T-Shaped Drywall Patch Frame for Flush Repair

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Solution Overview

Problem

Existing drywall patch kits fail to provide a simple, affordable, and easy-to-use means for securing a new drywall piece during repairs without adding thickness or requiring external attachment, which complicates blending with the surrounding wall.

Innovation Solution

A preformed T-shaped frame or pieces that create a secure frame around the hole, allowing for the attachment of a new drywall piece without additional wood or screws, with alternative embodiments including square and circular shapes that can be cut to fit various applications, and the option to cut pieces in half for easier installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If external attachment methods (wood strips, screws) are used to secure drywall patches, then structural support is provided, but wall thickness increases and blending becomes difficult

Engineering Contradiction:
Improvestructural supportVSAvoidwall thickness
Core Design Contradiction:
StrengthVSLength of stationary object

Solution Approach 1:

The patent moves the attachment mechanism from the external dimension (outside the wall surface) to the internal dimension (inside the wall cavity). The L-shaped metal member extends into the wall cavity rather than protruding outward, providing structural support through internal anchoring while keeping the external surface flush with the surrounding wall.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The attachment member is nested within the wall cavity structure. The L-shaped metal member fits inside the wall opening, with its flanges extending into the cavity space between the drywall sheets, effectively hiding the support structure within the wall itself rather than adding external bulk.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Ease of manufacture

If traditional patch kits are used, then drywall replacement is possible, but installation complexity increases due to multiple steps and tools required

Engineering Contradiction:
Improveease of repairVSAvoidinstallation complexity
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The patent combines multiple functions into a single integrated component. The L-shaped metal member simultaneously provides structural support, serves as an attachment surface for the drywall patch, and anchors into the wall cavity—all in one piece, eliminating the need for separate wood strips, screws, and multiple installation steps.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The attachment member is designed to be self-installing through the existing wall opening without requiring external fastening tools or additional structural elements. The flanges naturally engage with the drywall sheets, and the patch panel simply attaches to the provided surface, making the repair process self-contained.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20240318445A1Apparatus for Patching or Repairing Drywall
Publication Date: 2024.09.26 FATTAL JOSEPH
  • US20240318445A1 patent drawing
  • US20240318445A1 patent drawing
  • US20240318445A1 patent drawing

AI summary

An apparatus for patching or repairing drywall using a preformed frame or pieces for creating for a frame to secure a replacement section or drywall piece for repair. A T shaped piece or section to create a frame around a hole in drywall to secure a new piece of drywall to provide a repair to the hole or other damage. The ridge created by the leg of the T fits between the drywall pieces around the hole on the wall and the new piece of drywall is then attached. This process is then repeated for all sides of the hole until a frame has been built. After installation into a rectangular hole in a wall, the T shaped pieces/sections create the new frame used to glue a new piece of drywall to the wall. Alternative embodiments of the present invention include square and circle premade single and multi-part.