FR1168563A - Device for measuring hardness - Google Patents

Device for measuring hardness

Info

Publication number
FR1168563A
FR1168563A FR1168563DA FR1168563A FR 1168563 A FR1168563 A FR 1168563A FR 1168563D A FR1168563D A FR 1168563DA FR 1168563 A FR1168563 A FR 1168563A
Authority
FR
France
Prior art keywords
measuring hardness
hardness
measuring
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)
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.)
Optique et Precision de Levallois SA
Original Assignee
Optique et Precision de Levallois SA
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 Optique et Precision de Levallois SA filed Critical Optique et Precision de Levallois SA
Application granted granted Critical
Publication of FR1168563A publication Critical patent/FR1168563A/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
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
FR1168563D 1957-02-08 1957-02-08 Device for measuring hardness Expired FR1168563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1168563T 1957-02-08

Publications (1)

Publication Number Publication Date
FR1168563A true FR1168563A (en) 1958-12-10

Family

ID=9656029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1168563D Expired FR1168563A (en) 1957-02-08 1957-02-08 Device for measuring hardness

Country Status (1)

Country Link
FR (1) FR1168563A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757566A (en) * 1970-10-14 1973-09-11 Heberlein & Co Ag Hardness tester for tablets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757566A (en) * 1970-10-14 1973-09-11 Heberlein & Co Ag Hardness tester for tablets

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