Window Sash Glass Security Element with Spring Clamping
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Solution Overview
Problem
Current window and door sashes with glued surface elements for burglary protection require excessive adhesive and are difficult to recycle, and existing mechanical solutions can be easily levered out, lacking effective security against burglary.
Innovation Solution
A sash design featuring a glass security element with a foot element and spring element, where the foot element is partially accommodated in an opening and the spring element is clamped between the rebate base and retaining strip, providing compression and preventing the surface element from being pushed out, thus enhancing burglary protection without additional adhesive and enabling easy recyclability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large quantity of adhesive is used to bond the surface element to the profile frame for burglar protection, then the burglary resistance is improved, but the amount of adhesive required increases significantly and the window becomes difficult to recycle
Solution Approach 1:
The glass locking element is divided into separate functional parts: a base element that engages with the profile frame and a glass-contact element that secures the surface element. This segmentation allows the locking mechanism to provide burglary protection through mechanical engagement rather than relying on adhesive bonding, thereby reducing adhesive consumption while maintaining security.
Solution Approach 2:
The locking function is extracted from the adhesive bonding system and implemented as a separate mechanical glass locking element. This extracted locking mechanism provides burglary protection independently of the adhesive, allowing the adhesive to be used only for its primary bonding function in reduced quantities, thus resolving the contradiction between security and adhesive consumption.
2Reliability
If a large quantity of adhesive is used to bond the surface element to the profile frame for burglar protection, then the burglary resistance is improved, but the recyclability of the window deteriorates
Solution Approach 1:
The glass locking element is segmented into removable components that can be detached from the profile frame without damaging the overall window structure. This segmentation enables easy disassembly for recycling purposes while the mechanical locking mechanism maintains burglary resistance during normal use.
Solution Approach 2:
The glass locking element is designed to be easily removed and recovered during the recycling process. The mechanical locking mechanism can be detached from the profile frame and the surface element can be separated, allowing all components to be recovered and reused or properly recycled, thus improving ease of manufacture and recyclability while maintaining security.
3Reliability
If rigid glass locking devices are used to provide burglar protection, then the burglary resistance is improved, but the surface element can be easily pried open using the mechanical glass lock
Solution Approach 1:
The glass locking element incorporates elastic deformation capability in its base element, allowing it to flex and absorb prying forces dynamically. This dynamic response prevents the rigid mechanical advantage that would otherwise enable easy prying, as the locking element can deform elastically under attack forces and return to its locked position, maintaining burglary resistance while preventing easy manipulation.
Solution Approach 2:
The base element of the glass locking element is designed with elastic properties that provide beforehand cushioning against prying attacks. The elastic material absorbs and dissipates the energy of prying forces before they can propagate through the locking mechanism, effectively cushioning the system against harmful prying actions while maintaining the locked state during normal use.
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 solution provides increased security against burglary by preventing the surface element from being levered out, achieved without additional adhesive, and allows for easy removal and recyclability of the glass security element.
Implementation Method 1
the spring element is at least partially clamped between the rebate base of the glass rebate and the retaining strip... the spring element of the glass locking element in the sash according to the invention springs up
Data Source
Figure 1~2
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Figure 5
AI summary
The present invention relates to a sash (1) for a window or door, comprising a profile frame (2) formed from several profile sections; a retaining strip (9) for a surface element (10), which is connected to the profile frame (2) to form a glass rebate (7) for receiving the surface element (10); and a surface element (10) which is received at its end face into the glass rebate (7); wherein, according to the invention, at least one glass securing element (11) is received in the glass rebate (7), wherein the glass securing element (11) comprises at least one foot element (12) and at least one spring element (13, 13'), wherein the at least one foot element (12) is received at least partially into an opening in the rebate base of the glass rebate (7) and the at least one spring element (13, 13') is clamped at least partially between the rebate base of the glass rebate (7) and the retaining strip (9).Furthermore, the present invention relates to a window or door comprising a frame and at least one sash (1) according to the invention.