GB2243920B - Microhardness tester - Google Patents

Microhardness tester

Info

Publication number
GB2243920B
GB2243920B GB9106542A GB9106542A GB2243920B GB 2243920 B GB2243920 B GB 2243920B GB 9106542 A GB9106542 A GB 9106542A GB 9106542 A GB9106542 A GB 9106542A GB 2243920 B GB2243920 B GB 2243920B
Authority
GB
United Kingdom
Prior art keywords
microhardness tester
microhardness
tester
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 - Fee Related
Application number
GB9106542A
Other versions
GB9106542D0 (en
GB2243920A (en
Inventor
Edward Leon Tobolski
Thomas Patrick Farrell
Giacinto Vallone
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.)
WILSON INSTR Inc
Wilson Instruments Inc
Original Assignee
WILSON INSTR Inc
Wilson Instruments Inc
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 WILSON INSTR Inc, Wilson Instruments Inc filed Critical WILSON INSTR Inc
Publication of GB9106542D0 publication Critical patent/GB9106542D0/en
Publication of GB2243920A publication Critical patent/GB2243920A/en
Application granted granted Critical
Publication of GB2243920B publication Critical patent/GB2243920B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/14—Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
    • G02B7/16—Rotatable turrets
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
GB9106542A 1990-03-29 1991-03-27 Microhardness tester Expired - Fee Related GB2243920B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50116290A 1990-03-29 1990-03-29

Publications (3)

Publication Number Publication Date
GB9106542D0 GB9106542D0 (en) 1991-05-15
GB2243920A GB2243920A (en) 1991-11-13
GB2243920B true GB2243920B (en) 1993-11-10

Family

ID=23992374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9106542A Expired - Fee Related GB2243920B (en) 1990-03-29 1991-03-27 Microhardness tester

Country Status (4)

Country Link
JP (1) JPH07113734A (en)
CA (1) CA2039442A1 (en)
DE (1) DE4110382A1 (en)
GB (1) GB2243920B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2327504B (en) * 1997-07-18 2001-10-17 Hampden Test Equipment Ltd Improvements in and relating to durometers
CZ2013258A3 (en) * 2013-04-04 2014-08-13 České Vysoké Učení Technické V Praze, Fakulta Strojní, Ústav Materiálového Inženýrství System of instrumented measurement of indenter parameters
JP6079432B2 (en) * 2013-05-22 2017-02-15 株式会社島津製作所 Indenter unit and hardness tester
KR101673005B1 (en) * 2015-06-15 2016-11-16 주식회사 피스웰 Indentation Tester Device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413639B2 (en) * 1972-06-07 1979-06-01
JPS518986A (en) * 1974-07-10 1976-01-24 Akashi Seisakusho Kk KODOKEI

Also Published As

Publication number Publication date
GB9106542D0 (en) 1991-05-15
CA2039442A1 (en) 1991-09-30
JPH07113734A (en) 1995-05-02
DE4110382A1 (en) 1991-10-02
GB2243920A (en) 1991-11-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000327