Wireless Illuminating Device for Gypsum Board Finishing

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Solution Overview

Problem

The existing methods for finishing gypsum board surfaces require high expertise and multiple coats of joint compound, with conventional work lights failing to consistently illuminate imperfections, leading to incomplete smoothing and increased time due to frequent repositioning and shadow issues.

Innovation Solution

A method utilizing wireless lighting devices with removable magnetic or adhesive attachments, powered by rechargeable batteries, that provide consistent illumination across the surface by remaining in fixed positions, using light-emitting diodes to highlight imperfections and anomalies, allowing precise application of joint compound without excessive waste and minimizing sanding time.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If conventional work lights are used to illuminate gypsum board surfaces, then illumination is provided, but the lights require frequent repositioning and create shadows that obscure imperfections

Engineering Contradiction:

Improveillumination consistencyVSAvoidtime for repositioning lights

Core Design Contradiction:

Illumination intensityVSLoss of time

Solution Approach 1:

The patent replaces conventional mechanical work lights with a magnetic illumination device that attaches directly to the gypsum board surface. This substitution eliminates the need for frequent repositioning and shadow creation by fixing the light source in optimal positions magnetically, providing consistent illumination throughout the finishing process.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If multiple coats of joint compound are applied to achieve smooth finish, then surface smoothness is improved, but the process time and number of steps increase

Engineering Contradiction:

Improvesurface smoothnessVSAvoidfinishing process speed

Core Design Contradiction:

Manufacturing precisionVSProductivity

Solution Approach 1:

The patent applies preliminary action by using magnetic illumination devices to identify and mark all imperfections before applying joint compound. This preliminary visualization allows the operator to apply compound more precisely and efficiently in fewer coats, as the exact locations and extents of imperfections are clearly defined in advance.

Inventive Principle:

Principle #10Preliminary action

3Manufacturing precision

If high expertise is required to finish gypsum board surfaces, then quality of finish is improved, but the difficulty of operation increases

Engineering Contradiction:

Improvefinish qualityVSAvoidexpertise requirement

Core Design Contradiction:

Manufacturing precisionVSEase of operation

Solution Approach 1:

The patent employs color changes by using illuminated devices that visually highlight imperfections in distinct ways, making them easily distinguishable. This visual differentiation simplifies the identification process, allowing operators with varying skill levels to accurately locate and address all imperfections, thereby reducing the expertise barrier while maintaining high finish quality.

Inventive Principle:

Principle #32Color changes

4Quantity of substance

If joint compound is applied in thick layers to cover imperfections, then coverage is improved, but shrinkage and cracking increase

Engineering Contradiction:

Improvecompound coverageVSAvoidshrinkage and cracking

Core Design Contradiction:

Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

The patent applies local quality by using magnetic illumination to precisely identify the exact locations and boundaries of imperfections. This localized visualization enables the operator to apply joint compound only where needed and in appropriate thicknesses, avoiding excessive application that would lead to shrinkage and cracking while ensuring complete coverage of all defect areas.

Inventive Principle:

Principle #3Local quality

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 homeowners and professionals to achieve a smooth finish with reduced expertise and time by precisely identifying and addressing imperfections with consistent illumination, reducing the need for multiple coats and minimizing sanding, thereby streamlining the finishing process.

Implementation Method 1

The lighting tool has a magnetic head in some embodiments that allows its temporary attachment to heads of screws or other metallic elements or inclusions of the wall

Methodology Applied

Scientific EffectMagnetism: Magnetism

Data Source

PatentUS11543361B2Method for minimizing and eliminating sheetrock sanding using an illuminating device

Publication Date: 2023.01.03 KORMAN JAMES SCOTT

AI summary

A method to minimize applying joint compound and sanding by illuminating an area of the gypsum board to show anomalies thereon includes a step of providing a plurality of wireless lighting devices operable by a common remote controller, a step of removably attaching these devices in a spaced-apart arrangement and using the remote controller to energize all lighting devices to identify remaining anomalies. All lighting devices are turned off once the next coat of joint compound is applied and then turned on after it dries to illuminate the remaining surface anomalies. Operation of lighting devices is accomplished without removing or repositioning thereof to assure consistency of illumination over the entire work period.