Magnetic Fastening System for Insect Screen Installation

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Solution Overview

Problem

Existing fastening systems for insect protection, such as fly screens and mosquito nets, face issues with dimensional accuracy, complexity in installation, and aesthetics, particularly when using self-cut frames or adhesive-based solutions like Velcro, which are not suitable for permanent use and can be prone to tears and folds.

Innovation Solution

A fastening system comprising magnetic fastening devices that attach to a textile non-positively, allowing easy assembly and repeated use, with a design that includes a magnetic connection, a snap-lock mechanism, and an adhesive surface for tool-free installation, minimizing size and avoiding the need for precise dimensions or complex assembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a separate frame is cut and installed directly on-site from standard profiles, then the cost is reduced, but the dimensional accuracy becomes unsatisfactory and assembly complexity increases

Engineering Contradiction:
ImprovecostVSAvoiddimensional accuracy
Core Design Contradiction:
Ease of manufactureVSManufacturing precision

Solution Approach 1:

The frame is divided into multiple standardized profile segments that can be easily cut and assembled on-site. Each segment is designed with standardized connection elements that simplify assembly while maintaining dimensional accuracy, resolving the contradiction between cost reduction and precision maintenance.

Inventive Principle:
Principle #1Segmentation

2Productivity

If Velcro with adhesive backing is used to attach the insect net, then the installation cost is reduced and installation speed increases, but the insect net cannot be easily removed and develops tears and creases after repeated use

Engineering Contradiction:
Improveinstallation speedVSAvoidreusability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The fastening system transitions from a static adhesive bond to a dynamic mechanical connection using Velcro strips with hook and loop fasteners. This allows the insect net to be easily attached and detached multiple times without damage, maintaining both installation speed and reusability through reversible mechanical engagement.

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If a separate frame is prefabricated by an external supplier to individual dimensions, then the dimensional accuracy is improved, but the cost increases and the process becomes more complex

Engineering Contradiction:
Improvedimensional accuracyVSAvoidassembly complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The frame uses universal standardized profiles that can be configured for different window and door openings. The same basic profile design serves multiple functions and applications, reducing the need for custom prefabrication while maintaining dimensional accuracy through standardized connection systems.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Ease of operation

If adhesive-based fastening is used, then the installation is quick and inexpensive, but the aesthetic appearance deteriorates and the textile cannot be easily removed

Engineering Contradiction:
Improveinstallation easeVSAvoidaesthetic appearance
Core Design Contradiction:
Ease of operationVSShape

Solution Approach 1:

The system replaces adhesive chemical bonding with mechanical Velcro fastening. This substitution maintains installation ease through simple pressing action while improving aesthetic appearance by eliminating visible adhesive residues and allowing clean removal and reuse of the textile.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

Enables quick, easy, and tool-free installation of textiles over wall openings with high reliability and minimal aesthetic impact, allowing for easy removal and reuse without damaging the textile, while maintaining effective insect protection.

Implementation Method 1

The respective fastening device (1) has at least one magnetic or magnetizable element (16). The respective holding device (2) is magnetizable or magnetic corresponding to the element (16) of the fastening device (1) in such a way that the respective fastening device (1) can be fastened to the respective holding device (2) in a magnetically force-locking manner.

Methodology Applied
Scientific EffectMagnetic force-locking connection: Magnetism

Data Source

PatentEP3892814B1Fastening system and insect protection device
Publication Date: 2024.09.11 DS PROD
  • EP3892814B1 patent drawingFigure 1
  • EP3892814B1 patent drawingFigure 2
  • EP3892814B1 patent drawingFigure 3

AI summary

The invention relates to a fastening system for attaching a textile (3) in front of a wall opening (4) in a wall. The fastening system comprises at least one fastening device (1), wherein the fastening device (1) is configured to be attached to the textile (3). The fastening system (1) further comprises at least one retaining device (2), wherein the retaining device (2) is configured to be attached to a circumference of the wall opening (4). The fastening device (1) and the retaining device (2) are configured to form a force-fit connection with each other.