Roller Shutter Box Composite Profile Thermal Insulation

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Solution Overview

Problem

Existing roller shutter boxes for windows and doors suffer from poor thermal insulation due to cold bridges and inadequate force transmission, with previous solutions failing to provide a robust and efficient mounting system.

Innovation Solution

A box design featuring a composite profile with a metallic inner and outer profile connected via an insulating profile, along with a lower composite profile connected via a C-shaped connecting profile, incorporating an insulating element and spacer elements to prevent cold bridges, and a sealing profile for moisture protection, allowing for direct or gap-based insulating arrangements and secure mounting on window or door frames.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If a roller shutter box is mounted above a window frame with thermal insulation layers, then thermal separation is achieved, but cold bridges remain due to offset arrangement and the connection is loose unsuitable for force transmission

Engineering Contradiction:
Improvethermal insulationVSAvoidconnection stability
Core Design Contradiction:
TemperatureVSReliability

Solution Approach 1:

The roller shutter box employs a composite profile structure combining metallic components (for structural strength and force transmission) with plastic insulating components (for thermal insulation). The profile integrates an insulating strip made of plastic material positioned between metallic profile parts, creating a composite structure that simultaneously achieves both thermal insulation and mechanical stability without cold bridges.

Inventive Principle:
Principle #40Composite materials

2Ease of manufacture

If profiles are combined to form a box with hollow profiles connected via separable plug connections, then assembly is simplified, but thermal insulation remains poor

Engineering Contradiction:
Improveassembly simplicityVSAvoidthermal insulation
Core Design Contradiction:
Ease of manufactureVSTemperature

Solution Approach 1:

The box structure utilizes composite profiles where plastic insulating strips are integrally combined with metallic profile sections. This composite construction maintains the ease of assembly through modular profile connections while eliminating thermal bridges by ensuring continuous plastic insulation throughout the profile joints, preventing heat transfer paths that would occur with simple metallic connections.

Inventive Principle:
Principle #40Composite materials

3Temperature

If a roller shutter box with composite profile and insulating element is designed, then thermal insulation is improved, but the structure becomes more complex

Engineering Contradiction:
Improvethermal insulationVSAvoidstructure complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The patent merges the insulating element with the profile structure itself, where the plastic insulating strip is an integral part of the composite profile rather than a separate component. This integration combines the structural function and thermal insulation function into a single unified element, achieving good thermal insulation without significantly increasing structural complexity or the number of separate parts.

Inventive Principle:
Principle #5Merging (Combining)

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 design achieves high thermal insulation by forming a continuous insulating layer, preventing cold bridges and ensuring stable force transmission, while allowing for flexible installation and enhanced moisture protection.

Implementation Method 1

the insulating profile, together with the insulating element, can form a joint insulating or insulating layer that avoids a cold bridge

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Data Source

PatentEP3770372B1Box for holding a roller shutter or a sunshade and window or door
Publication Date: 2022.08.03 SCHUECO INTERNATIONAL KG
  • EP3770372B1 patent drawingFigure 1
  • EP3770372B1 patent drawingFigure 2
  • EP3770372B1 patent drawingFigure 3~4

AI summary

A box (1) for housing a roller shutter or sunshade comprises an upper composite profile (2) with a metallic outer profile (3) and a metallic inner profile (4), which are connected to each other via at least one insulating profile (5), and a lower composite profile (12) which is connected to the upper composite profile (2) on an outer side via a connecting profile (6), wherein at least one insulating element (7) is provided inside the box (1), which is arranged at least partially on an inner side of the insulating profile (5). This allows the box (1) to be constructed modularly with high thermal insulation.