DE3763694D1 - Vorrichtung zur ermittlung der oberflaechenbeschaffenheit von materialien. - Google Patents
Vorrichtung zur ermittlung der oberflaechenbeschaffenheit von materialien.Info
- Publication number
- DE3763694D1 DE3763694D1 DE8787400042T DE3763694T DE3763694D1 DE 3763694 D1 DE3763694 D1 DE 3763694D1 DE 8787400042 T DE8787400042 T DE 8787400042T DE 3763694 T DE3763694 T DE 3763694T DE 3763694 D1 DE3763694 D1 DE 3763694D1
- Authority
- DE
- Germany
- Prior art keywords
- pct
- wheels
- materials
- sec
- date
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
Landscapes
- Physics & Mathematics (AREA)
- General 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)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Disintegrating Or Milling (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Regulating Braking Force (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8600470A FR2592956B1 (fr) | 1986-01-13 | 1986-01-13 | Dispositif de controle de l'etat de surface de materiaux. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3763694D1 true DE3763694D1 (de) | 1990-08-23 |
Family
ID=9331115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787400042T Expired - Lifetime DE3763694D1 (de) | 1986-01-13 | 1987-01-12 | Vorrichtung zur ermittlung der oberflaechenbeschaffenheit von materialien. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4811591A (de) |
EP (1) | EP0234965B1 (de) |
AT (1) | ATE54748T1 (de) |
AU (1) | AU6843987A (de) |
DE (1) | DE3763694D1 (de) |
FR (1) | FR2592956B1 (de) |
WO (1) | WO1987004235A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4873006A (en) * | 1988-09-01 | 1989-10-10 | The Lubrizol Corporation | Compositions containing active sulfur |
US6138496A (en) * | 1996-09-30 | 2000-10-31 | Eastman Kodak Company | Traction measurement apparatus and method |
US6192736B1 (en) | 1998-09-23 | 2001-02-27 | Diversified Metal Fabricators, Inc. | Tribometer for testing the efficiency of lubrication upon a railroad track surface |
US6321586B1 (en) | 1999-02-01 | 2001-11-27 | Lockheed Martin Federal Systems, Inc. | Conveyor friction measurement and cleaning system |
US6288894B1 (en) | 1999-12-10 | 2001-09-11 | Dell Usa L.P. | Offset wheels for electronic system housing |
SE518551C2 (sv) * | 2000-02-14 | 2002-10-22 | Scania Cv Ab | Anordning för att uppskatta friktionsnivån mellan ett fordons hjul och markunderlag |
FR2919057B1 (fr) * | 2007-07-18 | 2009-09-18 | Peugeot Citroen Automobiles Sa | Procede de mesure de l'adherence au sol d'une route |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3017618A (en) * | 1960-04-25 | 1962-01-16 | Eastman Kodak Co | Device for removing and detecting foreign matter from a surface |
FR1460033A (fr) * | 1965-10-14 | 1966-06-17 | Grp De Rech S De Ind Du Frotte | Perfectionnements aux machines pour tester les joints |
US3893330A (en) * | 1972-12-18 | 1975-07-08 | Data Systems Inc | Surface friction testing |
US3935468A (en) * | 1974-09-11 | 1976-01-27 | Research Technology Incorporated | Light responsive detector |
DE2627239A1 (de) * | 1975-06-18 | 1976-12-30 | Masson Scott Thrissell Eng Ltd | Vorrichtung zur feststellung von unregelmaessigkeiten in einer sich bewegenden bahn, insbesondere einer papierbahn |
DE2535912A1 (de) * | 1975-08-12 | 1977-02-17 | Salje Ernst | Verfahren und vorrichtung zur rauhigkeitspruefung von oberflaechen |
US4051713A (en) * | 1976-03-23 | 1977-10-04 | Actus, Inc. | Friction measuring and testing method and apparatus |
SE407856B (sv) * | 1976-03-31 | 1979-04-23 | Saab Scania Ab | Sett att vid ett motorfordon med minst ett intregrerat methjul meta och indikera grensverden for drivning och bromsning av fordon pa radande underlag och metanordning for genomforande av settet |
DE2947529A1 (de) * | 1979-08-13 | 1981-06-04 | Siemens AG, 1000 Berlin und 8000 München | Digitalsignal-zeitmultiplex-fernmeldesystem |
DE2947259A1 (de) * | 1979-11-23 | 1981-05-27 | Daimler-Benz Ag, 7000 Stuttgart | Vorrichtung zur bestimmung des reibbeiwertes |
US4662211A (en) * | 1985-12-16 | 1987-05-05 | K. J. Law Engineers, Inc. | Measuring friction characteristics of vehicle travel surfaces |
-
1986
- 1986-01-13 FR FR8600470A patent/FR2592956B1/fr not_active Expired
-
1987
- 1987-01-12 WO PCT/FR1987/000008 patent/WO1987004235A1/fr unknown
- 1987-01-12 EP EP87400042A patent/EP0234965B1/de not_active Expired - Lifetime
- 1987-01-12 AT AT87400042T patent/ATE54748T1/de not_active IP Right Cessation
- 1987-01-12 AU AU68439/87A patent/AU6843987A/en not_active Abandoned
- 1987-01-12 US US07/101,293 patent/US4811591A/en not_active Expired - Fee Related
- 1987-01-12 DE DE8787400042T patent/DE3763694D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU6843987A (en) | 1987-07-28 |
WO1987004235A1 (fr) | 1987-07-16 |
ATE54748T1 (de) | 1990-08-15 |
EP0234965A1 (de) | 1987-09-02 |
FR2592956A1 (fr) | 1987-07-17 |
EP0234965B1 (de) | 1990-07-18 |
US4811591A (en) | 1989-03-14 |
FR2592956B1 (fr) | 1989-06-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Free format text: HERRMANN-TRENTEPOHL, W., DIPL.-ING., 4690 HERNE KIRSCHNER, K., DIPL.-PHYS. GROSSE, W., DIPL.-ING. BOCKHORNI, J., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |