Fireproof Doors TRIZ Cases

See how a profiled strip with vertical openings enables passive smoke escape from aircraft stor

A door channel vents ignition gases through inlet and discharge holes while a blocking member stops flame penetration and limits damage.

A framed mica fireproof component avoids bolt crushing and cracking in battery packs while maintaining thermal resistance and easier replacement.

A split frame-and-main-body fireproof component keeps bolt loads off the mica barrier, preventing cracking and improving battery pack safety.

A separate frame and main body let bolts secure the battery module without crushing the fireproof part, improving pack safety and molding efficiency.

A layered firestop seal directs blowing-agent expansion with a semi-rigid layer, improving opening closure while reducing material waste.

Layered blowing agents are aligned to expand toward openings, improving firestop sealing while reducing lateral extrusion and material use.

Layered blowing agents are oriented to expand into openings, limiting lateral material loss and improving fire sealing with less agent.

Fire-rated panels and UL-certified caulk fill hardware voids so existing doors can be modified without losing NFPA and fire-rating compliance.

Flat sheet insulators are elastically clamped into metal half-shell grooves, simplifying profile assembly and enabling fire-resistant materials.

Fire-rated filler panels and UL-certified sealant restore hardware cutouts so existing doors can be retrofitted without losing code compliance.

A shared frame lets a quick-opening door and fire door operate independently while cutting wall protrusion, duplicate parts, and installation cost.

A heat-releasable retaining wrap keeps foam tape compressed for faster facade installation, then releases it to expand and seal fire gaps.

Bonded core and panel layers with PU, PVAc, or EPI adhesives improve sound insulation while limiting fire warping and layer detachment.

Fine expandable graphite and inorganic fillers enable long fire-resistant sheets with low expansion onset, smooth surfaces, and stable thickness.

A U-channel edge guard and beveled end cap close excessive fire door gaps while protecting wood edges to maintain code compliance in a fire.

A concealed sliding screen within the window frame avoids sash interference while improving sealing, insulation, and insect blocking.

Bottom sealing on the door leaf and an adjustable frame profile close floor tolerance gaps to achieve a continuous hermetic seal.

Fire walls, bridges, and closable doors split grid storage into isolated sub-grids to contain warehouse fires without stopping bin transport.

A notched fire door and split guide rail layout keep travel faces continuous, cutting vehicle vibration while preserving fire protection.

A heat-absorbing insert beside the metal connector limits fire heating in hollow profiles while preserving load-bearing capacity in facades and frames.

Thermally sacrificial frame cavities shield intumescent members until fire exposure, then open to seal panel-frame gaps.

Adhesive connectors hold combustible cladding during normal use, then thermally disengage it so the door can meet fire ratings.

Adapter strips bridge door-leaf and seal retaining profiles to accommodate floor-height variation without replacing the door leaf.

Calcium silicate and high-density fiberboard layers reinforce a fire-rated particleboard core for lighter doors, heat resistance, and standard-tool fabrication.

A mineral core door leaf, steel components, and fire-rated sealing help a sliding assembly pass UL10B and UL10C tests.

A sub-buck and shell frame mounts to one wall surface, removing the protruding wall and expanding elevator-lobby space.

Organofunctional silane improves hydrogel adhesion to glass, while acidic polymerization avoids toxic monomers, corrosion, and clouding.

An intumescent coating on insulating webs foams under fire, delaying heat transfer where water-filled inserts have limited capacity.

Wall-contact flanges and modular panels create a reusable fire seal while easing transport and assembly on construction sites.

A protrusion guides the glazing tool to bend retaining legs consistently, improving infill panel grip and fire-door integrity.

Integrated cavities balance fire resistance and acoustic attenuation in one mineral wool door panel.

A framed hazardous goods container uses sliding gates, guide rails, and sealing to improve loading while supporting fire resistance.

A metal connector paired with a heat-binding element uses adjacent cooling to preserve load-bearing capacity during fires.

This case uses a sub-buck and shell structure to mount a door frame on one wall surface, reducing lobby space loss and deformation.

Flat profiled frame sections with intumescent seals reduce temperature rises at reference zones by eliminating thermal bridges in tubular metal structures.

Stepped rebates at lateral butt edges and overlapping double seals resolve the contradiction between installation complexity and fire protection reliability.

Segmented clamshell frame members with metallic plates and fire resistant filler create a non-welded assembly for vision panels.

Segmented waterglass precursors eliminate complex mixing plants while filling complex cavities without air gaps.

An adjustable central latch hooks onto door extensions to maintain secure engagement between double-leaf fire doors.

Intumescent silicate layers reduce production time through controlled air circulation drying.

Thermochromic window uses hydrogel layer to adjust emissivity, resolving trade-off between cooling efficiency and winter heating energy consumption.

Relocating intumescent material to the housing cavity prevents profile bursting during expansion while detuning resonance for improved soundproofing.

A fire door employs a handle-linked slider to uncover slots, reducing opening force under pressure while intumescent materials seal gaps during fires.

Segmented U-shaped cavity and protruding walls enable direct clamping part attachment, eliminating on-site drilling and milling.

Aromatic polyester polyols form a robust carbonaceous char layer that withstands heat dilatations in polymer profiles.

Segmented edge guards correct excessive clearance gaps while protecting wood edges from burning.

One-piece stainless steel strip forms flat fire protection closure profiles, eliminating welding discoloration and dimensional deformation.