Screed Plate Assembly and Method of Fabrication

The screed plate assembly with a three-dimensional texturing pattern addresses uneven distribution by embedding aggregates within fines, resulting in a denser and more homogeneous paving mat with improved durability and resistance to weather and traffic.

US20260185311A1Pending Publication Date: 2026-07-02CATERPILLAR PAVING PROD INC
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
CATERPILLAR PAVING PROD INC
Filing Date
2024-12-30
Publication Date
2026-07-02

AI Technical Summary

Technical Problem

Existing screed assemblies in mobile paving machines struggle to distribute paving material evenly and homogeneously, leading to inconsistencies in the density and smoothness of the paving mat, which can be exacerbated by varying weather conditions and vehicular traffic.

Method used

A screed plate assembly featuring a support plate with a three-dimensional texturing pattern comprising geometric texturing bosses mounted to its lower surface, which enhances mixing and compaction of paving material by creating channeling grooves and varying elevations to embed aggregates within fines, resulting in a denser and more homogeneous mat.

Benefits of technology

The texturing pattern improves the distribution and compaction of paving material, producing a denser and more homogeneous paving mat with enhanced durability and resistance to weather and traffic, ensuring a smooth and durable surface.

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Abstract

A screed plate for a screed assembly to be towed by a mobile paver is fabricated from a support plate and a plurality of geometric texturing bosses. The support plate includes lower material contacting surface that may be flat and planar. The plurality of geometric texturing bosses each include a mounting base adapted for joinder to the support plate and a protruding body adapted to project with respect to the lower material contacting surface. The plurality of geometric texturing bosses can be arranged in a texturing pattern to physically manipulate the paving material and can joined to the support plate as a refitting kit.
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