DE3072138D1 - Surface roughness gauge - Google Patents

Surface roughness gauge

Info

Publication number
DE3072138D1
DE3072138D1 DE8181901198T DE3072138T DE3072138D1 DE 3072138 D1 DE3072138 D1 DE 3072138D1 DE 8181901198 T DE8181901198 T DE 8181901198T DE 3072138 T DE3072138 T DE 3072138T DE 3072138 D1 DE3072138 D1 DE 3072138D1
Authority
DE
Germany
Prior art keywords
surface roughness
roughness gauge
gauge
roughness
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
DE8181901198T
Other languages
German (de)
English (en)
Inventor
Chester S Gardner
William E Streight
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Application granted granted Critical
Publication of DE3072138D1 publication Critical patent/DE3072138D1/de
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
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE8181901198T 1980-11-17 1980-11-17 Surface roughness gauge Expired DE3072138D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/001545 WO1982001767A1 (en) 1980-11-17 1980-11-17 Surface roughness gauge and method

Publications (1)

Publication Number Publication Date
DE3072138D1 true DE3072138D1 (en) 1989-02-02

Family

ID=22154653

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181901198T Expired DE3072138D1 (en) 1980-11-17 1980-11-17 Surface roughness gauge

Country Status (5)

Country Link
EP (1) EP0065517B1 (enExample)
JP (1) JPS57501743A (enExample)
BE (1) BE890787A (enExample)
DE (1) DE3072138D1 (enExample)
WO (1) WO1982001767A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232885A1 (de) * 1982-09-04 1984-03-08 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur automatischen pruefung von oberflaechen
FR2581753B1 (fr) * 1985-05-07 1993-09-03 Roulements Soc Nouvelle Appareil de controle de rugosite par voie optique
FI78355C (fi) * 1986-05-27 1989-07-10 Puumalaisen Tutkimuslaitos Oy Metod foer maetning av glans och apparatur foer tillaempning av metoden.
DE19739885A1 (de) * 1997-09-11 1999-03-18 Bernd Klose Komparativer Oberflächenqualifizierer
US6424413B1 (en) 1998-06-12 2002-07-23 Gretagmacbeth Llc Multi-channel integrating sphere
ES2163971B1 (es) * 1999-04-19 2003-06-16 Univ La Coruna Fleximetro fotovoltaico.
CN1323277C (zh) * 2005-10-07 2007-06-27 朱兴发 冶金炉炉衬厚度监测装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591291A (en) * 1969-05-26 1971-07-06 Conductron Corp Method and apparatus for sensing reflected light and diffused light from a surface to indicate the roughness of said surface
US3804521A (en) * 1972-02-22 1974-04-16 Itek Corp Optical device for measuring surface roughness
US3984189A (en) * 1973-01-19 1976-10-05 Hitachi Electronics, Ltd. Method and apparatus for detecting defects in a surface regardless of surface finish
US3850526A (en) * 1973-03-16 1974-11-26 Atomic Energy Commission Optical method and system for measuring surface finish
US4092068A (en) * 1976-05-05 1978-05-30 Domtar Inc. Surface sensor
GB1592449A (en) * 1976-12-01 1981-07-08 Ferranti Ltd Optical inspection apparatus
EP0001178B1 (en) * 1977-09-09 1981-03-18 The Rank Organisation Limited An optical sensing instrument

Also Published As

Publication number Publication date
WO1982001767A1 (en) 1982-05-27
EP0065517B1 (en) 1988-12-28
BE890787A (fr) 1982-02-15
EP0065517A4 (en) 1985-07-30
JPS57501743A (enExample) 1982-09-24
EP0065517A1 (en) 1982-12-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee