Measuring and testing – Instrument mechanism or transmission – Rate of change
Patent
1994-04-21
1996-12-31
Noland, Thomas P.
Measuring and testing
Instrument mechanism or transmission
Rate of change
73597, 164456, G01N 3338, G01N 2918, G01N 2900, G01N 2910
Patent
active
055896502
ABSTRACT:
The invention relates to a process and an apparatus for defining the properties and composition of molding sand in casting works, wherein some of the properties are defined in a test sleeve which receives a molding sand sample. In order to create a process or a testing method which makes it possible to more quickly and easily determine the properties of the molding sand which are essential for purposeful use, the invention proposes to take an ultrasonic measurement of the sample of molding sand, wherein, independently of this, at least one further property of the sample of molding sand is measured or defined, and the combined results of the ultrasonic measurement and further measurement are used to define the properties and composition of the sample. In order to create an apparatus which makes it faster and simpler to define the properties of the molding sand which are important for purposeful application, at least one ultrasonic transducer is provided at an end of the sample.
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Derwent Abstract SU 150 3991, Aug. 30, 1989.
Eirich Paul
Flemming Eckardt
Ivanov Marian
Schuszter Thomas
Tilch Werner
Dunn Michael L.
Maschinenfabrik Gustav Eirich
Noland Thomas P.
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