Curtain Wall Frame Rebate for Flush-Mounted Opening Wings
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Solution Overview
Problem
Existing curtain wall systems require separate external frames for windows that open, which are time-consuming and material-intensive to produce, and often necessitate external mounting, increasing costs and safety risks during replacement.
Innovation Solution
A modular curtain wall system where part of the vertical mullion is removed by grinding to create a rebate, allowing for flush-mounting of opening wings without additional frames, using a semi-supple plastic corner piece for wind and waterproof connections, eliminating the need for silicone and enabling in-factory assembly under quality control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate external frames are used for windows that open, then the window structure is complete and functional, but the production time and material consumption increase significantly
Solution Approach 1:
The patent merges the separate external frame with the basic frame by integrating the wing frame directly into the module. The wing frame is formed by removing material from the basic frame to create a rebate, eliminating the need for separate external frames and reducing production time while maintaining structural completeness.
Solution Approach 2:
The patent extracts the external frame function from a separate component and integrates it into the basic frame structure. By removing material from the basic frame to form the rebate, the external framing function is embedded within the existing structure, reducing material consumption and assembly time.
2Reliability
If separate external frames are used for windows that open, then the window can be properly mounted, but additional materials and production steps are required
Solution Approach 1:
The patent combines the external frame and basic frame into a single integrated structure. The wing frame is created by removing material from the basic frame, so the same material serves dual purposes as both the basic structure and the external frame, reducing overall material consumption.
Solution Approach 2:
The basic frame is designed to serve multiple functions: it provides the basic structural support and simultaneously forms the external frame structure by creating the rebate. This multi-functionality eliminates the need for separate external frame materials.
3Reliability
If separate external frames are used for windows that open, then the window structure is complete, but the assembly process becomes more complex and time-consuming
Solution Approach 1:
The patent merges the assembly of the external frame and basic frame into a single integrated component. The wing frame is formed as part of the basic frame manufacturing process, eliminating separate assembly steps and reducing overall process complexity while maintaining structural completeness.
Solution Approach 2:
The rebate is created in advance during the basic frame manufacturing process, before the window assembly takes place. This preliminary formation of the external frame structure simplifies subsequent assembly operations and reduces the number of steps required to complete the window installation.
4Reliability
If traditional mounting methods are used, then the connection is secure, but replacements require external mounting which increases safety risks and costs
Solution Approach 1:
The patent segments the replacement operation from external work by designing the module to be replaceable as a complete integrated unit from the interior. The basic frame with integrated wing frame and infill elements forms a self-contained module that can be safely handled and replaced from inside the building.
Solution Approach 2:
The patent changes the dimension of the replacement operation from external to internal by integrating all necessary components within the basic frame structure. The complete module including what would traditionally require external mounting is now contained within dimensions that allow interior handling and installation.
Data Source
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AI summary
Curtain wall constructed from prefabricated connecting wall elements (2) consisting of a frame (3) of assembled profiles (4) on the inside (5) of the curtain wall (1) and of one or more filling elements (6) on the outside (7), whereby the curtain wall contains a wall element (2) with a two-part frame (3) consisting of two subframes, respectively a fixed frame part (3' ) and a second frame part (3") fitted with an infill element (6), characterized in that the fixed frame part (3') is located behind the second frame part (3") seen from the outside (7) of the curtain wall (1), whereby the fixed frame part (3") is equipped with a rebate (40) into which the second frame part (3") fits and whereby the relevant filling element (6) is attached to the outside of the curtain wall (1) on the outward looking side (7) of the second frame part (3") using structural silicone (28) in such a way that this outside of the second frame part (3") is entirely covered by the filling element (6).