FR858277A - Boring device - Google Patents

Boring device

Info

Publication number
FR858277A
FR858277A FR858277DA FR858277A FR 858277 A FR858277 A FR 858277A FR 858277D A FR858277D A FR 858277DA FR 858277 A FR858277 A FR 858277A
Authority
FR
France
Prior art keywords
boring device
boring
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
French (fr)
Inventor
Charles William Berthiez
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.)
Charles Ets
Original Assignee
Charles Ets
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 Charles Ets filed Critical Charles Ets
Application granted granted Critical
Publication of FR858277A publication Critical patent/FR858277A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR858277D 1938-09-16 1939-07-26 Boring device Expired FR858277A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858277X 1938-09-16

Publications (1)

Publication Number Publication Date
FR858277A true FR858277A (en) 1940-11-21

Family

ID=10590718

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858277D Expired FR858277A (en) 1938-09-16 1939-07-26 Boring device

Country Status (1)

Country Link
FR (1) FR858277A (en)

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