GB1438520A - Particle counters - Google Patents
Particle countersInfo
- Publication number
- GB1438520A GB1438520A GB2952473A GB2952473A GB1438520A GB 1438520 A GB1438520 A GB 1438520A GB 2952473 A GB2952473 A GB 2952473A GB 2952473 A GB2952473 A GB 2952473A GB 1438520 A GB1438520 A GB 1438520A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plates
- june
- aperture
- slide
- cell
- 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
Links
- 239000002245 particle Substances 0.000 title abstract 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 239000010979 ruby Substances 0.000 abstract 1
- 229910001750 ruby Inorganic materials 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
Classifications
-
- G01N15/13—
Abstract
1438520 Particle analysis apparatus BECTON DICKINSON & CO 21 June 1973 [21 June 1972] 29524/73 Heading G1N To provide an easily cleanable aperture in Coulter type apparatus for investigating particles suspended in a fluid, the aperture ruby 48 is a press-fit in a thin flexible polyester sheet 36 which slides between acrylic plates 54, 56 containing the cell. The stainless steel inlet and outlet tubes 24, 26 act as electrodes. Central recesses 88 in the plates hold 'O'-rings 90 to seal with the slide (or with one another when the slide is withdrawn). The cell plates 54, 56 are screwed to a base block 52 having bore therein to accomodate a sample bottle 22 which is retained by a plastics blade-spring catch 76. Alternatively the base may connect to a conduit for continuous 'in line' monitoring.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26474872A | 1972-06-21 | 1972-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1438520A true GB1438520A (en) | 1976-06-09 |
Family
ID=23007432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2952473A Expired GB1438520A (en) | 1972-06-21 | 1973-06-21 | Particle counters |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3783376A (en) |
| JP (1) | JPS4953086A (en) |
| CA (1) | CA976236A (en) |
| FR (1) | FR2190271A5 (en) |
| GB (1) | GB1438520A (en) |
| IT (1) | IT980070B (en) |
| SE (1) | SE406510B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4180091A (en) * | 1977-11-18 | 1979-12-25 | Becton, Dickinson And Company | Purging means for aperture of blood cell counter |
| JPS61160038A (en) * | 1985-01-08 | 1986-07-19 | Sumitomo Electric Ind Ltd | Particle detector |
| US4760328A (en) * | 1986-05-05 | 1988-07-26 | Integrated Ionics, Inc. | Particle counter having electrodes and circuitry mounted on the pane of the orifice |
| EP0279000B1 (en) * | 1987-02-17 | 1993-07-21 | Ratcom, Inc. | Flow cytometry |
| AU1258495A (en) * | 1993-12-20 | 1995-07-10 | Abbott Laboratories | Mechanical capture of count wafer for particle analysis |
| US5432992A (en) * | 1993-12-23 | 1995-07-18 | Abbott Laboratories | Method of making count probe with removable count wafer |
| US5402062A (en) * | 1993-12-23 | 1995-03-28 | Abbott Laboratories | Mechanical capture of count wafer for particle analysis |
| AU1258595A (en) * | 1993-12-23 | 1995-07-10 | Abbott Laboratories | Method of making a stress relieved count probe |
| JPH07301595A (en) * | 1994-05-09 | 1995-11-14 | Toa Medical Electronics Co Ltd | Method and apparatus for measuring particle |
| GB9624096D0 (en) * | 1996-11-20 | 1997-01-08 | Microbial Systems Ltd | Apparatus and method of use thereof |
| US6111398A (en) * | 1997-07-03 | 2000-08-29 | Coulter International Corp. | Method and apparatus for sensing and characterizing particles |
| EP1316792B1 (en) * | 2001-11-30 | 2009-09-16 | Sysmex Corporation | Particle analyzer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2492768A (en) * | 1947-09-18 | 1949-12-27 | Gen Electric | Cloud moisture meter |
| CH481431A (en) * | 1968-04-05 | 1969-11-15 | Contraves Ag | Particle counter |
-
1972
- 1972-06-21 US US00264748A patent/US3783376A/en not_active Expired - Lifetime
-
1973
- 1973-03-05 SE SE7303052A patent/SE406510B/en unknown
- 1973-03-30 JP JP48035883A patent/JPS4953086A/ja active Pending
- 1973-03-30 IT IT49153/73A patent/IT980070B/en active
- 1973-05-04 FR FR7316825A patent/FR2190271A5/fr not_active Expired
- 1973-05-28 CA CA172,434A patent/CA976236A/en not_active Expired
- 1973-06-21 GB GB2952473A patent/GB1438520A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE406510B (en) | 1979-02-12 |
| FR2190271A5 (en) | 1974-01-25 |
| JPS4953086A (en) | 1974-05-23 |
| US3783376A (en) | 1974-01-01 |
| IT980070B (en) | 1974-09-30 |
| CA976236A (en) | 1975-10-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |