Sealant Bead Applicator with Reversible Extensible Edges
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Solution Overview
Problem
The manual application of sealant beads to structural and non-structural joints with non-constant geometry is time-consuming and prone to errors, leading to potential rework and increased manufacturing lead times due to the complexity of achieving exacting specifications for curved or domed formations and transitions.
Innovation Solution
An apparatus with reversibly extensible edges that adjust to match the geometry of the surface, allowing for precise application of sealant beads by varying the length of its edges in proportion to the surface's dimensions, ensuring consistent thickness and profile along the path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual application method is used, then flexibility in handling non-constant geometry is maintained, but application time and complexity increase significantly
Solution Approach 1:
The apparatus employs dynamically adjustable edges that can change their configuration in real-time to match the varying geometry of the joint or seam. The edges are extensible and adjustable, allowing the applicator to adapt to non-constant geometry automatically, eliminating the need for manual intervention while maintaining flexibility.
Solution Approach 2:
The apparatus changes its geometric parameters (edge length, edge position) automatically in response to the joint geometry. By varying the edge parameters dynamically, the system maintains ease of operation on complex geometries while achieving high productivity through automation.
2Manufacturing precision
If manual shaping is performed to meet exacting specifications, then bead quality is improved, but rework potential and costs increase
Solution Approach 1:
The patent replaces manual mechanical shaping with an automated mechanical system. The apparatus uses controlled mechanical edges to form the bead with precise geometry, eliminating human error and variability. The edge configuration is precisely controlled to match the required bead profile specifications.
Solution Approach 2:
The system incorporates feedback mechanisms that monitor the joint geometry and automatically adjust the edge configuration to achieve the desired bead shape. This closed-loop control ensures consistent compliance with specifications and eliminates rework by preventing deviations before they occur.
3Adaptability or versatility
If manual application is used on non-constant geometry, then adaptability is maintained, but manufacturing lead time increases
Solution Approach 1:
The apparatus is self-adjusting and self-adapting to the joint geometry without requiring manual intervention. The edges automatically configure themselves to match the varying geometry, enabling the system to serve itself through automated adaptation. This eliminates the time-consuming manual adjustment process while maintaining full adaptability.
Solution Approach 2:
The system performs preliminary measurement and configuration adjustment before bead application begins. By pre-adapting the edges to the specific joint geometry, the apparatus eliminates the need for time-consuming manual shaping during the application process, thereby reducing manufacturing lead time while maintaining adaptability.
Data Source
AI summary
A method of applying a substance as a bead to a geometric feature, extending along a path, comprises providing an apparatus, comprising an outlet end that comprises a first edge, a second edge, and an outlet opening. The method also comprises establishing contact between at least a portion of the geometric feature and at least a portion of at least one of the first edge of the outlet end and the second edge of the outlet end. The method further comprises moving the apparatus in a progression direction along the path while dispensing the substance from the outlet opening on at least the portion of the geometric feature. The method additionally comprises varying a length of a portion of the first edge of the outlet end and a length of a portion of the second edge of the outlet end.