Single-Extrusion Gate Upright with Glue-Based Rail Attachment

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Solution Overview

Problem

Current gate manufacturing methods require external welding, which weakens the structure, damages powder coating, and complicates coating uniformity, leading to weathering issues and increased manufacturing costs.

Innovation Solution

A gate kit featuring single-extrusion uprights with internal molecular bonding and glue-based attachment of rails, eliminating the need for external welding and adaptors, while allowing for customizable gate sizes and shapes without compromising the coating integrity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If external welding is used to assemble gate components, then the gate can be manufactured with separate parts, but the structural strength is weakened and the powder coating is damaged

Engineering Contradiction:
Improvemanufacturing processVSAvoidstructural strength
Core Design Contradiction:
Ease of manufactureVSStrength

Solution Approach 1:

The patent merges multiple separate gate components (uprights, rails, braces) into a single integrated extrusion. The T-shaped cross-section allows vertical members to be extruded with integrated horizontal member receptacles, eliminating the need for separate welding operations and creating a unified strong structure.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent uses composite construction by combining multiple extruded aluminum members that fit together through mechanical interlocking. The T-shaped profile creates a composite assembly where vertical and horizontal members are molecularly bonded through the extrusion process, providing strength without welding.

Inventive Principle:
Principle #40Composite materials

2Ease of manufacture

If external welding is used to assemble gate components, then the gate can be manufactured with separate parts, but the powder coating integrity is compromised

Engineering Contradiction:
Improvemanufacturing processVSAvoidcoating integrity
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent merges multiple gate components into a single pre-coated extrusion. The entire T-shaped structure is coated before assembly, ensuring uniform powder coating coverage without exposed weld areas that would compromise coating integrity or require touch-up painting.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent applies the powder coating to the extrusions before they are assembled into the gate structure. This preliminary coating action ensures that all surfaces are protected with a uniform finish before any assembly operations, eliminating the need for post-assembly coating repairs.

Inventive Principle:
Principle #10Preliminary action

3Manufacturing precision

If pre-coated extrusions are used for gate manufacturing, then coating uniformity is improved, but welding operations cause weathering discrepancies

Engineering Contradiction:
Improvecoating uniformityVSAvoidweathering consistency
Core Design Contradiction:
Manufacturing precisionVSReliability

Solution Approach 1:

The patent merges all gate components into pre-coated extrusions that are assembled without welding. This ensures that all parts weather uniformly since none of the pre-applied coating is damaged by welding operations, maintaining aesthetic consistency throughout the gate's service life.

Inventive Principle:
Principle #5Merging (Combining)

4Ease of manufacture

If traditional gate assembly methods with adaptors and welds are used, then components can be joined, but the aesthetic appearance is marred and additional painting is required

Engineering Contradiction:
Improveassembly processVSAvoidaesthetic appearance
Core Design Contradiction:
Ease of manufactureVSShape

Solution Approach 1:

The patent merges all structural components into a clean, integrated design where the T-shaped extrusion provides both structural function and aesthetic appearance. The absence of welds, adaptors, and visible fasteners maintains the smooth powder-coated surface and modern aesthetic throughout the gate structure.

Inventive Principle:
Principle #5Merging (Combining)

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

The solution provides a stronger, more durable gate with improved coating uniformity, reducing manufacturing costs and warranty claims by allowing pre-coated extrusions to be used, and enabling micro-fabrication of custom gates without weathering discrepancies.

Implementation Method 1

The uprights are manufactured as a single extrusion, which means that all the parts of the uprights are molecularly bonded to each other. This produces a significantly stronger upright as compared with the prior art that often requires an adaptor, screws, bolts or welds

Methodology Applied
Scientific EffectMolecular bonding: Chemical Bonding

Implementation Method 2

The outside surface of this full inner wall can be coated with glue. The rail is inserted into an opening in the gate upright, then rotated such that the side of the rail presses against the glue.

Methodology Applied
Scientific EffectAdhesion: Adhesive

Data Source

PatentUS20250092713A1Gate Upright
Publication Date: 2025.03.20 ASH GARY W
  • US20250092713A1 patent drawing
  • US20250092713A1 patent drawing
  • US20250092713A1 patent drawing

AI summary

A single extrusion gate upright has a hole for a rail and one or more inner walls which can be coated with glue prior to the insertion of the rail. In a preferred embodiment, there are two inner walls, one of which is only a partial inner wall, which allows the user to coat the outside surface of the inner walls with glue, then insert the rail at an angle, to avoid screeding the glue toward the back of the gate upright, then rotate the rail onto the full inner wall, and slide the rail a short distance to lock it behind the partial inner wall. In another preferred embodiment, there is only one full inner wall, and the rail is inserted at an angle, then rotated against the inner wall. Glue beads at intersections between the rail and gate upright form an interlocking bracket for further support.