NL188961C - DEVICE FOR DETERMINING THE HARDNESS OF A MATERIAL. - Google Patents

DEVICE FOR DETERMINING THE HARDNESS OF A MATERIAL.

Info

Publication number
NL188961C
NL188961C NLAANVRAGE7512714,A NL7512714A NL188961C NL 188961 C NL188961 C NL 188961C NL 7512714 A NL7512714 A NL 7512714A NL 188961 C NL188961 C NL 188961C
Authority
NL
Netherlands
Prior art keywords
hardness
determining
Prior art date
Application number
NLAANVRAGE7512714,A
Other languages
Dutch (nl)
Other versions
NL7512714A (en
NL188961B (en
Original Assignee
Proceq Sa
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 Proceq Sa filed Critical Proceq Sa
Publication of NL7512714A publication Critical patent/NL7512714A/en
Publication of NL188961B publication Critical patent/NL188961B/en
Application granted granted Critical
Publication of NL188961C publication Critical patent/NL188961C/en

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
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/0076—Hardness, compressibility or resistance to crushing
    • G01N2203/0083—Rebound strike or reflected energy
NLAANVRAGE7512714,A 1974-11-07 1975-10-30 DEVICE FOR DETERMINING THE HARDNESS OF A MATERIAL. NL188961C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2452880A DE2452880C2 (en) 1974-11-07 1974-11-07 Method and device for hardness testing of workpieces

Publications (3)

Publication Number Publication Date
NL7512714A NL7512714A (en) 1976-05-11
NL188961B NL188961B (en) 1992-06-16
NL188961C true NL188961C (en) 1992-11-16

Family

ID=5930284

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7512714,A NL188961C (en) 1974-11-07 1975-10-30 DEVICE FOR DETERMINING THE HARDNESS OF A MATERIAL.

Country Status (20)

Country Link
JP (1) JPH0120370B2 (en)
AT (1) AT371254B (en)
AU (1) AU504400B2 (en)
BE (1) BE835263A (en)
BR (1) BR7507334A (en)
CA (1) CA1050784A (en)
CH (1) CH596550A5 (en)
CS (1) CS222221B2 (en)
DD (1) DD121184A5 (en)
DE (1) DE2452880C2 (en)
DK (1) DK152311C (en)
ES (1) ES457368A1 (en)
FR (1) FR2290660A1 (en)
GB (1) GB1485218A (en)
IN (1) IN145128B (en)
IT (1) IT1053136B (en)
NL (1) NL188961C (en)
SE (1) SE418421B (en)
SU (1) SU971119A3 (en)
ZA (1) ZA756981B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731106B2 (en) * 1985-11-26 1995-04-10 雅勇 中村 Impact hardness test method and impact hardness tester used therefor
FR2670582B1 (en) * 1990-12-12 1994-08-26 Castagner Bernard PYROTECHNIC DYNAMIC PENETROMETER.
US5591902A (en) * 1990-12-12 1997-01-07 Castagner; Bernard Dynamic pyrotechnical penetrometer
DE19514848A1 (en) * 1995-04-26 1996-10-31 Krautkraemer Gmbh Hardness test method and device therefor
DE19514857A1 (en) * 1995-04-27 1996-10-31 Krautkraemer Gmbh Method for testing the hardness of workpieces and device for carrying out this method
DE19904448A1 (en) * 1999-02-04 2000-08-24 Murat Bajozitovic Bakirov Non-destructive determination of local mechanical properties employs inductive determination of indenter velocity before and after impact, determining e.g. stiffness and damping characteristics.
IT201800002034U1 (en) * 2018-03-07 2019-09-07 Device for the non-destructive viscoelastic characterization of materials equipped with a snap button
CN112630078B (en) * 2020-12-17 2023-06-20 安徽工程大学 Detection device for electromagnetic shielding composite fiber membrane
CN112730120B (en) * 2020-12-23 2022-06-24 安正计量检测有限公司 A interior formula measuring instrument for hardness detects
CN113533105B (en) * 2021-09-16 2021-12-03 顺庭模具科技南通有限公司 Mould intensity check out test set

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750779C (en) * 1943-02-02 1945-01-26 Hardness tester working according to the penetration method with a device for displaying the penetration depth of the penetrator
US2654244A (en) * 1949-12-06 1953-10-06 Thompson Prod Inc Rebound hardness measuring device
US2677961A (en) * 1950-08-24 1954-05-11 Paul Zaro Portable hardness tester
US2764702A (en) * 1953-03-19 1956-09-25 Bendix Aviat Corp Velocity transducer
DE1187394B (en) * 1962-03-03 1965-02-18 Drello Ing Paul Drewell Retractable hardness tester
BE789742A (en) * 1971-10-15 1973-02-01 Schmidt Ernst HARDNESS TEST METHOD AND DEVICE

Also Published As

Publication number Publication date
DE2452880A1 (en) 1976-05-20
FR2290660A1 (en) 1976-06-04
NL7512714A (en) 1976-05-11
DD121184A5 (en) 1976-07-12
BR7507334A (en) 1976-08-03
GB1485218A (en) 1977-09-08
CS222221B2 (en) 1983-05-27
AU504400B2 (en) 1979-10-11
AT371254B (en) 1983-06-10
JPS5192673A (en) 1976-08-13
SU971119A3 (en) 1982-10-30
CA1050784A (en) 1979-03-20
FR2290660B1 (en) 1981-08-28
IT1053136B (en) 1981-08-31
IN145128B (en) 1978-09-02
DK152311C (en) 1988-07-25
SE7512411L (en) 1976-05-08
ES457368A1 (en) 1978-02-16
JPH0120370B2 (en) 1989-04-17
SE418421B (en) 1981-05-25
BE835263A (en) 1976-03-01
DK152311B (en) 1988-02-15
ATA839975A (en) 1982-10-15
DE2452880C2 (en) 1986-01-02
NL188961B (en) 1992-06-16
DK499475A (en) 1976-05-08
AU8642775A (en) 1977-05-12
CH596550A5 (en) 1978-03-15
ZA756981B (en) 1976-11-24

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent

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