NO983075L - Device for measuring the concentration of airborne fibers - Google Patents

Device for measuring the concentration of airborne fibers

Info

Publication number: NO983075L
Authority: NO; Norway
Prior art keywords: concentration; measuring; airborne fibers; airborne; fibers
Prior art date: 1996-11-04

Application number

NO983075A

Other languages

Norwegian (no)

Other versions

NO983075D0 (en

Inventor

Brian M Ence

Original Assignee

Certain Teed Corp

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.)

1996-11-04

Filing date

1998-07-02

Publication date

1998-08-28

1996-11-04 Priority claimed from US08/743,554 external-priority patent/US6005662A/en

1996-11-04 Priority claimed from US08/743,555 external-priority patent/US6512583B1/en

1998-07-02 Application filed by Certain Teed Corp filed Critical Certain Teed Corp

1998-07-02 Publication of NO983075D0 publication Critical patent/NO983075D0/en

1998-08-28 Publication of NO983075L publication Critical patent/NO983075L/en

Links

239000000835 fiber Substances 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
- G01N15/02—Investigating particle size or size distribution
- 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
- G01N15/0205—Investigating particle size or size distribution by optical means
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- 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
- G01N15/06—Investigating concentration of particle suspensions
- 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
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
- G01N2015/0049—Investigating dispersion of solids in gas, e.g. smoke of filaments in gas

Landscapes

Chemical & Material Sciences (AREA)
Biochemistry (AREA)
Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Analytical Chemistry (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Dispersion Chemistry (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)
Treatment Of Fiber Materials (AREA)

NO983075A 1996-11-04 1998-07-02 Device for measuring the concentration of airborne fibers NO983075L (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US08/743,554 US6005662A (en)	1996-11-04	1996-11-04	Apparatus and method for the measurement and separation of airborne fibers
US08/743,555 US6512583B1 (en)	1996-11-04	1996-11-04	Apparatus and method for the dimensional measurement of airborne fibers
PCT/US1997/020047 WO1998020320A1 (en)	1996-11-04	1997-11-03	Device for measuring the concentration of airborne fibers

Publications (2)

Publication Number	Publication Date
NO983075D0 NO983075D0 (en)	1998-07-02
NO983075L true NO983075L (en)	1998-08-28

Family

ID=27114167

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO983075A NO983075L (en)	1996-11-04	1998-07-02	Device for measuring the concentration of airborne fibers

Country Status (12)

Country	Link
EP (1)	EP0882223A1 (en)
JP (1)	JP2000503405A (en)
KR (1)	KR19990072187A (en)
AU (1)	AU736174B2 (en)
BR (1)	BR9706914A (en)
CA (1)	CA2239857A1 (en)
CZ (1)	CZ188098A3 (en)
HU (1)	HUP0001651A3 (en)
NO (1)	NO983075L (en)
PL (1)	PL327503A1 (en)
TR (1)	TR199801215T1 (en)
WO (1)	WO1998020320A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4787645B2 (en) *	2006-03-28	2011-10-05	倉敷紡績株式会社	Fibrous particle measuring method and apparatus
JP4952261B2 (en) *	2007-01-12	2012-06-13	株式会社大林組	Concentration measuring device, concentration measuring system, and concentration measuring method
KR102157179B1 (en) *	2019-01-25	2020-09-18	주식회사 이노서플	Measuring System for Particulate Matter in Air
FR3119236B1 (en) *	2021-01-22	2023-12-22	Brgm	On-site detection system for asbestos particles in construction materials

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1316752A (en) *	1970-02-12	1973-05-16	Atomic Energy Authority Uk	Apparatus for analysing suspended particles
US3740148A (en) *	1970-12-08	1973-06-19	Research Corp	Portable dust analyzer
US4249244A (en) *	1978-05-03	1981-02-03	Ppm, Inc.	Electro-optical system and method and apparatus for providing automatically-compensating, traceable calibration and zeroing for light scattering devices
US4940327A (en) *	1988-10-25	1990-07-10	Trc Companies Inc.	Method and apparatus for real time asbestos aerosol monitoring

1997
- 1997-03-11 TR TR1998/01215T patent/TR199801215T1/en unknown
- 1997-11-03 BR BR9706914-0A patent/BR9706914A/en unknown
- 1997-11-03 PL PL97327503A patent/PL327503A1/en unknown
- 1997-11-03 HU HU0001651A patent/HUP0001651A3/en unknown
- 1997-11-03 KR KR1019980704548A patent/KR19990072187A/en not_active Application Discontinuation
- 1997-11-03 WO PCT/US1997/020047 patent/WO1998020320A1/en not_active Application Discontinuation
- 1997-11-03 EP EP97946502A patent/EP0882223A1/en not_active Withdrawn
- 1997-11-03 AU AU51658/98A patent/AU736174B2/en not_active Ceased
- 1997-11-03 CZ CZ981880A patent/CZ188098A3/en unknown
- 1997-11-03 JP JP10521689A patent/JP2000503405A/en active Pending
- 1997-11-03 CA CA002239857A patent/CA2239857A1/en not_active Abandoned
1998
- 1998-07-02 NO NO983075A patent/NO983075L/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
KR19990072187A (en)	1999-09-27
BR9706914A (en)	2000-01-04
NO983075D0 (en)	1998-07-02
EP0882223A1 (en)	1998-12-09
AU736174B2 (en)	2001-07-26
EP0882223A4 (en)	1999-01-07
CA2239857A1 (en)	1998-05-14
CZ188098A3 (en)	1998-11-11
HUP0001651A2 (en)	2000-09-28
HUP0001651A3 (en)	2003-01-28
AU5165898A (en)	1998-05-29
TR199801215T1 (en)	1999-02-22
WO1998020320A1 (en)	1998-05-14
JP2000503405A (en)	2000-03-21
PL327503A1 (en)	1998-12-21

Legal Events

Date	Code	Title	Description
2004-11-29	FC2A	Withdrawal, rejection or dismissal of laid open patent application

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