MODEL OF PIPELINE Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: rigid cylindrical bushes are strung on a flexible hardware member so as to be capable to turn relatively each other. Each bush is made in the form of round cylinder, that is truncated under an angle to its base and has butts in the form of a truncated part and a base of cylinder. Truncated parts of the cylinders are engaged with each other and bases are engaged with each other. Butts have ring type surface of waveform pattern, formed by alternating pits and projections along circumference, due to which truncated parts and bases are engaged with each other. A part of cylindrical side surface, occupying place from the base up to truncated plane, has a scale with bending radius readings. Near the base there is a scale with readings angle of turning between planes of bending. EFFECT: model is used for pipeline construction. 3 cl, 6 dwg