Corner Key Composite Member Adhesive Distribution
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Solution Overview
Problem
Traditional methods for attaching PVC and natural fiber filled composite window frames are ineffective, leading to a need for an improved connection mechanism.
Innovation Solution
A corner key with a first and second body portion, a channel, ports, adhesive bonding areas, and a flange, designed to facilitate the connection of PVC and natural fiber filled composite window frames by providing a structural support and symmetrical adhesive distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional means (nails, screws, welding, gluing) are used to attach frame components, then the connection method is simple and easy to manufacture, but the connection is ineffective for PVC and natural fiber filled composite window frames
Solution Approach 1:
The patent introduces a corner key as an intermediary component that mediates the connection between frame components. The corner key includes a channel with adhesive bonding areas that facilitate effective attachment of PVC and natural fiber filled composite window frames, resolving the ineffectiveness of traditional direct connection methods while maintaining manufacturing feasibility
Solution Approach 2:
The connection system is segmented into distinct functional components: the corner key body, the channel structure, and the adhesive bonding areas. This segmentation allows each component to perform its specific function effectively, with the channel providing adhesive distribution and the bonding areas ensuring secure attachment, thereby improving connection reliability without excessive complexity
2Strength
If a corner key with channel and adhesive bonding areas is used to improve connection effectiveness, then the adhesion and mechanical stability are enhanced, but the device complexity increases
Solution Approach 1:
The corner key merges multiple functions into a single integrated component: structural support, adhesive distribution through the channel, and bonding surface provision. This merging enhances mechanical stability and adhesion while avoiding the complexity of multiple separate components, as the channel and bonding areas are incorporated directly into the corner key body
Solution Approach 2:
The corner key serves multiple functions simultaneously: it provides structural support at the corner joint, distributes adhesive through the channel system, and creates bonding surfaces with the raised portions. This multi-functionality enhances connection strength without requiring additional separate components, thereby limiting the increase in device complexity
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 corner key enhances the mechanical stability and adhesion between frame components, ensuring a secure and durable assembly of window frames.
Implementation Method 1
an adhesive material disposed within the channel of the corner key... The adhesive material may be further configured to contact the first adhesive bonding area and an interior portion of the at least partially hollow vertical framing element, and the second adhesive bonding area and an interior portion of the at least partially hollow horizontal framing element
Data Source
AI summary
A corner key for a window assembly may be composed of a first body portion having an inner edge, and a second body portion having an inner edge in which a gap is formed between the inner edges of the first and second body portions. The key may include a channel disposed within the gap and a port in fluid communication with the channel. The first body portion may have a first adhesive bonding area in fluid communication with the channel and the second body portion may have a second adhesive bonding area in fluid communication with the channel. The corner key may be inserted into a first and a second window element. An adhesive material may be inserted through the port to spread through the channel to the first and second adhesive bonding areas inserted into the window elements, thereby forming an adhesive bond therewith.