FR1068844A - Dispositif indicateur du degré de poli d'une surface - Google Patents

Dispositif indicateur du degré de poli d'une surface

Info

Publication number
FR1068844A
FR1068844A FR1068844DA FR1068844A FR 1068844 A FR1068844 A FR 1068844A FR 1068844D A FR1068844D A FR 1068844DA FR 1068844 A FR1068844 A FR 1068844A
Authority
FR
France
Prior art keywords
polish
degree
device indicating
indicating
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
English (en)
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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
Priority claimed from US246853A external-priority patent/US2841008A/en
Application filed by Motors Liquidation Co filed Critical Motors Liquidation Co
Application granted granted Critical
Publication of FR1068844A publication Critical patent/FR1068844A/fr
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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR1068844D 1951-09-15 1952-09-11 Dispositif indicateur du degré de poli d'une surface Expired FR1068844A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US246853A US2841008A (en) 1951-09-15 1951-09-15 Surface smoothness measuring means
US426180A US2789429A (en) 1951-09-15 1954-04-28 Surface gage extension probe

Publications (1)

Publication Number Publication Date
FR1068844A true FR1068844A (fr) 1954-07-01

Family

ID=26938273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1068844D Expired FR1068844A (fr) 1951-09-15 1952-09-11 Dispositif indicateur du degré de poli d'une surface

Country Status (4)

Country Link
US (1) US2789429A (fr)
DE (2) DE929644C (fr)
FR (1) FR1068844A (fr)
GB (2) GB699728A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1106714B (it) * 1978-12-21 1985-11-18 Finike Italiana Marposs Apparecchio per il rilevamento di caratteristiche geometriche di pezzi meccanici
DE102005035786B3 (de) * 2005-07-27 2007-01-04 Carl Mahr Holding Gmbh Rauheitstaster
EP2199732B1 (fr) * 2008-12-19 2017-10-11 Klingelnberg AG Dispositif doté d'un capteur de rugosité

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US299757A (en) * 1884-06-03 Weighing-scale
DE581099C (de) * 1926-09-25 1933-07-21 Siemens & Halske Akt Ges Einrichtung zum Messen und Registrieren kleiner und kleinster Laengenaenderungen sowie Geschwindigkeits- und Druckaenderungen stroemender Medien
US2016659A (en) * 1931-11-09 1935-10-08 Clarence W Tydeman Internal caliper gauge
US2122664A (en) * 1935-01-02 1938-07-05 Niles Bement Pond Co Precision gauge
US2345022A (en) * 1940-02-29 1944-03-28 Donald E Williamson Tracer mechanism
GB577980A (en) * 1943-03-24 1946-06-11 Kapella Ltd Improvements in or relating to apparatus for measuring or indicating the roughnessesor undulations of a surface
DE841218C (de) * 1950-12-05 1952-06-13 Leitz Ernst Gmbh Innentastgeraet

Also Published As

Publication number Publication date
GB768487A (en) 1957-02-20
DE929644C (de) 1955-06-30
US2789429A (en) 1957-04-23
DE973374C (de) 1960-02-04
GB699728A (en) 1953-11-11

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