Flat Fire-Proof Closure Profile Design
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fireproof glass doors with divided metal profiles face issues such as discoloration, deformation, and handling difficulties due to welding, which increase production costs and complexity, while also requiring multiple profiles for different glass thicknesses, leading to inventory and storage challenges.
Innovation Solution
A flat fireproof closure with metal profiles formed from a one-piece sheet metal strip, eliminating the need for welding and allowing for thinner materials, improved handling through rounded edges, and versatility across different glass thicknesses, along with the integration of heat-resistant materials for enhanced fire protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If divided metal profiles are welded together to form the closure structure, then the structural strength and stability are improved, but discoloration occurs on the stainless steel surface and welding deformations make it difficult to maintain dimensional accuracy
Solution Approach 1:
The invention merges the previously separate angle steel and flat steel components into a single integrated profile structure. This unified profile is formed from one piece of sheet metal through rolling and bending operations, eliminating the welding joint between separate components and thereby preventing welding-induced discoloration and dimensional deformations while maintaining structural strength.
Solution Approach 2:
The invention changes the manufacturing parameters and process methods by transitioning from welding separate metal pieces to forming a unified profile through rolling and bending. This parameter change in the fabrication process eliminates thermal effects that cause discoloration and distortion, while achieving the required structural strength through optimized profile geometry and material distribution.
2Device complexity
If divided metal profiles are used, then the closure can be made simpler and narrower, but the profiles must be welded or glued together which increases production complexity and costs
Solution Approach 1:
The invention combines multiple profile components into a single integrated structure formed from one piece of sheet metal. This merging eliminates the need for welding or gluing operations between separate parts, reducing production complexity and costs while maintaining the simplified closure design with fewer components.
Solution Approach 2:
The unified profile structure serves multiple functions simultaneously: it provides structural support, forms the necessary geometric shape for the closure, and eliminates the need for additional joining operations. This multi-functionality reduces both the number of components and the complexity of manufacturing processes.
3Strength
If thicker material is used for welded partial profiles, then structural strength is maintained, but production costs increase and material waste increases
Solution Approach 1:
The invention optimizes material thickness parameters by using thinner sheet metal that is formed through rolling and bending processes. The unified profile design allows for more efficient material distribution and reduced thickness requirements compared to welded assemblies, thereby reducing material consumption and waste while maintaining the necessary structural strength through optimized geometry.
4Strength
If angle steel with pointed corners is used for the metal profile, then structural support is provided, but handling of the door elements becomes difficult
Solution Approach 1:
The invention replaces the pointed corners of traditional angle steel with rounded edges formed through the rolling and bending process. This curvature modification eliminates sharp edges that are difficult to handle, while the rolled profile geometry maintains the necessary structural support capabilities through optimized cross-sectional shape and material distribution.
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 solution simplifies production, reduces waste and costs, improves handling, and provides effective fire and smoke containment with reduced material thickness, while allowing for flexible profile design and improved sealing with heat-resistant materials.
Implementation Method 1
heat-resistant and refractory material and/or a material that foams under the action of heat is arranged in the volume space formed between the second leg and the web
Implementation Method 2
A fire-resistant sealing material can be introduced between the web, the corresponding section of the first leg and the fire protection pane itself for sealing against the fire protection pane
Data Source
Figure 1
AI summary
The closure i.e. glass door (1), has a metallic profile divided into partial profiles (3, 4) in an area of front surfaces of a fire protection disk (2). The partial profiles overlap side surfaces (9) of the protection disk, where front surfaces of the disk are connected with the side surfaces. The partial profiles are arranged at a distance to each other and provided with two side pieces (6, 7). A bar (8) is fixed parallel to one of the side pieces and attached to the front surfaces of the disk. The partial profiles are made of a single-piece metal strip that is made of stainless steel.