Temperature Responsive Device.
DEPARTMENT OF THE ARMY WASHINGTON DC
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The present invention relates to temperature responsive devices and in particular to containers having meltable bodies therein. It is desirable to have a thermally responsive device which can actuate electrical, fluidic or mechanical devices. In addition it is desirable to have a simple thermal device which provides a visual indication of whether a predetermined temperature has been exceeded. It is also desirable that the thermal device be designable to operate reversibly or irreversibly. In accordance with the illustrative embodiments demonstrating features and advantages of the present invention there is provided a temperature responsive device. This device includes a container and a meltable body partially filling the container. This meltable body is meltable at a predetermined temperature. The temperature resonsive device also includes an actuating member arranged to translate through the container and displace the meltable body upon its melting.
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