PIPE-SHELL MADE OF COMPOSITION MATERIALS

摘要

FIELD: construction. ^ SUBSTANCE: pipe-shell comprises outer and inner walls, longitudinal members made by moulding to provide a set of rectilinear longitudinally oriented fibers distributed in the bulk of the polymeric binder. The forming surface of the longitudinal members is made of at least one layer of intersecting and/or interwoven fibers. ^ EFFECT: enhanced strength. ^ 66 cl, 13 dwg