D 1903-07-11 1903-07-11 Perfectionnements aux presses et aux pompes hydrauliques pour mines Expired FR334203A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR334203T 1903-07-11

Publications (1)

Publication Number Publication Date
FR334203A true FR334203A (fr) 1903-12-15

Family

ID=1383754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR334203D Expired FR334203A (fr) 1903-07-11 1903-07-11 Perfectionnements aux presses et aux pompes hydrauliques pour mines

Country Status (1)

Country Link
FR (1) FR334203A (fr)

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