Adhesive sheet material application squeegee featuring blade liquid reservoirs
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Solution Overview
Problem
Current methods lack a reliable and efficient way to provide a continuous supply of lubricating liquid to adhesive sheet materials during application, especially on surfaces with unique features, leading to issues like gaps, air bubbles, and improper adhesion.
Innovation Solution
A micro cell squeegee design that accumulates and releases a lubricating liquid along its edge, maintaining moisture for extended periods, allowing for consistent pressure application and preventing deformation of the adhesive sheet material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a lubricating liquid is applied to facilitate smooth application of adhesive sheet material, then friction is reduced and application smoothness is improved, but the liquid supply is interrupted and friction increases again, causing warping and deformation
Solution Approach 1:
The squeegee blade is pre-loaded with lubricating liquid in reservoirs before application begins. This preliminary saturation ensures continuous lubrication is available throughout the application process, eliminating the need for repeated manual re-application and maintaining consistent friction reduction.
Solution Approach 2:
The squeegee blade acts as an intermediary carrier between the lubricating liquid and the adhesive sheet material. The blade's embedded reservoirs and porous structure mediate the delivery of lubrication, ensuring consistent transfer to the material surface during the application process.
2Reliability
If pressure is applied to adhere the adhesive sheet material to the surface, then adhesion is achieved, but air bubbles and gaps form, causing improper installation
Solution Approach 1:
The squeegee blade maintains continuous contact with the adhesive sheet material throughout the application process, applying sustained pressure that progressively expels air bubbles and gaps. The continuous lubrication from the blade prevents friction-induced warping that could create new air pockets, ensuring consistent adhesion quality.
Solution Approach 2:
The squeegee blade design incorporates a lubrication delivery system that replicates the ideal conditions for smooth application. The reservoirs and porous structure create a controlled lubrication interface that mimics optimal sliding conditions, allowing uniform pressure application without deformation.
3Area of stationary object
If the adhesive sheet material is overstretched to cover the surface, then coverage is achieved, but shrinkage occurs after application, causing lifting and delamination
Solution Approach 1:
The lubricating liquid temporarily changes the friction parameters between the squeegee blade and adhesive sheet material, allowing the material to be stretched and positioned without excessive resistance. This reduced friction prevents over-stretching and subsequent shrinkage-induced lifting.
Solution Approach 2:
The squeegee blade's embedded reservoirs automatically supply lubrication during the application process without external intervention. This self-servicing lubrication system ensures consistent friction reduction throughout the stretching and positioning operations, preventing deformation and maintaining dimensional stability.
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
Enhances installation efficiency and productivity by maintaining a continuous lubrication supply, reducing air bubbles and improper adhesion issues, while allowing for smoother application on complex surfaces.
Implementation Method 1
the flexible blade portion having a lateral surface comprising a series of voids or apertures of sufficient size so as to be adapted to receive and contain a liquid through capillary action
Data Source
AI summary
Adhesive sheet material application squeegees are disclosed.