Cable Penetration Firestop Foam With Retaining Brackets
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Solution Overview
Problem
Existing fire protection solutions for cable or conduit penetrations through walls or ceilings are complex, costly, and lack reliability, particularly for lightweight constructions.
Innovation Solution
A fire protection device comprising an elastic polymer foam body with a flame retardant and non-combustible retaining brackets for securing the foam body to the wall or ceiling, which expands to seal penetrations and can be easily adapted to various applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional firestop systems with firestop collars and intumescent materials are used, then fire protection is provided, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent combines the firestop function and the mounting function into a single integrated device. The elastic polymer foam body incorporates both the fire protection capability (through flame retardants and intumescent materials) and the fastening capability (through retaining brackets directly attached to the foam body), eliminating the need for separate firestop collars, intumescent inserts, and mounting hardware.
Solution Approach 2:
The elastic polymer foam body serves multiple functions simultaneously: it provides fire protection through flame retardant properties and intumescent expansion, provides structural support for cable routing, provides a mounting surface for retaining brackets, and provides sealing against the wall or ceiling. This multi-functionality reduces overall system complexity.
2Reliability
If conventional firestop systems with multiple components are used, then fire protection is achieved, but the manufacturing cost increases
Solution Approach 1:
The patent combines the firestop function and the mounting function into a single integrated device. The elastic polymer foam body incorporates both the fire protection capability (through flame retardants and intumescent materials) and the fastening capability (through retaining brackets directly attached to the foam body), eliminating the need for separate firestop collars, intumescent inserts, and mounting hardware.
Solution Approach 2:
The patent uses composite materials to achieve multiple functions in a single component. The elastic polymer foam body combines flame retardant additives, intumescent materials, and reinforcing fibers within the foam matrix, creating a composite material that provides fire protection, structural integrity, and elasticity simultaneously.
3Reliability
If rigid fire protection blocks are used, then fire protection is provided, but adaptability to different application situations and ease of installation decrease
Solution Approach 1:
The patent uses an elastic polymer foam body that can deform and adapt to different opening shapes and sizes. The foam body can be compressed during installation to fit into various penetration geometries and will expand to provide a tight seal against the wall or ceiling surface, providing adaptability to different application situations while maintaining fire protection reliability.
4Reliability
If conventional firestop systems requiring intumescent inserts are used, then fire protection is provided, but the number of components and installation complexity increase
Solution Approach 1:
The patent combines the firestop function and the mounting function into a single integrated device. The elastic polymer foam body incorporates both the fire protection capability (through flame retardants and intumescent materials) and the fastening capability (through retaining brackets directly attached to the foam body), eliminating the need for separate firestop collars, intumescent inserts, and mounting hardware.
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 device provides simple, reliable, and cost-effective fire protection for wall and ceiling penetrations, suitable for both solid and lightweight constructions, with enhanced sealing capabilities through the use of elastic properties and intumescent materials.
Implementation Method 1
The polymer foam body comprises at least one flame retardant, for example, an intumescent coating agent
Implementation Method 2
expands in the event of a fire and seals the opening
Implementation Method 3
The elastic properties of the polymer foam body allow for fastening by utilizing its restoring forces to press it firmly against the wall or ceiling
Implementation Method 4
The polymer foam body comprises at least one flame retardant... an effect that restricts, slows down, or prevents the spread of a fire
Data Source
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AI summary
The invention relates to a fire protection device (1) for sealing off a penetration in a wall or ceiling (101) for the passage of cable or conduit elements (104), comprising a. an elastic polymer foam body (2) comprising a flame retardant, and b. at least two retaining brackets (3) made of a non-combustible material arranged on the elastic polymer foam body (2) for fastening the elastic polymer foam body (2) to the wall or ceiling (101) in front of the penetration (102).