Flexible Barb Mull Binder for Window Frame Sealing
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Solution Overview
Problem
Variation in design dimensions of individual windows complicates proper installation and achieving a weather-tight seal when mulled together, making it challenging to ensure ease of installation and effective sealing.
Innovation Solution
A mull binder system with pivotally coupled arms featuring flexible barbs that insert into grooves of adjacent window frames, providing a secure and sealed connection without the need for additional adhesives or mechanical fasteners, allowing for easy installation and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional rigid mulling systems are used to join window frames, then structural strength is provided, but adaptation to dimensional variations and ease of installation are compromised
Solution Approach 1:
The mull binder incorporates flexible barbs that can dynamically adjust to accommodate dimensional variations in window frames. The barbs are designed to flex and conform to the groove profiles, allowing the system to adapt to manufacturing tolerances and installation variations while maintaining a secure connection.
Solution Approach 2:
The system changes the physical state of the connection from rigid to flexible by using spring-loaded barbs that can compress and expand. This parameter change allows the mull binder to accommodate dimensional variations in the window frames while maintaining structural integrity and providing ease of installation.
2Ease of manufacture
If rigid fastening methods are used to secure window frames together, then structural strength is achieved, but weather-tight sealing and ease of installation are compromised
Solution Approach 1:
The flexible barbs are designed to self-adjust and self-seal as they engage with the grooves of the window frames. The spring force automatically pushes the barbs into the grooves, creating both a mechanical connection and a weather-tight seal without requiring additional fasteners, adhesives, or tools during installation.
Solution Approach 2:
The system merges the functions of mechanical fastening and weather-sealing into a single integrated component. The flexible barbs simultaneously provide structural connection and create a weather-tight barrier, eliminating the need for separate sealing materials or complex assembly procedures.
3Strength
If permanent adhesive bonding is used to join window frames, then structural strength is provided, but ease of repair and maintenance are compromised
Solution Approach 1:
The mull binder is designed as a segmented, reversible connection system rather than a permanent bond. The flexible barbs can be individually engaged and disengaged from the grooves, allowing the window frames to be separated for maintenance while maintaining structural strength during normal operation. This segmentation enables easy repair and reconfiguration.
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 system ensures a weather-tight seal between mulled windows by using the spring force of flexible barbs to secure frames together, providing sufficient strength and ease of installation without tools, while allowing for future separation and maintenance.
Implementation Method 1
The system ensures a weather-tight seal between mulled windows by using the spring force of flexible barbs to secure frames together
Data Source
AI summary
A mull binder system includes a mull binder that couples a first and second window frame and provides a seal along the grooves. The first window frame has an exterior side, an opposing interior side and at least a first side and a second side extending perpendicular to the exterior side and interior side, the first side including a groove therein. A second window frame has an exterior side, an opposing interior side and a first side and a second side extending perpendicular to the exterior side and interior side, the second side including a groove therein. The mull binder has a first and second arm coupled thereto. Each arm has a plurality of flexible barbs extending therefrom. The barbs on the first arm and second arm are received within the groove of the first window frame and second window frame respectively.