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.)
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.)
Huettenwerk Oberhausen AG
Original Assignee
Huettenwerk Oberhausen AG
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Filing date
Publication date
Priority to BE633457DpriorityCriticalpatent/BE633457A/xx
Application filed by Huettenwerk Oberhausen AGfiledCriticalHuettenwerk Oberhausen AG
Priority to FR937007Aprioritypatent/FR1358262A/fr
Application grantedgrantedCritical
Publication of FR1358262ApublicationCriticalpatent/FR1358262A/fr
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
G01N29/04—Analysing solids
G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
G01N29/075—Analysing solids by measuring propagation velocity or propagation time of acoustic waves by measuring or comparing phase angle
G—PHYSICS
G01—MEASURING; TESTING
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N2291/00—Indexing codes associated with group G01N29/00
G01N2291/26—Scanned objects
G01N2291/263—Surfaces
G01N2291/2632—Surfaces flat
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Physics & Mathematics
(AREA)
Acoustics & Sound
(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)
FR937007A1963-06-051963-06-05Procédé de contrôle de tôles à l'aide de vibrations d'une plaque excitée à fréquence ultra-sonore
ExpiredFR1358262A
(fr)