Glass Panel Insert with Pressure Element for Sealing
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Solution Overview
Problem
The complexity of vehicle window shapes requires multiple inserts of different shapes and sizes for encapsulation, leading to positioning difficulties and imperfect seals during the injection process, which can result in defective glazings.
Innovation Solution
A glazing system with inserts featuring a pressure element that applies against a sole or base in a bearing zone distinct from the connecting zone, allowing for secure encapsulation regardless of the insert's position, ensuring a perfect seal without the need for additional sealing measures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple inserts of different shapes and sizes are used to accommodate complex vehicle window shapes, then the encapsulation can be adapted to various positions, but the positioning difficulty and device complexity increase
Solution Approach 1:
The patent applies universality by designing a single standardized insert geometry that can be used at all positions around the glazing periphery. The insert comprises a base, a sole extending from the base, and a pressure element that can be oriented at different angles. This universal design eliminates the need for multiple different insert types while maintaining adaptability to complex window shapes through rotational orientation of the same insert component.
2Ease of manufacture
If the seal between molding cavity and positioning cavity is not perfect, then encapsulation can be simpler, but encapsulating material enters the positioning cavity causing defects
Solution Approach 1:
The patent applies preliminary anti-action by incorporating a pressure element that actively prevents encapsulating material from entering the positioning cavity. The pressure element is positioned and oriented to apply force against the sole or base in a bearing zone, creating a mechanical barrier that counteracts the potential intrusion of encapsulating material before it can cause defects, thereby eliminating the need for complex sealing measures.
3Reliability
If additional sealing measures are implemented to prevent material intrusion, then sealing reliability improves, but manufacturing complexity increases
Solution Approach 1:
The patent applies self-service by designing the insert itself to provide the sealing function through its pressure element. The pressure element, by applying force in the bearing zone, enables the insert to seal the positioning cavity against encapsulating material intrusion without requiring external or additional sealing components. This self-sealing capability maintains reliability while avoiding increased manufacturing 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
This configuration enables the use of identical inserts across various glazing positions, improving the encapsulation process by preventing encapsulating material from entering the positioning cavity and ensuring effective anchoring and sealing, thus reducing defects and manufacturing complexity.
Implementation Method 1
a pressure element which is integral with the insert in at least one connecting zone (L) and which extends between the sole and the glazed element bearing on the latter, said pressure element being also applied against the sole or against the base in at least one bearing zone (A)
Data Source
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AI summary
The present invention relates to a glass panel (1), including a vitreous element (2), a profiled joint portion (3), and at least one insert (4) having an overmoulded portion located in said profiled joint portion (3) and a projecting portion (5) located outside said profiled joint portion (3), said insert (4) comprising a base plate (7) which supports a base (8) having a central axis (yy') and a free surface (8'), as well as a pressure element (9) which is secured to the insert (4) at least at one connection area (L) and which extends between the base plate (7) and the vitreous element (2) while bearing on the latter, characterised in that the pressure element (9) is further applied against the base plate (7) or against the base (8) in at least one bearing area (A) located under the base (8), between the base (8) and the vitreous element (2).