GB2054841B - Measurement of basis weight by radiation gauge - Google Patents

Measurement of basis weight by radiation gauge

Info

Publication number: GB2054841B
Authority: GB; United Kingdom
Prior art keywords: measurement; basis weight; radiation gauge; gauge; radiation
Prior art date: 1979-06-22
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

GB8020239A

Other versions

GB2054841A (en

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.)

Sentrol Systems Ltd

Original Assignee

Sentrol Systems 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.)

1979-06-22

Filing date

1980-06-20

Publication date

1983-11-30

1980-06-20 Application filed by Sentrol Systems Ltd filed Critical Sentrol Systems Ltd

1981-02-18 Publication of GB2054841A publication Critical patent/GB2054841A/en

1983-11-30 Application granted granted Critical

1983-11-30 Publication of GB2054841B publication Critical patent/GB2054841B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
- G01B15/02—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness
- G01B15/025—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness by measuring absorption

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
General Physics & Mathematics (AREA)
Measurement Of Radiation (AREA)
Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

GB8020239A 1979-06-22 1980-06-20 Measurement of basis weight by radiation gauge Expired GB2054841B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US5125079A	1979-06-22	1979-06-22

Publications (2)

Publication Number	Publication Date
GB2054841A GB2054841A (en)	1981-02-18
GB2054841B true GB2054841B (en)	1983-11-30

Family

ID=21970188

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8020239A Expired GB2054841B (en)	1979-06-22	1980-06-20	Measurement of basis weight by radiation gauge

Country Status (5)

Country	Link
JP (1)	JPS5649970A (en)
CA (1)	CA1140274A (en)
DE (1)	DE3022883A1 (en)
FI (1)	FI801869A7 (en)
GB (1)	GB2054841B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6383228A (en) *	1986-09-25	1988-04-13	Nippon Steel Corp	Heating method and heating furnace in hot rolling line
JPS63186762U (en) *	1987-05-26	1988-11-30
DE10160398B4 (en) *	2001-12-10	2004-11-11	Dieffenbacher Gmbh + Co. Kg	Method and device for testing a mat made of biomass particles
EP4400825B1 (en) *	2022-11-18	2025-10-29	Contemporary Amperex Technology (Hong Kong) Limited	Surface density device calibration apparatus and surface density device calibration method

1980
- 1980-06-11 FI FI801869A patent/FI801869A7/en not_active Application Discontinuation
- 1980-06-19 DE DE19803022883 patent/DE3022883A1/en not_active Withdrawn
- 1980-06-20 CA CA000354444A patent/CA1140274A/en not_active Expired
- 1980-06-20 GB GB8020239A patent/GB2054841B/en not_active Expired
- 1980-06-21 JP JP8346480A patent/JPS5649970A/en active Pending

Also Published As

Publication number	Publication date
CA1140274A (en)	1983-01-25
JPS5649970A (en)	1981-05-06
GB2054841A (en)	1981-02-18
DE3022883A1 (en)	1981-01-22
FI801869A7 (en)	1981-01-01

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Legal Events

Date	Code	Title	Description
1994-02-16	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930620