Dry Screed System Offset Positioning for Stability
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Solution Overview
Problem
Existing dry screed systems face challenges in stability, structural adaptation, thermal, and insulating properties, leading to uneven surfaces and increased manual effort and costs during installation.
Innovation Solution
A dry screed system with a positioning aid on base and cover plates, featuring an offset of at least 20 cm between layers, using contact adhesive and thin, rigid wood fiber materials like MDF for the cover plates, which allows for precise alignment and stable, even installation without additional craftsmanship or material costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cover panels are made thin to improve handling and reduce weight, then ease of operation and productivity improve, but structural strength and stability worsen
Solution Approach 1:
The patent uses composite construction by bonding cover panels to base panels to form a layered composite structure. This composite system provides the strength and stability of thicker materials while maintaining the handling advantages of thinner cover panels, as the combined structure distributes loads and prevents failure.
Solution Approach 2:
The screed system is divided into separate base panels and cover panels that are bonded together. This segmentation allows each component to be optimized independently - base panels provide structural support while thin cover panels provide ease of handling and finishing, resolving the contradiction between thickness and handling ease.
2Device complexity
If panels are laid without offset to reduce installation complexity, then device complexity reduces, but stability and structural properties worsen due to visible joints and uneven surfaces
Solution Approach 1:
Positioning aids are pre-marked on the panels during manufacturing, indicating the required offset positions. This preliminary action eliminates the need for complex measurements and alignment procedures during installation, making the offset layout as simple as aligning with the marked positions while achieving the stability benefits of offset joints.
Solution Approach 2:
The positioning aids serve as intermediaries that translate the complex requirement for offset alignment into simple visual guides. These marks mediate between the desired offset configuration and the installer, enabling accurate positioning without complex procedures.
3Manufacturing precision
If additional priming and leveling processes are applied to achieve even surfaces, then surface quality improves, but productivity decreases and additional costs are incurred
Solution Approach 1:
The panels are pre-manufactured with precision thickness control and surface quality, and the positioning aids are pre-marked to ensure correct alignment. This preliminary preparation eliminates the need for post-installation priming and leveling, as the panels arrive ready-to-install with the required surface properties.
Solution Approach 2:
The panel design with integrated positioning aids and controlled thickness enables the screed system to achieve even surfaces through its own structural properties rather than requiring additional corrective processes. The system serves itself by incorporating the necessary precision during manufacturing.
Data Source
Figure 1
Figure 2A~2B
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AI summary
The invention relates to a dry screed system (1) that can be laid on a floor (2) or substrate (2). The dry screed system comprises a base layer (25) formed from base panels (7) and at least one cover panel layer (26) formed from cover panels (8). The base panels (7) contain gypsum or are made of gypsum. The cover panels (8) contain or are made of rigid wood or a rigid wood-based material. The cover panels (8) can be bonded to the base panels (7). A positioning aid (12) is arranged on the base plates (7) and/or the cover plates (8), which is visible when or after laying the base plates (7), and which specifies the position of the cover plates (8) that can be arranged on the base plates (7) such that at least one offset (21) is formed between the base plate (7) and the cover plate (8) after laying, which is approximatelythan 10 cm, especially in the range of approximately 10 cm to approximately 40 cm, preferably approximately 30 cm.