Exterior Cladding Panels With Integrated Hang And Lock Tabs
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing rainscreen systems face challenges in efficiently managing moisture and maintaining a clean exterior façade while simplifying installation and reducing costs, as they often require multiple fasteners, clips, and furring strips, which can lead to complex installations and inconsistent gaps between panels.
Innovation Solution
The exterior cladding system features panels with folded metal structures, including upper and lower flanges, hang tabs, lock tabs, and strikers that interlock to create a concealed-fastener façade, allowing for easy installation with minimal fasteners and maintaining air gaps for moisture management, using drainage ports to direct moisture away from panel faces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional rainscreen systems use multiple fasteners, clips, and furring strips, then panels can be securely attached to the wall structure, but installation complexity increases and installation time increases
Solution Approach 1:
The patent combines multiple separate components (fasteners, clips, furring strips) into an integrated panel structure. The hang tab with fastener bores and the lock tab with receiver are formed as single integrated features of the panel itself, eliminating the need for separate attachment components and simplifying installation while maintaining secure attachment.
Solution Approach 2:
The panel structure serves its own attachment function through self-contained features. The hang tab with integrated fastener bores allows the panel to hang directly from the wall structure without requiring separate clips or furring strips, and the lock tab with receiver provides self-aligning engagement with adjacent panels, eliminating the need for additional alignment hardware.
2Reliability
If traditional systems use multiple fasteners and clips, then panels can be securely fastened, but the number of installation steps increases
Solution Approach 1:
The patent segments the attachment function into distinct integrated features (hang tab for wall attachment, lock tab for panel-to-panel engagement) that are built into the panel structure itself. This segmentation allows for simplified installation procedures where each feature performs its specific function without requiring separate components or multiple installation steps.
Solution Approach 2:
The fastener bores and lock tabs are pre-formed as integral parts of the panel during manufacturing, eliminating the need for on-site fabrication or assembly of separate fastening components. This preliminary preparation of attachment features accelerates installation by removing the step of assembling separate fastening hardware.
3Ease of manufacture
If panels are installed without integrated moisture management features, then installation is simpler, but moisture accumulation occurs and panel cleanliness deteriorates
Solution Approach 1:
The patent introduces drainage ports as intermediary features that facilitate moisture management. These drainage ports act as controlled pathways that allow moisture to be directed away from the panel faces through the panel structure, preventing moisture accumulation and contamination while maintaining the simplicity of the overall installation process.
4Adaptability or versatility
If gaps between panels are not consistently controlled, then installation is more flexible, but aesthetic appearance deteriorates and water infiltration increases
Solution Approach 1:
The patent employs asymmetric dimensional relationships between the lock tab and receiver features to control gap size. The lock tab extends from the lower flange at a specific depth while the receiver is positioned at a corresponding depth on the adjacent panel, creating a consistent geometric relationship that ensures uniform gap spacing while maintaining installation flexibility through the modular panel design.
Data Source
AI summary
One variation of an exterior cladding system includes a set of panels including a first panel and a second panel, each panel in the set of panels including: a face; an upper flange extending from an upper edge of the face and defining a receiver; a hang tab extending from the upper flange substantially parallel to the face, offset from the face by a first depth, and defining a fastener bore; a lower flange extending from a lower edge of the face; a lock tab extending from the lower flange opposite the upper flange by a first height and offset from the face by a second depth less than the first depth; and a striker extending from the lower flange opposite the upper flange by a second height less than the first height.