IT974181B - HARDNESS TESTING MACHINE - Google Patents

HARDNESS TESTING MACHINE

Info

Publication number: IT974181B
Authority: IT; Italy
Prior art keywords: testing machine; hardness testing; hardness; machine; testing
Prior art date: 1971-12-21

Application number

IT54858/72A

Other languages

Italian (it)

Original Assignee

Skf Cie Applic Mecanique

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.)

1971-12-21

Filing date

1972-12-19

Publication date

1974-06-20

1972-12-19 Application filed by Skf Cie Applic Mecanique filed Critical Skf Cie Applic Mecanique

1974-06-20 Application granted granted Critical

1974-06-20 Publication of IT974181B publication Critical patent/IT974181B/en

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
- G01N3/44—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid the indentors being put under a minor load and a subsequent major load, i.e. Rockwell system

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)

IT54858/72A 1971-12-21 1972-12-19 HARDNESS TESTING MACHINE IT974181B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7145860A FR2165164A5 (en)	1971-12-21	1971-12-21

Publications (1)

Publication Number	Publication Date
IT974181B true IT974181B (en)	1974-06-20

Family

ID=9087767

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT54858/72A IT974181B (en)	1971-12-21	1972-12-19	HARDNESS TESTING MACHINE

Country Status (5)

Country	Link
US (1)	US3855848A (en)
DE (1)	DE2260614B2 (en)
FR (1)	FR2165164A5 (en)
GB (1)	GB1385940A (en)
IT (1)	IT974181B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1561732A (en) *	1975-10-16	1980-02-27	Sidaway J	Hardnesstesting machine
GB1524601A (en) *	1976-03-16	1978-09-13	Monsanto Ltd	Hardness tester
CH612758A5 (en) *	1977-03-25	1979-08-15	Alfred Ernst
DE3737461C2 (en) *	1987-11-05	1997-06-19	Helmut Fischer Gmbh & Co	Guide device for a test piece of a hardness measuring device
AT398850B (en) *	1989-12-07	1995-02-27	Emco Maier Gmbh	PENETRATION HARDNESS TESTER
US5133210A (en) *	1990-02-06	1992-07-28	The University Of Maryland	Thermal expansion driven indentation stress-strain system
WO2005031314A1 (en) *	2003-09-26	2005-04-07	C.I.S.A.M. S.A.S. Di A Ernst E C.	Hardness tester with a loading structure of the indenter independent of the stress frame connecting the indenter to the anvil
WO2013145111A1 (en) *	2012-03-26	2013-10-03	株式会社マツザワ	Hardness testing device and hardness testing method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1141881A (en) *	1909-08-20	1915-06-01	Tinius Olsen Testing Mach Co	Machine for testing hardness.
US1646195A (en) *	1926-05-29	1927-10-18	Howard M German	Hardness-testing machine and method of testing hardness
US2333747A (en) *	1941-07-18	1943-11-09	Wilson Mechanical Instr Co Inc	Hardness tester
DE919437C (en) *	1951-02-11	1954-10-21	Alex Geiger Maschinenfabrik	Hardness testing device for carrying out the depth difference measurement method
US3416367A (en) *	1965-04-15	1968-12-17	Ernst Alfred	Hardness measuring apparatus
US3443422A (en) *	1965-10-04	1969-05-13	Ametek Inc	Testing machine

1971
- 1971-12-21 FR FR7145860A patent/FR2165164A5/fr not_active Expired
1972
- 1972-12-12 US US00314346A patent/US3855848A/en not_active Expired - Lifetime
- 1972-12-12 DE DE2260614A patent/DE2260614B2/en active Pending
- 1972-12-18 GB GB5830772A patent/GB1385940A/en not_active Expired
- 1972-12-19 IT IT54858/72A patent/IT974181B/en active

Also Published As

Publication number	Publication date
US3855848A (en)	1974-12-24
DE2260614B2 (en)	1974-03-21
GB1385940A (en)	1975-03-05
FR2165164A5 (en)	1973-08-03
DE2260614A1 (en)	1973-07-05

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