GB2337598B - Particle sizing apparatus - Google Patents
Particle sizing apparatusInfo
- Publication number
- GB2337598B GB2337598B GB9914539A GB9914539A GB2337598B GB 2337598 B GB2337598 B GB 2337598B GB 9914539 A GB9914539 A GB 9914539A GB 9914539 A GB9914539 A GB 9914539A GB 2337598 B GB2337598 B GB 2337598B
- Authority
- GB
- United Kingdom
- Prior art keywords
- particle sizing
- sizing apparatus
- particle
- sizing
- 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
Links
- 239000002245 particle Substances 0.000 title 1
- 238000004513 sizing Methods 0.000 title 1
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
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N15/13—Details pertaining to apertures
-
- 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
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N2015/137—Cleaning
-
- 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
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N2015/138—Detecting blocking debris
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9624096.5A GB9624096D0 (en) | 1996-11-20 | 1996-11-20 | Apparatus and method of use thereof |
GB9724611A GB2319618B (en) | 1996-11-20 | 1997-11-20 | Particle sizing apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9914539D0 GB9914539D0 (en) | 1999-08-25 |
GB2337598A GB2337598A (en) | 1999-11-24 |
GB2337598B true GB2337598B (en) | 2000-08-16 |
Family
ID=26310433
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9914535A Expired - Fee Related GB2337597B (en) | 1996-11-20 | 1997-11-20 | Particle sizing apparatus |
GB9914541A Expired - Fee Related GB2337599B (en) | 1996-11-20 | 1997-11-20 | Particle sizing apparatus |
GB9914539A Expired - Fee Related GB2337598B (en) | 1996-11-20 | 1997-11-20 | Particle sizing apparatus |
GB9914542A Expired - Fee Related GB2337600B (en) | 1996-11-20 | 1997-11-20 | Particle sizing apparatus |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9914535A Expired - Fee Related GB2337597B (en) | 1996-11-20 | 1997-11-20 | Particle sizing apparatus |
GB9914541A Expired - Fee Related GB2337599B (en) | 1996-11-20 | 1997-11-20 | Particle sizing apparatus |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9914542A Expired - Fee Related GB2337600B (en) | 1996-11-20 | 1997-11-20 | Particle sizing apparatus |
Country Status (1)
Country | Link |
---|---|
GB (4) | GB2337597B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ537147A (en) | 2004-12-13 | 2007-06-29 | Australo Ltd | Method and apparatus for particle analysis |
CN105928755A (en) * | 2016-04-20 | 2016-09-07 | 上海建工材料工程有限公司 | Sealing method for impermeability test of concrete |
CN112710450B (en) * | 2020-12-16 | 2021-12-28 | 中国矿业大学 | Hydraulic pulse blockage removal experiment system and method for fracture blockage caused by particles |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1268790A (en) * | 1968-07-22 | 1972-03-29 | Coulter Electronics | Bath for a plurality of aperture tubes |
US3930736A (en) * | 1974-07-01 | 1976-01-06 | Coulter Electronics, Inc. | Aperture tube with attached thief |
US4078211A (en) * | 1976-09-29 | 1978-03-07 | Coulter Electronics, Inc. | Method and apparatus for balancing particle detecting signals generated in a particle study device having multiple apertures |
GB1597904A (en) * | 1977-02-15 | 1981-09-16 | Coulter Electronics | Particle testing apparatus |
WO1985001108A1 (en) * | 1983-08-29 | 1985-03-14 | Coulter Corporation | Method and apparatus for removing foreign matter from a flow cell of a particle study device |
GB2163555A (en) * | 1984-08-24 | 1986-02-26 | Descartes Universite Rene | Apparatus and process for determining the deformability of the red corpuscles in the blood |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2656508A (en) * | 1949-08-27 | 1953-10-20 | Wallace H Coulter | Means for counting particles suspended in a fluid |
US3259891A (en) * | 1964-05-01 | 1966-07-05 | Coulter Electronics | Debris alarm |
US3395344A (en) * | 1964-11-25 | 1968-07-30 | Coulter Electronics | Particle studying apparatus with selfclearing scanner element |
DD102215A1 (en) * | 1973-02-02 | 1973-12-12 | ||
US3963984A (en) * | 1974-11-04 | 1976-06-15 | Coulter Electronics, Inc. | Method and system for cleaning an aperture in a particle study device |
FR2472183B1 (en) * | 1979-12-12 | 1986-03-07 | Coulter Electronics | METHOD FOR CLEANING AN OPENING FOR A PARTICLE STUDY DEVICE AND APPARATUS FOR CARRYING OUT SAID METHOD |
US4412175A (en) * | 1981-04-30 | 1983-10-25 | Coulter Electronics, Inc. | Debris alarm |
US4450435A (en) * | 1981-11-30 | 1984-05-22 | Bobby Dencil James | Analog debris alarm |
GB8505047D0 (en) * | 1985-02-27 | 1985-03-27 | Alcan Int Ltd | Studying particles |
EP0279000B1 (en) * | 1987-02-17 | 1993-07-21 | Ratcom, Inc. | Flow cytometry |
US4977517A (en) * | 1988-09-21 | 1990-12-11 | Toni Diagnostics, Inc. | Leak and clog detection and removal system for use with particle counters |
-
1997
- 1997-11-20 GB GB9914535A patent/GB2337597B/en not_active Expired - Fee Related
- 1997-11-20 GB GB9914541A patent/GB2337599B/en not_active Expired - Fee Related
- 1997-11-20 GB GB9914539A patent/GB2337598B/en not_active Expired - Fee Related
- 1997-11-20 GB GB9914542A patent/GB2337600B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1268790A (en) * | 1968-07-22 | 1972-03-29 | Coulter Electronics | Bath for a plurality of aperture tubes |
US3930736A (en) * | 1974-07-01 | 1976-01-06 | Coulter Electronics, Inc. | Aperture tube with attached thief |
US4078211A (en) * | 1976-09-29 | 1978-03-07 | Coulter Electronics, Inc. | Method and apparatus for balancing particle detecting signals generated in a particle study device having multiple apertures |
GB1597904A (en) * | 1977-02-15 | 1981-09-16 | Coulter Electronics | Particle testing apparatus |
WO1985001108A1 (en) * | 1983-08-29 | 1985-03-14 | Coulter Corporation | Method and apparatus for removing foreign matter from a flow cell of a particle study device |
GB2163555A (en) * | 1984-08-24 | 1986-02-26 | Descartes Universite Rene | Apparatus and process for determining the deformability of the red corpuscles in the blood |
Also Published As
Publication number | Publication date |
---|---|
GB9914542D0 (en) | 1999-08-25 |
GB9914535D0 (en) | 1999-08-25 |
GB9914539D0 (en) | 1999-08-25 |
GB2337600B (en) | 2000-08-16 |
GB9914541D0 (en) | 1999-08-25 |
GB2337600A (en) | 1999-11-24 |
GB2337597A (en) | 1999-11-24 |
GB2337597B (en) | 2000-08-16 |
GB2337598A (en) | 1999-11-24 |
GB2337599B (en) | 2000-08-16 |
GB2337599A (en) | 1999-11-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20101120 |