FR642926A - Appareil pour percer plusieurs trous à la fois - Google Patents

Appareil pour percer plusieurs trous à la fois

Info

Publication number
FR642926A
FR642926A FR642926DA FR642926A FR 642926 A FR642926 A FR 642926A FR 642926D A FR642926D A FR 642926DA FR 642926 A FR642926 A FR 642926A
Authority
FR
France
Prior art keywords
same time
several holes
drilling several
drilling
holes
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
Pierre Clavel
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 filed Critical
Application granted granted Critical
Publication of FR642926A publication Critical patent/FR642926A/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
    • B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
    • B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
    • B23B39/162—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles having gear transmissions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR642926D 1927-10-24 1927-10-24 Appareil pour percer plusieurs trous à la fois Expired FR642926A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR642926T 1927-10-24

Publications (1)

Publication Number Publication Date
FR642926A true FR642926A (fr) 1928-09-06

Family

ID=8999120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR642926D Expired FR642926A (fr) 1927-10-24 1927-10-24 Appareil pour percer plusieurs trous à la fois

Country Status (1)

Country Link
FR (1) FR642926A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5277524A (en) * 1993-03-04 1994-01-11 Chung Ching Pao Puncher
US5378090A (en) * 1992-11-06 1995-01-03 Arturo Salice S.P.A. Adapter for drilling machines
US20250073953A1 (en) * 2021-08-02 2025-03-06 Egun Co., Ltd. Two-Hole Core Drilling Machine
US12617027B2 (en) * 2021-08-02 2026-05-05 Egun Co., Ltd. Two-hole core drilling machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5378090A (en) * 1992-11-06 1995-01-03 Arturo Salice S.P.A. Adapter for drilling machines
US5277524A (en) * 1993-03-04 1994-01-11 Chung Ching Pao Puncher
US20250073953A1 (en) * 2021-08-02 2025-03-06 Egun Co., Ltd. Two-Hole Core Drilling Machine
US12617027B2 (en) * 2021-08-02 2026-05-05 Egun Co., Ltd. Two-hole core drilling machine

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