DE20214568U1 - Rebound hardness testing of material using a new coil arrangement that has improved accuracy as for a considerable measurement stretch the signal amplitude is entirely dependent on rebound velocity - Google Patents
Rebound hardness testing of material using a new coil arrangement that has improved accuracy as for a considerable measurement stretch the signal amplitude is entirely dependent on rebound velocityInfo
- Publication number
- DE20214568U1 DE20214568U1 DE20214568U DE20214568U DE20214568U1 DE 20214568 U1 DE20214568 U1 DE 20214568U1 DE 20214568 U DE20214568 U DE 20214568U DE 20214568 U DE20214568 U DE 20214568U DE 20214568 U1 DE20214568 U1 DE 20214568U1
- Authority
- DE
- Germany
- Prior art keywords
- impact
- rebound
- time
- speed
- coil
- 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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/52—Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
Abstract
Description
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically
Claims (20)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20214568U DE20214568U1 (en) | 2002-09-20 | 2002-09-20 | Rebound hardness testing of material using a new coil arrangement that has improved accuracy as for a considerable measurement stretch the signal amplitude is entirely dependent on rebound velocity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20214568U DE20214568U1 (en) | 2002-09-20 | 2002-09-20 | Rebound hardness testing of material using a new coil arrangement that has improved accuracy as for a considerable measurement stretch the signal amplitude is entirely dependent on rebound velocity |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20214568U1 true DE20214568U1 (en) | 2003-04-03 |
Family
ID=7975282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20214568U Expired - Lifetime DE20214568U1 (en) | 2002-09-20 | 2002-09-20 | Rebound hardness testing of material using a new coil arrangement that has improved accuracy as for a considerable measurement stretch the signal amplitude is entirely dependent on rebound velocity |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE20214568U1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008004895A1 (en) * | 2006-07-03 | 2008-01-10 | Geoffrey Andrew Furniss | Sorting by softness: method and apparatus |
WO2009036578A1 (en) * | 2007-09-20 | 2009-03-26 | Bransdestini Marco | Method and apparatus for the non-destructive measurement of the compressive strength of a solid |
CN108253887A (en) * | 2018-01-18 | 2018-07-06 | 海宁市晨丰橡塑有限公司 | A kind of hardware products surface quality check device |
CN110763583A (en) * | 2019-10-22 | 2020-02-07 | 浙江二十冶建设有限公司 | Concrete strength detection method |
CN116202900A (en) * | 2023-03-27 | 2023-06-02 | 常州涛惠文化传媒有限公司 | Detection instrument and detection method for detecting hardness of valve based on rebound parameters after impact |
-
2002
- 2002-09-20 DE DE20214568U patent/DE20214568U1/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008004895A1 (en) * | 2006-07-03 | 2008-01-10 | Geoffrey Andrew Furniss | Sorting by softness: method and apparatus |
WO2009036578A1 (en) * | 2007-09-20 | 2009-03-26 | Bransdestini Marco | Method and apparatus for the non-destructive measurement of the compressive strength of a solid |
US8261620B2 (en) | 2007-09-20 | 2012-09-11 | Marco Brandestini | Method and apparatus for the non-destructive measurement of the compressive strength of a solid |
CN108253887A (en) * | 2018-01-18 | 2018-07-06 | 海宁市晨丰橡塑有限公司 | A kind of hardware products surface quality check device |
CN110763583A (en) * | 2019-10-22 | 2020-02-07 | 浙江二十冶建设有限公司 | Concrete strength detection method |
CN116202900A (en) * | 2023-03-27 | 2023-06-02 | 常州涛惠文化传媒有限公司 | Detection instrument and detection method for detecting hardness of valve based on rebound parameters after impact |
CN116202900B (en) * | 2023-03-27 | 2024-03-12 | 苏州旭博检测服务有限公司 | Detection instrument and detection method for detecting hardness of valve based on rebound parameters after impact |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R086 | Non-binding declaration of licensing interest | ||
R207 | Utility model specification |
Effective date: 20030508 |
|
R150 | Term of protection extended to 6 years |
Effective date: 20060224 |
|
R151 | Term of protection extended to 8 years |
Effective date: 20090409 |
|
R158 | Lapse of ip right after 8 years |
Effective date: 20110401 |