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FR1462125A - Hardness testing apparatus - Google Patents

Hardness testing apparatus

Info

Publication number
FR1462125A
FR1462125A FR44339A FR44339A FR1462125A FR 1462125 A FR1462125 A FR 1462125A FR 44339 A FR44339 A FR 44339A FR 44339 A FR44339 A FR 44339A FR 1462125 A FR1462125 A FR 1462125A
Authority
FR
France
Prior art keywords
testing apparatus
hardness testing
hardness
testing
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
FR44339A
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Ernst Leitz GmbH
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 Ernst Leitz Wetzlar GmbH, Ernst Leitz GmbH filed Critical Ernst Leitz Wetzlar GmbH
Application granted granted Critical
Publication of FR1462125A publication Critical patent/FR1462125A/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

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)
  • Reciprocating Pumps (AREA)
FR44339A 1965-02-23 1965-12-30 Hardness testing apparatus Expired FR1462125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL0039042 1965-02-23

Publications (1)

Publication Number Publication Date
FR1462125A true FR1462125A (en) 1966-12-09

Family

ID=7268510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44339A Expired FR1462125A (en) 1965-02-23 1965-12-30 Hardness testing apparatus

Country Status (3)

Country Link
AT (1) AT261259B (en)
FR (1) FR1462125A (en)
GB (1) GB1096169A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763697A (en) * 1970-04-15 1973-10-09 Sturm Stress Inc Method and apparatus for determining stress
US4059990A (en) * 1976-08-02 1977-11-29 Federal-Mogul Corporation Materials hardness testing device
US4402228A (en) * 1981-06-04 1983-09-06 General Battery Corporation Apparatus and method for testing the hardness of battery components
DE3737461C2 (en) * 1987-11-05 1997-06-19 Helmut Fischer Gmbh & Co Guide device for a test piece of a hardness measuring device

Also Published As

Publication number Publication date
AT261259B (en) 1968-04-10
GB1096169A (en) 1967-12-20

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