FR2057260A5 - - Google Patents

Info

Publication number
FR2057260A5
FR2057260A5 FR6927247A FR6927247A FR2057260A5 FR 2057260 A5 FR2057260 A5 FR 2057260A5 FR 6927247 A FR6927247 A FR 6927247A FR 6927247 A FR6927247 A FR 6927247A FR 2057260 A5 FR2057260 A5 FR 2057260A5
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
FR6927247A
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.)
SEIGNEMARTIN JEAN LOUIS
Original Assignee
SEIGNEMARTIN JEAN LOUIS
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 SEIGNEMARTIN JEAN LOUIS filed Critical SEIGNEMARTIN JEAN LOUIS
Priority to FR6927247A priority Critical patent/FR2057260A5/fr
Application granted granted Critical
Publication of FR2057260A5 publication Critical patent/FR2057260A5/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/003—Drilling machine situated underneath the workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
    • B23B39/22—Drilling machines with a plurality of working-spindles; Drilling automatons with working-spindles in opposite headstocks
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2220/00—Details of turning, boring or drilling processes
    • B23B2220/32—Drilling holes from both sides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR6927247A 1969-08-07 1969-08-07 Expired FR2057260A5 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6927247A FR2057260A5 (zh) 1969-08-07 1969-08-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6927247A FR2057260A5 (zh) 1969-08-07 1969-08-07

Publications (1)

Publication Number Publication Date
FR2057260A5 true FR2057260A5 (zh) 1971-05-21

Family

ID=9038795

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6927247A Expired FR2057260A5 (zh) 1969-08-07 1969-08-07

Country Status (1)

Country Link
FR (1) FR2057260A5 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108188452A (zh) * 2018-03-20 2018-06-22 平南县五金制品厂 一种发电机支架钻孔工装
CN117381017A (zh) * 2023-12-06 2024-01-12 福建优恩立光电科技有限公司 一种变焦镜头加工钻孔装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108188452A (zh) * 2018-03-20 2018-06-22 平南县五金制品厂 一种发电机支架钻孔工装
CN117381017A (zh) * 2023-12-06 2024-01-12 福建优恩立光电科技有限公司 一种变焦镜头加工钻孔装置
CN117381017B (zh) * 2023-12-06 2024-03-08 福建优恩立光电科技有限公司 一种变焦镜头加工钻孔装置

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Legal Events

Date Code Title Description
ST Notification of lapse