FR1143680A - Improvements to machines for measuring the hardness of elastic materials - Google Patents

Improvements to machines for measuring the hardness of elastic materials

Info

Publication number
FR1143680A
FR1143680A FR1143680DA FR1143680A FR 1143680 A FR1143680 A FR 1143680A FR 1143680D A FR1143680D A FR 1143680DA FR 1143680 A FR1143680 A FR 1143680A
Authority
FR
France
Prior art keywords
hardness
machines
measuring
elastic materials
elastic
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.)
Dunlop France SA
Original Assignee
Dunlop France 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 Dunlop France SA filed Critical Dunlop France SA
Application granted granted Critical
Publication of FR1143680A publication Critical patent/FR1143680A/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)
FR1143680D 1954-11-12 1955-11-10 Improvements to machines for measuring the hardness of elastic materials Expired FR1143680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1143680X 1954-11-12

Publications (1)

Publication Number Publication Date
FR1143680A true FR1143680A (en) 1957-10-03

Family

ID=10877379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1143680D Expired FR1143680A (en) 1954-11-12 1955-11-10 Improvements to machines for measuring the hardness of elastic materials

Country Status (1)

Country Link
FR (1) FR1143680A (en)

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