FR779550A - Method for determining the hardness of grinding wheels - Google Patents

Method for determining the hardness of grinding wheels

Info

Publication number
FR779550A
FR779550A FR779550DA FR779550A FR 779550 A FR779550 A FR 779550A FR 779550D A FR779550D A FR 779550DA FR 779550 A FR779550 A FR 779550A
Authority
FR
France
Prior art keywords
hardness
determining
grinding wheels
grinding
wheels
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.)
KUGELFISCHER ERSTE AUTOMATISCH
Original Assignee
KUGELFISCHER ERSTE AUTOMATISCH
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 KUGELFISCHER ERSTE AUTOMATISCH filed Critical KUGELFISCHER ERSTE AUTOMATISCH
Application granted granted Critical
Publication of FR779550A publication Critical patent/FR779550A/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
    • G01N3/48—Investigating hardness or rebound hardness by performing impressions under impulsive load by indentors, e.g. falling ball

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)
FR779550D 1933-11-03 1934-10-10 Method for determining the hardness of grinding wheels Expired FR779550A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE779550X 1933-11-03

Publications (1)

Publication Number Publication Date
FR779550A true FR779550A (en) 1935-04-08

Family

ID=6687221

Family Applications (1)

Application Number Title Priority Date Filing Date
FR779550D Expired FR779550A (en) 1933-11-03 1934-10-10 Method for determining the hardness of grinding wheels

Country Status (1)

Country Link
FR (1) FR779550A (en)

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