FIELD: pipeline transportation.
SUBSTANCE: coupling case has at least two elements moving in relation to each other. One of these elements is made in the form of a plate, one end of this plate is jointed to the inner side of the case and the other end is free. The plate has a limit stop positioned inside the case for the free end of the plate.
EFFECT: improved manufacturability of pipeline installation.
6 cl, 3 dwg
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