Beam Assembly Sealing Profile for Screen Devices

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Solution Overview

Problem

Existing screen device connections between beam elements and structural elements, such as external walls, face challenges in achieving a reliable watertight seal due to uneven structural surfaces and the need for repeated sealing, especially when the beam element's cavity must remain accessible.

Innovation Solution

A beam assembly featuring a connecting profile with a fitting groove for precise sealing, a drainage profile to manage precipitation, and an upright flange to ensure watertightness, allowing for easy application and longevity of the sealing means, even on uneven surfaces.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If sealing agent is applied to seal the connection between beam element and structural element, then watertightness is improved, but reliability deteriorates due to uneven structural surfaces causing inadequate sealing

Engineering Contradiction:
ImprovewatertightnessVSAvoidsealing quality
Core Design Contradiction:
ReliabilityVSManufacturing precision

Solution Approach 1:

A connecting profile is introduced as an intermediary component between the beam element and the structural element. This connecting profile includes a fitting groove that receives the sealing agent, creating a controlled interface that mediates the connection between the beam and the uneven structural surface, thereby ensuring reliable sealing despite surface irregularities

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The sealing approach transitions from direct application to the structural element to application within a defined fitting groove of the connecting profile. This parameter change in sealing location and geometry ensures consistent sealing thickness and position, improving both manufacturing precision and reliability

Inventive Principle:
Principle #35Parameter changes

2Reliability

If sealing profile is used to protect cavity, then cavity protection is improved, but ease of operation deteriorates due to repeated sealing removal and reapplication

Engineering Contradiction:
Improvecavity protectionVSAvoidsealing maintenance
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The beam assembly is segmented into distinct functional components: the beam element with accessible cavity, the connecting profile with fitting groove for sealing, and the drainage profile. This segmentation allows the sealing to be applied once at the connecting profile during initial installation and remains stable throughout the service life, eliminating repeated removal and reapplication

Inventive Principle:
Principle #1Segmentation

3Object-affected harmful factors

If drainage profile is added to drain precipitation, then protection against precipitation is improved, but device complexity increases

Engineering Contradiction:
Improveprecipitation protectionVSAvoidbeam assembly structure
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The drainage function is merged with the existing connecting profile structure. The drainage profile integrates with the connecting profile's fitting groove and upright flange, combining drainage functionality with the sealing and structural connection functions in a unified assembly, thereby limiting the increase in overall device complexity

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP3613914B1Beam assembly in a screen device
Publication Date: 2021.08.18 RENSON SUNPROTECTION SCREENS NV
  • EP3613914B1 patent drawingFigure 1
  • EP3613914B1 patent drawingFigure 2~3

AI summary

The present invention relates to a beam assembly in a screen device (1), comprising - a beam element (2) which is provided for lateral attachment to a structural element (3), such as a wall; - a connecting profile (4) which forms part of the beam element (2) at the top of this beam element (2) or, in its fitted position, is arranged at least partly above the latter, wherein this connecting profile (4) is provided with a fitting groove (7) which is open at the connecting side for connection to the structural element (3); and - a sealing means (6) to be applied in the fitting slot (7) for sealing the connection between the connecting profile (4) and the structural element (3). In addition, the present invention relates to a method for converting a screen device (1).