FIELD: erection of pipe line transport; hauling pipe line of 57-377 mm in diameter inside protective casing or inside another pipe for construction of pedestrian underpasses.
SUBSTANCE: proposed bearing plastic ring consists of two segments interconnected together and made according to radius of pipe line external diameter; they are provided with intake and entry fastening units. Intake fastening located on one end of segment is made in form of rectangular slot open from three sides and provided with "herringbone" teeth on inner surfaces; entry unit located on opposite end of segment is made in form of rectangular plate with "herringbone" teeth on its outer surfaces at respective pitch for locking second segment in intake unit while assembling them in half-ring and ring.
EFFECT: extended functional capabilities.
8 cl, 10 dwg
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