CS231567B1 - Device for measuring change in length caused by temperature - Google Patents

Description

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Claims (1)

SUMMARY OF THE INVENTION Apparatus for measuring variations in length caused by a temperature consisting of a quartz holder of a quartz rod, a quartz rod and quartz rods, a resistance thermometer and a controlled furnace, characterized in that the quartz plate (2) is connected to quartz fingers (3, 4) disposed parallel to the quartz rods (1) which are connected at one end to the quartz angle (5) by a quartz bracket (6) and a support reflector (7), the test body (8) being in mechanical contact with the quartz thumb (3) and the silicon rod (9) by means of the holders (10) at the other end of which the relaxation-invariant reflector (11) is fixed and the resistance thermometer (12) is mounted on a quartz thumb (4) whose measuring element (13) is placed in parallel with the test specimen and the test specimen (8) ) and the measuring insert (13) are aligned with the center of the radial temperature of the furnace (16). 2 Drawings Recognized by the Invention based on the results of the Expertise by the Office of Invention and Patenting, Berlin, DB