GB2231154B - Apparatus and method for determining powder characteristics - Google Patents

Apparatus and method for determining powder characteristics

Info

Publication number
GB2231154B
GB2231154B GB9003228A GB9003228A GB2231154B GB 2231154 B GB2231154 B GB 2231154B GB 9003228 A GB9003228 A GB 9003228A GB 9003228 A GB9003228 A GB 9003228A GB 2231154 B GB2231154 B GB 2231154B
Authority
GB
United Kingdom
Prior art keywords
powder characteristics
determining powder
determining
powder
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
GB9003228A
Other versions
GB9003228D0 (en
GB2231154A (en
Inventor
Haroun Mahgerefteh
Brian Briscoe
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.)
BTG International Ltd
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
British Technology Group Ltd
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 National Research Development Corp UK, British Technology Group Ltd filed Critical National Research Development Corp UK
Publication of GB9003228D0 publication Critical patent/GB9003228D0/en
Publication of GB2231154A publication Critical patent/GB2231154A/en
Application granted granted Critical
Publication of GB2231154B publication Critical patent/GB2231154B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
GB9003228A 1989-02-14 1990-02-13 Apparatus and method for determining powder characteristics Expired - Fee Related GB2231154B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898903320A GB8903320D0 (en) 1989-02-14 1989-02-14 Particle sizer

Publications (3)

Publication Number Publication Date
GB9003228D0 GB9003228D0 (en) 1990-04-11
GB2231154A GB2231154A (en) 1990-11-07
GB2231154B true GB2231154B (en) 1993-04-28

Family

ID=10651667

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898903320A Pending GB8903320D0 (en) 1989-02-14 1989-02-14 Particle sizer
GB9003228A Expired - Fee Related GB2231154B (en) 1989-02-14 1990-02-13 Apparatus and method for determining powder characteristics

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898903320A Pending GB8903320D0 (en) 1989-02-14 1989-02-14 Particle sizer

Country Status (3)

Country Link
EP (1) EP0458869A1 (en)
GB (2) GB8903320D0 (en)
WO (1) WO1990009573A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9218659D0 (en) * 1992-09-01 1992-10-21 Atomic Energy Authority Uk Aerosol sampler
FR2762094B1 (en) * 1997-04-10 1999-05-21 Automation Et Dev Ind Du Sud FRUIT MATURATION MONITORING SENSOR
GB2356711B (en) 1999-11-25 2003-01-22 Technometrics Ltd Particle size distribution analyser

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2243432A1 (en) * 1973-07-31 1975-04-04 Schlumberger Compteurs Dust content meter - for measuring dust in circulating gases
GB1516785A (en) * 1975-11-25 1978-07-05 Fiat Spa Method and apparatus for testing the quality of cast iron pieces especially spheroidal cast-iron pieces
GB2189320A (en) * 1986-04-21 1987-10-21 Atomic Energy Authority Uk Detection of loose particles in containers
GB2190748A (en) * 1986-05-20 1987-11-25 Shinko Denshi Kk Load measuring apparatus of vibration type with linear characteristic

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1585708A (en) * 1977-12-20 1981-03-11 Shell Int Research Method and means of detecting solid particles in a fluid flowing through a conduit
JPS6238345A (en) * 1985-08-14 1987-02-19 Hitachi Ltd Method and instrument for analyzing solid particles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2243432A1 (en) * 1973-07-31 1975-04-04 Schlumberger Compteurs Dust content meter - for measuring dust in circulating gases
GB1516785A (en) * 1975-11-25 1978-07-05 Fiat Spa Method and apparatus for testing the quality of cast iron pieces especially spheroidal cast-iron pieces
GB2189320A (en) * 1986-04-21 1987-10-21 Atomic Energy Authority Uk Detection of loose particles in containers
GB2190748A (en) * 1986-05-20 1987-11-25 Shinko Denshi Kk Load measuring apparatus of vibration type with linear characteristic

Also Published As

Publication number Publication date
GB9003228D0 (en) 1990-04-11
EP0458869A1 (en) 1991-12-04
WO1990009573A1 (en) 1990-08-23
GB8903320D0 (en) 1989-04-05
GB2231154A (en) 1990-11-07

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960213