Encapsulated actuator for testing of specimens

Details Encapsulated actuator for testing of specimens Encapsulated actuator for testing of specimens

1990-06-22

1991-11-05

Myracle, Jerry W.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

G01N 300

Patent

active

050623036

ABSTRACT:
An encapsulated actuator for testing specimens includes a housing contain a wall defining first and second chambers. The specimen under test is arranged in one of the chambers and vent holes are provided in the wall in order to equalize the pressure within the chambers. An actuator is arranged in the second chamber for generating a mechanical force and a force transmitting device is connected between the actuator and the specimen. The force transmitting device passes through an opening in the housing wall and transmits the mechanical force from the actuator to the specimen. Because the actuator is encapsulated within the housing, it is subjected to the same confining pressure as the specimen.

REFERENCES:
patent: 4679441 (1987-07-01), Johnson et al.

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