Precast concrete pipe coupling and system and method for manufacturing the same

(10) WO2025007153A1

(22) 01.07.2024

(43) 02.01.2025

(57) An apparatus and method for manufacturing precast concrete pipe couplings used in municipal and infrastructure systems includes a mold apparatus particularly configured for the formation of monolithic, unitarily formed concrete pipe couplings that facilitate the joining of intersecting and/or bending sections of straight concrete pipes. The mold apparatus comprises a base, adjustable mold walls, and primary and secondary mold cores that shape the internal flow channels of the couplings and that allow for the creation of complex geometries without the need for scoring, cutting, or rejoining pipe sections, resulting in couplings with smooth internal surfaces that enhance fluid flow and reduce maintenance requirements. A monolithic concrete pipe coupling formed by the foregoing method and apparatus exhibits flat external surfaces, facilitating easy stacking, storage, and installation.

(71) Ameritex Pipe & Products, LLC, US

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