CA969618A - Aperture tube assembly for particle study apparatus - Google Patents

Aperture tube assembly for particle study apparatus

Info

Publication number
CA969618A
CA969618A CA149,895A CA149895A CA969618A CA 969618 A CA969618 A CA 969618A CA 149895 A CA149895 A CA 149895A CA 969618 A CA969618 A CA 969618A
Authority
CA
Canada
Prior art keywords
tube assembly
aperture tube
study apparatus
particle study
particle
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
Application number
CA149,895A
Other versions
CA149895S (en
Inventor
Douglas H. Hoskins
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA969618A publication Critical patent/CA969618A/en
Expired 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
    • G01N15/10—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

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)
CA149,895A 1972-04-12 1972-08-21 Aperture tube assembly for particle study apparatus Expired CA969618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24326972A 1972-04-12 1972-04-12

Publications (1)

Publication Number Publication Date
CA969618A true CA969618A (en) 1975-06-17

Family

ID=22918040

Family Applications (1)

Application Number Title Priority Date Filing Date
CA149,895A Expired CA969618A (en) 1972-04-12 1972-08-21 Aperture tube assembly for particle study apparatus

Country Status (2)

Country Link
US (1) US3763429A (en)
CA (1) CA969618A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471297A (en) * 1982-09-27 1984-09-11 Particle Data, Inc. Multi-sample particle analysis apparatus and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1969081A (en) * 1930-12-26 1934-08-07 Smidth & Co As F L Apparatus for use in the determination of grain sizes in granular material
US3444464A (en) * 1965-11-26 1969-05-13 Coulter Electronics Multiple aperture fittings for particle analyzing apparatus

Also Published As

Publication number Publication date
US3763429A (en) 1973-10-02

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