FR886583A - Installation d'éclairage pour foreuses - Google Patents

Installation d'éclairage pour foreuses

Info

Publication number
FR886583A
FR886583A FR886583DA FR886583A FR 886583 A FR886583 A FR 886583A FR 886583D A FR886583D A FR 886583DA FR 886583 A FR886583 A FR 886583A
Authority
FR
France
Prior art keywords
drilling rigs
lighting installation
lighting
installation
rigs
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)
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.)
WESSELMANN BOHRER CO AG
Original Assignee
WESSELMANN BOHRER CO AG
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 WESSELMANN BOHRER CO AG filed Critical WESSELMANN BOHRER CO AG
Application granted granted Critical
Publication of FR886583A publication Critical patent/FR886583A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2404—Arrangements for improving direct observation of the working space, e.g. using mirrors or lamps

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
FR886583D 1941-11-11 1942-10-06 Installation d'éclairage pour foreuses Expired FR886583A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE228028X 1941-11-11

Publications (1)

Publication Number Publication Date
FR886583A true FR886583A (fr) 1943-10-19

Family

ID=5866964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR886583D Expired FR886583A (fr) 1941-11-11 1942-10-06 Installation d'éclairage pour foreuses

Country Status (3)

Country Link
BE (1) BE447276A (fr)
CH (1) CH228028A (fr)
FR (1) FR886583A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926236A (en) * 1957-09-03 1960-02-23 Genevoise Instr Physique Machine-tool provided with means for illuminating the tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926236A (en) * 1957-09-03 1960-02-23 Genevoise Instr Physique Machine-tool provided with means for illuminating the tool

Also Published As

Publication number Publication date
CH228028A (de) 1943-07-31
BE447276A (fr)

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