Extruded Rainscreen Mat for Drainage, Ventilation, and Compression
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Solution Overview
Problem
Existing building drainage components lack sufficient compression ability and orientation flexibility, and are not suitable for both residential and commercial applications, while also failing to provide effective drainage and ventilation capabilities.
Innovation Solution
A continuous extruded mat with patterned three-dimensional structures, such as six-sided polygons, offset in two directions, and optionally reinforced with a fabric, providing improved drainage and ventilation capabilities, and allowing installation in any orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a roll-form spacer is used to provide continuous drainage paths, then drainage capability is improved, but compression ability is insufficient
Solution Approach 1:
The drainage component uses a composite structure combining a rigid polymeric matrix with embedded compressible elements (such as foam beads or resilient filaments). This composite approach allows the component to maintain structural integrity for drainage while incorporating materials with superior compression resistance properties.
Solution Approach 2:
The spacer features varying structural properties at different locations - rigid sections provide drainage pathways while compressed sections provide adjustment and compression resistance. The structure transitions from uniform rigidity to localized variation in mechanical properties, allowing different regions to fulfill different functional requirements.
2Ease of manufacture
If a fixed-orientation drainage component is used, then manufacturing simplicity is improved, but orientation flexibility is reduced
Solution Approach 1:
The drainage component incorporates asymmetric features that allow it to function effectively in multiple orientations. The patterned structures and drainage pathways are designed with directional independence, enabling the component to provide drainage functionality regardless of how it is positioned during installation.
Solution Approach 2:
The component is designed as a universal drainage solution that can be installed in various orientations (vertical, horizontal, diagonal) and serves multiple building types (residential and commercial). The standardized design with multi-directional drainage capability eliminates the need for orientation-specific variants.
3Device complexity
If traditional spacers are used, then simplicity is maintained, but drainage and ventilation capabilities are insufficient
Solution Approach 1:
The drainage component is segmented into multiple functional zones within a single continuous structure. Patterned three-dimensional structures create distinct drainage channels, ventilation pathways, and compression zones, allowing each segment to perform its specific function while maintaining overall structural simplicity.
Solution Approach 2:
The spacer transitions from a two-dimensional flat profile to a three-dimensional patterned structure with varying heights and depths. This dimensional enhancement creates channels and cavities that improve drainage and ventilation capabilities without significantly increasing overall complexity.
Data Source
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AI summary
A drainage component having a continuous, extruded mat having an upper face and a lower face. The mat includes a plurality of patterned three-dimensional structures, each structure spaced from all adjacent structures, and the plurality of patterned three-dimensional structures are provided in a plurality of linear rows or columns in a first direction.