CH525486A - Ritzhärteprüfer - Google Patents

Ritzhärteprüfer

Info

Publication number
CH525486A
CH525486A CH862671A CH862671A CH525486A CH 525486 A CH525486 A CH 525486A CH 862671 A CH862671 A CH 862671A CH 862671 A CH862671 A CH 862671A CH 525486 A CH525486 A CH 525486A
Authority
CH
Switzerland
Prior art keywords
hardness tester
scratch hardness
scratch
tester
hardness
Prior art date
Application number
CH862671A
Other languages
English (en)
Inventor
Heetman Jakobus
Original Assignee
Lonza 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 Lonza Ag filed Critical Lonza Ag
Priority to CH862671A priority Critical patent/CH525486A/de
Priority to SE7207536A priority patent/SE379425B/xx
Priority to DE19722228415 priority patent/DE2228415A1/de
Priority to GB2742572A priority patent/GB1368200A/en
Priority to IT68888/72A priority patent/IT959150B/it
Priority to US3785198D priority patent/US3785198A/en
Priority to BE784852A priority patent/BE784852A/xx
Priority to NL7208117A priority patent/NL7208117A/xx
Priority to CA144,646A priority patent/CA956475A/en
Priority to FR7221469A priority patent/FR2142456A5/fr
Publication of CH525486A publication Critical patent/CH525486A/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
    • G01N3/46—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid the indentors performing a scratching movement

Landscapes

  • 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)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
CH862671A 1971-06-14 1971-06-14 Ritzhärteprüfer CH525486A (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
CH862671A CH525486A (de) 1971-06-14 1971-06-14 Ritzhärteprüfer
SE7207536A SE379425B (de) 1971-06-14 1972-06-08
DE19722228415 DE2228415A1 (de) 1971-06-14 1972-06-10 Ritzharteprufer
GB2742572A GB1368200A (en) 1971-06-14 1972-06-12 Sclerometer
IT68888/72A IT959150B (it) 1971-06-14 1972-06-13 Sclerometro
US3785198D US3785198A (en) 1971-06-14 1972-06-13 Scratch resistance tester
BE784852A BE784852A (fr) 1971-06-14 1972-06-14 Appareil pour controler la durete a la rayure
NL7208117A NL7208117A (de) 1971-06-14 1972-06-14
CA144,646A CA956475A (en) 1971-06-14 1972-06-14 Scratch resistance tester
FR7221469A FR2142456A5 (de) 1971-06-14 1972-06-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH862671A CH525486A (de) 1971-06-14 1971-06-14 Ritzhärteprüfer

Publications (1)

Publication Number Publication Date
CH525486A true CH525486A (de) 1972-07-15

Family

ID=4342809

Family Applications (1)

Application Number Title Priority Date Filing Date
CH862671A CH525486A (de) 1971-06-14 1971-06-14 Ritzhärteprüfer

Country Status (10)

Country Link
US (1) US3785198A (de)
BE (1) BE784852A (de)
CA (1) CA956475A (de)
CH (1) CH525486A (de)
DE (1) DE2228415A1 (de)
FR (1) FR2142456A5 (de)
GB (1) GB1368200A (de)
IT (1) IT959150B (de)
NL (1) NL7208117A (de)
SE (1) SE379425B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999046576A1 (en) * 1998-03-11 1999-09-16 E.I. Du Pont De Nemours And Company Test apparatus and method of measuring mar resistance of film or coating

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249414A (en) * 1979-12-10 1981-02-10 Northern Telecom Limited Apparatus for testing hardness of wooden poles
GB2146129A (en) * 1983-08-09 1985-04-11 Furniture Ind Res Ass A scratch hardness tester
AT387035B (de) * 1986-04-24 1988-11-25 Caola Kozmetikai Verfahren zur zuechtung von algen mit verbesserten biologischen eigenschaften
EP0259077B1 (de) * 1986-08-28 1992-01-08 Thomas Swan And Co., Ltd. Erstarrung von Flüssigkeitenfilmen
US4791807A (en) * 1986-11-04 1988-12-20 Oechsle S John Apparatus for determining the relative hardness and abrasion resistance of industrial film coatings and linings
US5804706A (en) * 1997-02-03 1998-09-08 O'sullivan Industries, Inc. System and method for measuring the mar resistance of materials
RU2141106C1 (ru) * 1998-06-30 1999-11-10 Государственная академия нефти и газа им.И.М.Губкина Склерометр
GB2366391A (en) * 2000-08-23 2002-03-06 Plint & Partners Ltd Scratch resistance testing apparatus and method
RU2373515C1 (ru) * 2008-06-16 2009-11-20 ГОУ ВПО "Вологодский государственный технический университет" (ВоГТУ) Устройство для определения твердости материалов методом царапания
US8549891B2 (en) 2010-10-27 2013-10-08 Honda Motor Co., Ltd. Scratch resistance test methods and apparatus
RU2548929C1 (ru) * 2013-12-18 2015-04-20 Шлюмберже Текнолоджи Б.В. Способ определения профиля прочности материалов и устройство для его осуществления
RU2564055C2 (ru) * 2013-12-27 2015-09-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Комсомольский-на-Амуре государственный технический университет" (ФГБОУ ВПО "КнАГТУ") Комплекс контроля материалов
US11460389B2 (en) * 2018-03-16 2022-10-04 Construction Technology Laboratories, Inc. Method and apparatus for testing relative hardness of horizontally displaced surfaces

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279264A (en) * 1940-08-28 1942-04-07 Nat Paint Varnish And Lacquer Hardness tester
US2801540A (en) * 1956-01-09 1957-08-06 Herbert F Rondeau Scratch tester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999046576A1 (en) * 1998-03-11 1999-09-16 E.I. Du Pont De Nemours And Company Test apparatus and method of measuring mar resistance of film or coating

Also Published As

Publication number Publication date
DE2228415A1 (de) 1972-12-21
NL7208117A (de) 1972-12-18
BE784852A (fr) 1972-10-02
SE379425B (de) 1975-10-06
IT959150B (it) 1973-11-10
CA956475A (en) 1974-10-22
GB1368200A (en) 1974-09-25
US3785198A (en) 1974-01-15
FR2142456A5 (de) 1973-01-26

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Legal Events

Date Code Title Description
PL Patent ceased