FR878414A - Instrument permettant de vérifier la qualité de la surface des pièces usinées - Google Patents

Instrument permettant de vérifier la qualité de la surface des pièces usinées

Info

Publication number
FR878414A
FR878414A FR878414DA FR878414A FR 878414 A FR878414 A FR 878414A FR 878414D A FR878414D A FR 878414DA FR 878414 A FR878414 A FR 878414A
Authority
FR
France
Prior art keywords
checking
instrument
surface quality
machined parts
machined
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Application granted granted Critical
Publication of FR878414A publication Critical patent/FR878414A/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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR878414D 1941-01-13 1942-01-12 Instrument permettant de vérifier la qualité de la surface des pièces usinées Expired FR878414A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE878414X 1941-01-13

Publications (1)

Publication Number Publication Date
FR878414A true FR878414A (fr) 1943-01-20

Family

ID=6818519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878414D Expired FR878414A (fr) 1941-01-13 1942-01-12 Instrument permettant de vérifier la qualité de la surface des pièces usinées

Country Status (1)

Country Link
FR (1) FR878414A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328885A (en) * 1963-04-17 1967-07-04 Alcatel Sa Device for the precise measurement of straight-line profiles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328885A (en) * 1963-04-17 1967-07-04 Alcatel Sa Device for the precise measurement of straight-line profiles

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