Polymer-Coated Structural Connector for Nail-Through Installation
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Solution Overview
Problem
Conventional metallic connectors for framed buildings require manual nailing or expensive positive-placement nail guns due to small pre-formed apertures, leading to inefficiencies and increased costs in construction.
Innovation Solution
A polymer/metallic composite structural connector with a metal layer and a covering plastic layer, allowing nails to be driven using conventional nail guns without pre-formed apertures, featuring guide depressions for precise nail placement and interchangeable polymer layers for various configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional metallic connectors with pre-formed apertures are used, then structural integrity is ensured, but installation efficiency deteriorates due to manual nailing or expensive proprietary nail guns
Solution Approach 1:
Instead of making apertures small to ensure structural integrity and then requiring special tools to nail through them, the patent inverts the approach by making the connector surface entirely nail-receptive. The polymer material allows nails to be driven directly into the connector body without pre-formed holes, enabling use of conventional nail guns while maintaining structural integrity through the polymer's inherent nail-holding capability.
Solution Approach 2:
The patent changes the physical parameters of the connector material from traditional metal with small apertures to polymer material with no apertures. This parameter change in material composition and surface characteristics allows nails to be driven directly into the connector body, transforming the installation process from requiring precision aperture alignment to allowing freehand nailing with conventional tools.
2Measurement precision
If manual nailing is used to affix connectors, then precise nail placement is achieved, but labor time and cost increase significantly
Solution Approach 1:
The polymer connector surface serves its own dual function: it provides both the structural connection element and the nail-receptive surface. The material self-adjusts to nail placement, allowing conventional nail guns to achieve adequate precision without manual positioning, as the polymer deforms slightly to accommodate nail entry while maintaining structural integrity.
3Productivity
If positive-placement nail guns are used, then installation speed improves, but equipment cost and consumable cost increase
Solution Approach 1:
The polymer connector surface is designed to be universally compatible with all conventional nail guns, eliminating the need for proprietary positive-placement systems. The entire surface area of the polymer connector can receive nails, making the connector adaptable to any standard nail gun without requiring special alignment features, probes, or proprietary consumables.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables quick and efficient installation of connectors using conventional nail guns, reducing labor and costs by eliminating the need for proprietary nail systems and ensuring safe nail driving without direct contact with metal surfaces.
Implementation Method 1
a plastic layer at least partially covering the metal layer
Data Source
AI summary
The present invention is a polymer/metallic composite structural connector for use in the construction of framed buildings. The connector includes a metal layer and a polymer layer. While the metal layer provides the conventional connection and structural strength, the polymer layer prevents driven anchors from impacting the metal and damaging either the connector or the anchor.