Protective Profile with Roller Units for Window Frames
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Solution Overview
Problem
Existing protective devices for window and door frames during construction are inadequate for plastered frames without lateral overhangs and can be damaged by passing building materials, leading to loss of effectiveness.
Innovation Solution
Two protective profiles with overlapping designs and roller units that are perpendicular to each other, allowing for secure fastening and easy passage of materials through door or window openings, featuring adjustable fastening elements and elastic buffers to prevent damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If protective cardboard is fixed by means of a clip, then the protective device can be assembled, but the fixing is inadequate for plastered door and window frames without lateral overhang
Solution Approach 1:
The protective profile is designed to be adjustable in position along the window or door frame, allowing it to adapt to different frame configurations including plastered frames without lateral overhang. The profile can be moved to find suitable fastening points while maintaining secure attachment and adequate protection.
2Reliability
If protective cardboard is used to cover the window or door frame, then protection is provided, but the protective cardboard can be easily damaged when building materials are passed through
Solution Approach 1:
The protective profile is designed with a U-shaped cross-section that can flex and deform when building materials are passed through the window or door opening. This flexibility allows the profile to accommodate the passage of materials without breaking or losing its protective function, while still providing adequate protection to the window or door frame.
3Productivity
If building materials are passed through the window or door opening, then construction work can proceed, but the protective device loses its effectiveness
Solution Approach 1:
The protective profile is designed to be movable and adjustable during construction work, allowing it to accommodate the passage of building materials through the window or door opening. The profile can be temporarily displaced or repositioned to facilitate material transport, then restored to its protective position, thereby maintaining both construction productivity and protective effectiveness throughout the construction process.
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
Enhances protection for window and door frames by allowing easy passage of building materials without damaging the frames, improving the effectiveness and durability of the protective device.
Implementation Method 1
at least one roller unit 5, on which the building materials to be passed can rest at least in sections, makes it possible to easily pull the building materials into the building
Data Source
Figure 1
Figure 2a~2b
AI summary
The invention relates to a protective section for window or door frames for protecting said frames during construction operations. Said protective section consists of at least one section (3) that at least partially covers the window or door frame (2), and of fixing elements (4, 4') for connecting said section (3) to the window or door frame (2). According to the invention at least one roller unit (5) is provided on the upper side (3.2) of the section (3), facing away from the window or door frame (2).