Sealant Application Template for Precise Field Repair Bead Routing
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Solution Overview
Problem
In field environments, technicians face challenges in forming precise seals or gaskets with liquid or semi-liquid sealing materials, as it is difficult to achieve controlled routing, precise material amounts, and correct placement with respect to machine features, which existing tools like masking tools do not adequately address.
Innovation Solution
A template is used to position a sealing material into channels that correspond to the machine part's shape, allowing for controlled deposition of a bead with precise routing and placement, and a field repair kit is provided with a template and compatible sealing compound to facilitate easy and precise sealing operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a technician applies sealing material by hand, then the application process is simple and quick, but the precision of routing, placement, and material amount control deteriorates
Solution Approach 1:
The patent introduces a template as an intermediary tool between the technician and the sealing material application. The template with predefined channels guides the sealing material to achieve precise routing and placement while keeping the application process simple. The template acts as a mediator that translates the technician's simple action into a precise seal application.
Solution Approach 2:
The template creates a copy or replica of the desired seal geometry through its channels. By copying the precise routing pattern into the template design, the technician can reproduce accurate seal paths without needing to manually measure or calculate each dimension, thus maintaining simplicity while achieving precision.
2Device complexity
If a technician manually forms a seal bead, then no special tools are needed, but the control over material volume and routing precision deteriorates
Solution Approach 1:
The template serves as an intermediary that provides predefined channels with specific geometries. These channels act as guides that automatically control the material volume and routing path, eliminating the need for the technician to manually measure or estimate dimensions while keeping the application process simple.
Solution Approach 2:
The template channels are designed with specific parameters (width, depth, length, cross-sectional area) that directly control the sealing material's final dimensions. By changing the channel parameters in the template design, the technician can achieve different seal configurations without complex calculations or measurements during application.
3Manufacturing precision
If factory instruments are used to create seals, then precise predetermined shapes can be manufactured, but the solution is not adaptable for field repair environments
Solution Approach 1:
The template creates a simplified copy or representation of the complex factory instrumentation system. Instead of bringing heavy computer-controlled instruments to the field, the patent uses a lightweight template that copies only the essential geometric information needed for seal application, making precision manufacturing adaptable to field conditions.
Solution Approach 2:
The template is designed as a simple, inexpensive, and portable tool that can be easily transported to field locations. Unlike expensive factory instruments, the template is a straightforward device that can be used once or discarded after serving its purpose, making precision seal application feasible in field repair environments.
4Manufacturing precision
If masking tools are used for sealant deposition, then some coating control is achieved, but precise volume and depth control deteriorates and the tool is not field-configurable
Solution Approach 1:
The template acts as an intermediary between the masking tool concept and the sealing material. Instead of using complex masking tools that require setup and adjustment, the template directly guides the material through its channels, providing precise volume and depth control while remaining simple and portable for field use.
Solution Approach 2:
The template combines multiple functions into a single device: it provides routing guidance, controls material volume through channel cross-sectional area, controls depth through channel depth, and ensures proper placement through alignment features. This multi-functionality eliminates the need for separate masking tools and achieves precise control with a simple portable device.
Data Source
AI summary
A method of controlled deposition of a liquid or semi-liquid sealant material is disclosed herein. The method includes the use of a template which allows the sealant material to be deposited as a bead onto a surface of a specific machine part. The placement and shape of the bead, including route and volume, can be controlled using the template. The placement and shape of the bead can correspond to features of the specific machine part. A machine repair kit configured for repair or assembly of the specific machine part can include the template and a sealant material compatible with the template.