FR450678A - Filaments Impact Resistance Measuring Machine Of Electric Incandescent Lamps - Google Patents

Filaments Impact Resistance Measuring Machine Of Electric Incandescent Lamps

Info

Publication number
FR450678A
FR450678A FR450678DA FR450678A FR 450678 A FR450678 A FR 450678A FR 450678D A FR450678D A FR 450678DA FR 450678 A FR450678 A FR 450678A
Authority
FR
France
Prior art keywords
impact resistance
measuring machine
resistance measuring
incandescent lamps
electric incandescent
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
Emmanuel Legrand
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR450678A publication Critical patent/FR450678A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR450678D 1912-01-24 1912-01-24 Filaments Impact Resistance Measuring Machine Of Electric Incandescent Lamps Expired FR450678A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR450678T 1912-01-24

Publications (1)

Publication Number Publication Date
FR450678A true FR450678A (en) 1913-04-01

Family

ID=1491081

Family Applications (1)

Application Number Title Priority Date Filing Date
FR450678D Expired FR450678A (en) 1912-01-24 1912-01-24 Filaments Impact Resistance Measuring Machine Of Electric Incandescent Lamps

Country Status (1)

Country Link
FR (1) FR450678A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689938A (en) * 1950-09-05 1954-09-21 Us Army Shock testing apparatus
US2738459A (en) * 1952-07-25 1956-03-13 Sylvania Electric Prod Shock tester for electron discharge devices
CN115639070A (en) * 2022-12-22 2023-01-24 武汉源生铁路配件制造有限公司 Glass strength test equipment for locomotive headlamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689938A (en) * 1950-09-05 1954-09-21 Us Army Shock testing apparatus
US2738459A (en) * 1952-07-25 1956-03-13 Sylvania Electric Prod Shock tester for electron discharge devices
CN115639070A (en) * 2022-12-22 2023-01-24 武汉源生铁路配件制造有限公司 Glass strength test equipment for locomotive headlamp

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