Drainage Element With Filter Mat For Plant Containers

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Solution Overview

Problem

Existing drainage elements for plant containers often fail to maintain optimal water drainage and prevent soil loss and siltation, leading to potential rot and soil displacement.

Innovation Solution

A drainage element featuring a tangled weave encased by a filter mat, which is adjustable and maintains its height even under potting soil, preventing soil washout and allowing for effective water drainage, and is lightweight, easy to clean, and reusable.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a drainage element uses a rigid structure to maintain height under potting soil, then drainage function is improved, but device complexity increases

Engineering Contradiction:
Improvedrainage functionVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent employs a flexible filter mat made of non-woven fabric that encases the tangled weave. This flexible shell maintains the structural integrity needed to hold height under potting soil while allowing water to pass through, avoiding the need for complex rigid structures. The filter mat's flexibility enables it to conform to the container shape while still providing sufficient support to prevent compression of the drainage layer.

Inventive Principle:
Principle #30Flexible shells and thin films

2Reliability

If a drainage element uses multiple components for optimal drainage, then drainage performance is improved, but ease of manufacture decreases

Engineering Contradiction:
Improvedrainage performanceVSAvoidproduction simplicity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent combines the filter function and structural support function into a single integrated filter mat component. The non-woven fabric filter mat serves both as the structural element that maintains height and as the filtering layer that prevents soil washout. This merging of functions into one component simplifies manufacturing compared to assembling multiple separate parts, while still achieving optimal drainage performance through the combined properties of the tangled weave and filter mat.

Inventive Principle:
Principle #5Merging (Combining)

3Loss of substance

If a drainage element uses a filter mat to prevent soil washout, then soil retention is improved, but weight increases

Engineering Contradiction:
Improvesoil retentionVSAvoiddrainage element weight
Core Design Contradiction:
Loss of substanceVSWeight of moving object

Solution Approach 1:

The patent uses a porous non-woven fabric filter mat that allows water to pass through while retaining soil particles. The porous structure provides effective soil retention without requiring a dense, heavy material. The tangled weave structure also contributes to soil retention through its interlocking fibers, providing mechanical support that prevents soil washout while maintaining low weight characteristic of textile-based materials.

Inventive Principle:
Principle #31Porous materials

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 ensures optimal water drainage, prevents soil loss and siltation, and maintains structural integrity, reducing the risk of rot and soil displacement while being easy to produce and maintain.

Implementation Method 1

The filter mat acts as a filter layer and is therefore also referred to as a filter layer. The drainage element prevents potting soil and substrate from being washed out

Methodology Applied
Scientific EffectFiltering: Filter (physical)

Implementation Method 2

The tangled weave has such a rigidity that the tangled weave maintains its height and is not compressed even when there is potting soil on top

Methodology Applied
Scientific EffectRigidity:

Implementation Method 3

enables optimal water drainage. This prevents siltation and rot in a planter

Methodology Applied
Scientific EffectDrainage:

Data Source

PatentEP2063700B1Drainage element
Publication Date: 2016.12.21 VAETH THOMAS
  • EP2063700B1 patent drawingFigure 1A~2B
  • EP2063700B1 patent drawingFigure 3A~4

AI summary

The invention relates to a drainage element (1) for a plant container (13). In accordance with the invention, the drainage element (1) presents a randomly orientated interlacing (2) and a filter mat (3) which surrounds the randomly orientated interlacing (2) or the drainage element (1) presents a randomly orientated interlacing (2) and a filter mat (3) and the filter mat (3) projects beyond the randomly orientated interlacing (2) in such a way that the randomly orientated interlacing (2) is covered by the filter mat (34) in the operating state.