NL7208117A - - Google Patents
Info
- Publication number
- NL7208117A NL7208117A NL7208117A NL7208117A NL7208117A NL 7208117 A NL7208117 A NL 7208117A NL 7208117 A NL7208117 A NL 7208117A NL 7208117 A NL7208117 A NL 7208117A NL 7208117 A NL7208117 A NL 7208117A
- Authority
- NL
- Netherlands
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)
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 |
|---|---|
| NL7208117A true NL7208117A (xx) | 1972-12-18 |
Family
ID=4342809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7208117A NL7208117A (xx) | 1971-06-14 | 1972-06-14 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3785198A (xx) |
| BE (1) | BE784852A (xx) |
| CA (1) | CA956475A (xx) |
| CH (1) | CH525486A (xx) |
| DE (1) | DE2228415A1 (xx) |
| FR (1) | FR2142456A5 (xx) |
| GB (1) | GB1368200A (xx) |
| IT (1) | IT959150B (xx) |
| NL (1) | NL7208117A (xx) |
| SE (1) | SE379425B (xx) |
Families Citing this family (12)
| 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 |
| DE3775861D1 (de) * | 1986-08-28 | 1992-02-20 | Swan Thomas & Co Ltd | Erstarrung von fluessigkeitenfilmen. |
| 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 |
| AU750769B2 (en) * | 1998-03-11 | 2002-07-25 | E.I. Du Pont De Nemours And Company | Test apparatus and method of measuring mar resistance of film or coating |
| GB2366391A (en) * | 2000-08-23 | 2002-03-06 | Plint & Partners Ltd | Scratch resistance testing apparatus and method |
| 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)
| 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 |
-
1971
- 1971-06-14 CH CH862671A patent/CH525486A/de not_active IP Right Cessation
-
1972
- 1972-06-08 SE SE7207536A patent/SE379425B/xx unknown
- 1972-06-10 DE DE19722228415 patent/DE2228415A1/de active Pending
- 1972-06-12 GB GB2742572A patent/GB1368200A/en not_active Expired
- 1972-06-13 IT IT68888/72A patent/IT959150B/it active
- 1972-06-13 US US3785198D patent/US3785198A/en not_active Expired - Lifetime
- 1972-06-14 NL NL7208117A patent/NL7208117A/xx unknown
- 1972-06-14 FR FR7221469A patent/FR2142456A5/fr not_active Expired
- 1972-06-14 BE BE784852A patent/BE784852A/xx unknown
- 1972-06-14 CA CA144,646A patent/CA956475A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2142456A5 (xx) | 1973-01-26 |
| IT959150B (it) | 1973-11-10 |
| SE379425B (xx) | 1975-10-06 |
| BE784852A (fr) | 1972-10-02 |
| CA956475A (en) | 1974-10-22 |
| CH525486A (de) | 1972-07-15 |
| US3785198A (en) | 1974-01-15 |
| DE2228415A1 (de) | 1972-12-21 |
| GB1368200A (en) | 1974-09-25 |