FR2378278A1 - Procede et dispositif pour la detection de l'heterogeneite d'un produit - Google Patents

Procede et dispositif pour la detection de l'heterogeneite d'un produit

Info

Publication number
FR2378278A1
FR2378278A1 FR7701418A FR7701418A FR2378278A1 FR 2378278 A1 FR2378278 A1 FR 2378278A1 FR 7701418 A FR7701418 A FR 7701418A FR 7701418 A FR7701418 A FR 7701418A FR 2378278 A1 FR2378278 A1 FR 2378278A1
Authority
FR
France
Prior art keywords
oscillator
prod
excited
conveyor belt
testing system
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.)
Granted
Application number
FR7701418A
Other languages
English (en)
French (fr)
Other versions
FR2378278B3 (enrdf_load_stackoverflow
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.)
ROLAND EMBALLAGES
Original Assignee
ROLAND EMBALLAGES
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 ROLAND EMBALLAGES filed Critical ROLAND EMBALLAGES
Priority to FR7701418A priority Critical patent/FR2378278A1/fr
Publication of FR2378278A1 publication Critical patent/FR2378278A1/fr
Application granted granted Critical
Publication of FR2378278B3 publication Critical patent/FR2378278B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/02—Investigating the presence of flaws

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
FR7701418A 1977-01-19 1977-01-19 Procede et dispositif pour la detection de l'heterogeneite d'un produit Granted FR2378278A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7701418A FR2378278A1 (fr) 1977-01-19 1977-01-19 Procede et dispositif pour la detection de l'heterogeneite d'un produit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7701418A FR2378278A1 (fr) 1977-01-19 1977-01-19 Procede et dispositif pour la detection de l'heterogeneite d'un produit

Publications (2)

Publication Number Publication Date
FR2378278A1 true FR2378278A1 (fr) 1978-08-18
FR2378278B3 FR2378278B3 (enrdf_load_stackoverflow) 1980-12-26

Family

ID=9185660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701418A Granted FR2378278A1 (fr) 1977-01-19 1977-01-19 Procede et dispositif pour la detection de l'heterogeneite d'un produit

Country Status (1)

Country Link
FR (1) FR2378278A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990010221A1 (en) * 1989-02-23 1990-09-07 Rockwool Lapinus B.V. Method and system for determining impurities in a strip of non-metallic material, preferably rock-wool
FR2647550A1 (fr) * 1989-05-26 1990-11-30 France Maintenance Automatisme Procede de mesure de caracteristiques physiques, de detection et d'identification de zones de defauts d'une piece, notamment en matiere ligneuse, et dispositif pour la mise en oeuvre d'un tel procede

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990010221A1 (en) * 1989-02-23 1990-09-07 Rockwool Lapinus B.V. Method and system for determining impurities in a strip of non-metallic material, preferably rock-wool
FR2647550A1 (fr) * 1989-05-26 1990-11-30 France Maintenance Automatisme Procede de mesure de caracteristiques physiques, de detection et d'identification de zones de defauts d'une piece, notamment en matiere ligneuse, et dispositif pour la mise en oeuvre d'un tel procede
EP0401143A3 (fr) * 1989-05-26 1991-11-27 France-Maintenance-Automatisme, S.A. Procédé de mesure de caractéristiques physiques, de détection et d'identification de zones de défauts d'une pièce, notamment en matière ligneuse, et dispositif pour la mise en oeuvre d'un tel procédé

Also Published As

Publication number Publication date
FR2378278B3 (enrdf_load_stackoverflow) 1980-12-26

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