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FR906809A - Device for measuring the angles of twist drills - Google Patents

Device for measuring the angles of twist drills

Info

Publication number
FR906809A
FR906809A FR906809DA FR906809A FR 906809 A FR906809 A FR 906809A FR 906809D A FR906809D A FR 906809DA FR 906809 A FR906809 A FR 906809A
Authority
FR
France
Prior art keywords
angles
measuring
twist drills
drills
twist
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
Ernst Geissbuhler
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 filed Critical
Application granted granted Critical
Publication of FR906809A publication Critical patent/FR906809A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR906809D 1943-03-18 1944-08-18 Device for measuring the angles of twist drills Expired FR906809A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH906809X 1943-03-18

Publications (1)

Publication Number Publication Date
FR906809A true FR906809A (en) 1946-02-21

Family

ID=4546956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR906809D Expired FR906809A (en) 1943-03-18 1944-08-18 Device for measuring the angles of twist drills

Country Status (1)

Country Link
FR (1) FR906809A (en)

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