GB2231156B - Thickness gauge for plastics film - Google Patents

Thickness gauge for plastics film

Info

Publication number
GB2231156B
GB2231156B GB8927819A GB8927819A GB2231156B GB 2231156 B GB2231156 B GB 2231156B GB 8927819 A GB8927819 A GB 8927819A GB 8927819 A GB8927819 A GB 8927819A GB 2231156 B GB2231156 B GB 2231156B
Authority
GB
United Kingdom
Prior art keywords
thickness gauge
plastics film
plastics
film
gauge
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
Application number
GB8927819A
Other versions
GB2231156A (en
GB8927819D0 (en
Inventor
Tom Bailie
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.)
LAMBERG IND RES ASS
Original Assignee
LAMBERG IND RES ASS
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 LAMBERG IND RES ASS filed Critical LAMBERG IND RES ASS
Publication of GB8927819D0 publication Critical patent/GB8927819D0/en
Publication of GB2231156A publication Critical patent/GB2231156A/en
Application granted granted Critical
Publication of GB2231156B publication Critical patent/GB2231156B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means
    • G01B7/087—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means for measuring of objects while moving

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB8927819A 1987-06-11 1989-12-08 Thickness gauge for plastics film Expired - Fee Related GB2231156B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878713677A GB8713677D0 (en) 1987-06-11 1987-06-11 Thickness gauge for plastic film
PCT/GB1988/000454 WO1988009912A1 (en) 1987-06-11 1988-06-10 Thickness gauge for plastic film

Publications (3)

Publication Number Publication Date
GB8927819D0 GB8927819D0 (en) 1990-03-21
GB2231156A GB2231156A (en) 1990-11-07
GB2231156B true GB2231156B (en) 1991-06-12

Family

ID=10618754

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878713677A Pending GB8713677D0 (en) 1987-06-11 1987-06-11 Thickness gauge for plastic film
GB8927819A Expired - Fee Related GB2231156B (en) 1987-06-11 1989-12-08 Thickness gauge for plastics film

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878713677A Pending GB8713677D0 (en) 1987-06-11 1987-06-11 Thickness gauge for plastic film

Country Status (3)

Country Link
AU (1) AU1952988A (en)
GB (2) GB8713677D0 (en)
WO (1) WO1988009912A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5097216A (en) * 1990-10-09 1992-03-17 Agr International, Inc. Apparatus for inspecting the wall thickness of a container and corresponding method
AT408580B (en) * 1997-11-21 2002-01-25 Bierbaumer Hans Peter Dr MEASURING DEVICE AT LEAST FOR DETERMINING THE THICKNESS OF A TRAIN AND METHOD THEREFOR
EP1182423B1 (en) * 2000-08-24 2004-01-07 Plast-Control Gerätebau GmbH Sensor for measuring capacitively the tickness of sheets
CH698446B1 (en) * 2006-12-01 2009-08-14 Hsr Hochschule Fuer Technik Ra System for measuring a physical quantity.
EP2837484B1 (en) 2013-08-14 2020-10-21 Electronic Systems S.p.A. Apparatus for automatically analyzing extruded films

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519922A (en) * 1965-12-16 1970-07-07 Nash & Harrison Ltd Apparatus for detecting abrupt change in the thickness of sheet material
US3523246A (en) * 1965-04-27 1970-08-04 Brian Reginald Hall Method of and apparatus for testing a laminar material for irregularities of thickness
US3679972A (en) * 1971-04-26 1972-07-25 Lion Precision Corp Micrometer thickness gage
DE3300320A1 (en) * 1982-02-10 1983-09-01 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Monitoring and evaluation device for fault and multiple-sheet monitoring and measurement of thickness
EP0097570A2 (en) * 1982-06-22 1984-01-04 Banque De France Device for checking the thickness of dielectric sheet material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3523246A (en) * 1965-04-27 1970-08-04 Brian Reginald Hall Method of and apparatus for testing a laminar material for irregularities of thickness
US3519922A (en) * 1965-12-16 1970-07-07 Nash & Harrison Ltd Apparatus for detecting abrupt change in the thickness of sheet material
US3679972A (en) * 1971-04-26 1972-07-25 Lion Precision Corp Micrometer thickness gage
DE3300320A1 (en) * 1982-02-10 1983-09-01 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Monitoring and evaluation device for fault and multiple-sheet monitoring and measurement of thickness
EP0097570A2 (en) * 1982-06-22 1984-01-04 Banque De France Device for checking the thickness of dielectric sheet material

Also Published As

Publication number Publication date
GB2231156A (en) 1990-11-07
AU1952988A (en) 1989-01-04
GB8713677D0 (en) 1987-07-15
GB8927819D0 (en) 1990-03-21
WO1988009912A1 (en) 1988-12-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920610