FR73802E - Dispositif de perçage - Google Patents

Dispositif de perçage

Info

Publication number
FR73802E
FR73802E FR770412A FR770412A FR73802E FR 73802 E FR73802 E FR 73802E FR 770412 A FR770412 A FR 770412A FR 770412 A FR770412 A FR 770412A FR 73802 E FR73802 E FR 73802E
Authority
FR
France
Prior art keywords
drilling device
drilling
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
FR770412A
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.)
ETUDE ET D EXPL DU PALIER FLUI
Original Assignee
ETUDE ET D EXPL DU PALIER FLUI
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 ETUDE ET D EXPL DU PALIER FLUI filed Critical ETUDE ET D EXPL DU PALIER FLUI
Priority to FR770412A priority Critical patent/FR73802E/fr
Application granted granted Critical
Publication of FR73802E publication Critical patent/FR73802E/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/02—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills
    • B28D5/021—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by drilling
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
    • G04D3/0056—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for bearing components
    • G04D3/0058—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for bearing components for bearing jewels

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR770412A 1958-07-16 1958-07-16 Dispositif de perçage Expired FR73802E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR770412A FR73802E (fr) 1958-07-16 1958-07-16 Dispositif de perçage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR770412A FR73802E (fr) 1958-07-16 1958-07-16 Dispositif de perçage

Publications (1)

Publication Number Publication Date
FR73802E true FR73802E (fr) 1960-09-12

Family

ID=8706997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR770412A Expired FR73802E (fr) 1958-07-16 1958-07-16 Dispositif de perçage

Country Status (1)

Country Link
FR (1) FR73802E (fr)

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