Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1990-04-06
1991-04-09
Myracle, Jerry W.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73837, G01N 308
Patent
active
050054244
ABSTRACT:
Testing machine for the mechanical testing of material samples comprising a first and a second force engagement device, a first and a second sample engagement device, a first force measuring device which is positioned between the first sample engagement device on the one hand and the force by-pass device together with the first force engagement device on the other hand, an actuator to create the force to be applied, a force by-pass device which is connected to the first force engagement device and which tranfers an applied prestress force acting on one of the force engagement devices to the other while by-passing the sample positioned between the two sample engagement devices, whereby the force by-pass device is stiff, the second sample engagement device is, by way of a length adjustment device, slidably mounted in the direction of the application of force relative to the end of the force by-pass device which is not connected to a force engagement device and whereby the length adjustment device is connected to the second force engagement device and the second force engagement device is connected to the actuator which creates the force to be applied whereby a device which defines a prestress force to be applied during testing is connected to the actuator.
REFERENCES:
patent: 3135106 (1964-06-01), Lazan
Bundesanstalt fur Materialforschung und -prufung (BAM)
Myracle Jerry W.
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