JPS57182635A - Manually operated hardness meter - Google Patents

Manually operated hardness meter

Info

Publication number
JPS57182635A
JPS57182635A JP57067038A JP6703882A JPS57182635A JP S57182635 A JPS57182635 A JP S57182635A JP 57067038 A JP57067038 A JP 57067038A JP 6703882 A JP6703882 A JP 6703882A JP S57182635 A JPS57182635 A JP S57182635A
Authority
JP
Japan
Prior art keywords
manually operated
hardness meter
operated hardness
meter
manually
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.)
Granted
Application number
JP57067038A
Other languages
English (en)
Other versions
JPH0229182B2 (ja
Inventor
Erunsuto Arufuretsudo
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS57182635A publication Critical patent/JPS57182635A/ja
Publication of JPH0229182B2 publication Critical patent/JPH0229182B2/ja
Granted legal-status Critical Current

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
    • G01N3/48—Investigating hardness or rebound hardness by performing impressions under impulsive load by indentors, e.g. falling ball
    • 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
JP57067038A 1981-04-22 1982-04-21 Manually operated hardness meter Granted JPS57182635A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH263981A CH645189A5 (it) 1981-04-22 1981-04-22 Misuratore di durezza portatile azionabile a mano.

Publications (2)

Publication Number Publication Date
JPS57182635A true JPS57182635A (en) 1982-11-10
JPH0229182B2 JPH0229182B2 (ja) 1990-06-28

Family

ID=4238279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57067038A Granted JPS57182635A (en) 1981-04-22 1982-04-21 Manually operated hardness meter

Country Status (6)

Country Link
US (1) US4444045A (ja)
EP (1) EP0063548B1 (ja)
JP (1) JPS57182635A (ja)
CH (1) CH645189A5 (ja)
DE (1) DE3266114D1 (ja)
ES (1) ES8304309A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6336359B1 (en) * 1999-02-17 2002-01-08 Akashi Corporation Impression forming mechanism and hardness testing apparatus
ATE408132T1 (de) * 2004-07-02 2008-09-15 Ernst Erik Härteprüfgerät mit eindruck-prüfkörper aus hartmetall oder einer harten verbindung und schwingkronenstück zum testen bei hoher last sowie verfahren zur vergleichenden beurteilung des einhärtungsprofils
CN202471531U (zh) * 2012-03-13 2012-10-03 沈阳天星试验仪器有限公司 一种便携式数显硬度计
IT201800002034U1 (it) * 2018-03-07 2019-09-07 Dispositivo per la caratterizzazione viscoelastica non distruttiva dei materiali dotato di pulsante a scatto
CN108896414A (zh) * 2018-06-20 2018-11-27 中国科学院、水利部成都山地灾害与环境研究所 一种便携式原位水平推剪仪
CN114825753B (zh) * 2022-06-29 2022-09-06 太原理工大学 基于碟簧压缩的液压缓冲重载电动缸及缓冲控制方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55141651A (en) * 1979-04-20 1980-11-05 Akashi Seisakusho Co Ltd Indentation hardness measuring apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1708262A (en) * 1927-02-25 1929-04-09 Executor Lou Bradshaw Hardness-testing device
GB1115106A (en) * 1966-03-17 1968-05-29 British Cast Iron Res Ass Measurement of internal hardness of materials
US3879982A (en) * 1972-10-16 1975-04-29 Ernst Schmidt Method and apparatus for testing hardness of specimens
US4034603A (en) * 1974-11-07 1977-07-12 Proceq Sa Method of an apparatus for testing the hardness of materials

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55141651A (en) * 1979-04-20 1980-11-05 Akashi Seisakusho Co Ltd Indentation hardness measuring apparatus

Also Published As

Publication number Publication date
JPH0229182B2 (ja) 1990-06-28
DE3266114D1 (en) 1985-10-17
EP0063548B1 (en) 1985-09-11
CH645189A5 (it) 1984-09-14
ES510964A0 (es) 1983-02-16
EP0063548A1 (en) 1982-10-27
US4444045A (en) 1984-04-24
ES8304309A1 (es) 1983-02-16

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