Grass Advertising Surface Weight Optimization
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Solution Overview
Problem
Existing methods for static advertising on grass surfaces face issues with surface weight calculation, leading to uneven areas and potential damage from attachments, and the risk of grass lifting during attachment, which causes shifting and damage.
Innovation Solution
A device with a surface weighing between 3 and 6 kg/m², featuring a block system with pointed areas that stick into the ground but are not attached, allowing for temporary and reversible attachment to prevent damage and shifting, and includes lifting means to facilitate easy removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the surface weight is increased to prevent shifting, then stability is improved, but the risk of grass lifting and damage increases
Solution Approach 1:
The patent applies parameter changes by precisely controlling the surface weight within the range of 3-6 kg/m². This optimized weight parameter provides sufficient stability to prevent shifting while remaining light enough to avoid lifting and damaging the grass, thus resolving the contradiction between stability and damage prevention.
2Stability of the object's composition
If attachments are used to fix the surface to the ground, then shifting is prevented, but the grass may be damaged during attachment
Solution Approach 1:
The patent eliminates attachments entirely and instead relies on optimizing the weight parameter of the surface itself. By controlling the surface weight to be between 3-6 kg/m², the surface achieves sufficient stability without requiring any attachments that could damage the grass during installation.
3Object-affected harmful factors
If the surface weight is decreased to avoid damage, then grass safety is improved, but surface stability and resistance to shifting deteriorates
Solution Approach 1:
The patent resolves this contradiction by establishing an optimal weight range of 3-6 kg/m². This parameter optimization ensures the surface is light enough to avoid damaging the grass while remaining heavy enough to maintain stability and prevent shifting during use.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively prevents surface shifting and damage, ensuring stable and temporary advertising on grass surfaces for up to 30 minutes without causing long-term harm, as demonstrated by tests on various types of grass.
Implementation Method 1
a surface (1) weighing between 3-6 kg/m2
Implementation Method 2
The block system (3) is very important because a slight shifting of surface (1) on the grass can damage the work. Introducing the pointed areas allow to be removed without any inconvenience because it is not attached to the ground, just stuck into it.
Data Source
Figure 1
AI summary
A device for static advertising on playing fields with grass or the like. It comprises a surface (1), with some openings (2) representing a motif, characterized in that: surface (1) weight is between 3 and 6 kg/m2 and comprises a block system (3) for surface (1) on the grass.