Hybrid Drywall Mud Pan With Rigid Edges and Flexible Grip

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Solution Overview

Problem

Existing drywall mud pans lack a combination of flexibility and structural support that allows for secure tool engagement and user comfort during application, leading to inefficiencies in handling and dispensing viscous materials.

Innovation Solution

A hybrid drywall mud pan with a resilient flexible mud retaining body member and a self-supporting housing, featuring tool edge engagement and a comfortable user interface, secured by selective fasteners and friction fit trough fittings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If a rigid structure is used for the mud pan, then structural support and stability are improved, but flexibility and adaptability for tool engagement are worsened

Engineering Contradiction:
Improvestructural supportVSAvoidflexibility for tool engagement
Core Design Contradiction:
StrengthVSAdaptability or versatility

Solution Approach 1:

The mud pan is divided into separate components: a rigid housing structure and a flexible mud retaining body member. This segmentation allows each component to independently fulfill its specific function - the housing provides structural support while the flexible body member adapts to tool engagement requirements.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mud pan combines rigid and flexible materials in a composite structure. The housing is made from rigid material for stability, while the mud retaining body member is made from flexible material for adaptability. This composite approach resolves the contradiction by integrating materials with complementary properties.

Inventive Principle:
Principle #40Composite materials

2Adaptability or versatility

If a flexible material is used for the mud pan, then adaptability and comfort for user engagement are improved, but structural support and stability are worsened

Engineering Contradiction:
Improvecomfort for user engagementVSAvoidstructural support
Core Design Contradiction:
Adaptability or versatilityVSStrength

Solution Approach 1:

The mud pan is divided into separate components: a rigid housing structure and a flexible mud retaining body member. This segmentation allows each component to independently fulfill its specific function - the housing provides structural support while the flexible body member adapts to tool engagement requirements.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mud pan combines rigid and flexible materials in a composite structure. The housing is made from rigid material for stability, while the mud retaining body member is made from flexible material for adaptability. This composite approach resolves the contradiction by integrating materials with complementary properties.

Inventive Principle:
Principle #40Composite materials

3Reliability

If selective fasteners are added to secure the flexible body member, then retention reliability is improved, but device complexity increases

Engineering Contradiction:
Improveretention securityVSAvoidnumber of fasteners
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The flexible mud retaining body member is designed to be self-securing through friction fit and elastic retention against the rigid housing. This self-service mechanism eliminates the need for additional fasteners, achieving reliable retention without increasing device complexity.

Inventive Principle:
Principle #25Self-service

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 hybrid design provides secure, continuous retention and comfortable handling of viscous materials, enhancing the efficiency of drywall finishing operations.

Implementation Method 1

friction fit trough receiving fittings for receiving and retaining the flexible trough insert there within

Methodology Applied
Scientific EffectFriction fit: Friction

Data Source

PatentUS12571219B2Drywall mud pan configuration
Publication Date: 2026.03.10 VANVALIEN III WILLIAM H
  • US12571219B2 patent drawing
  • US12571219B2 patent drawing
  • US12571219B2 patent drawing

AI summary

A drywall mud pan that combines the shape retaining and mud dispensing properties of the traditional metal mud pan with the advantage of resilient easy to grip pan. A lightweight rigid support frame has upstanding mud tool engagement band edges. A flexible resilient mud retaining insert is supported within and interlocked by insert flange engagement between support frame spaced alignment end tabs which as assembled allows the user to comfortably grip and hold the pan by its flexible resilient insert while having the advantages of a rigid tool engagement scraping edges as found in traditional mud pans.