Blasting Cartridges TRIZ Cases

Injection-molded plastic with a metal inlay replaces welded metal parts in an airbag gas generator ignition assembly, cutting cost, size, and weight.

Controlled resin cup elongation below 10% improves fire transfer to the enhance agent while preserving sealability and insulation.

A cage-type open fuel holder positions fibrous solid propellant at the igniter for faster, more reliable gas generation with lower manufacturing complexity.

Reversing combustion gas flow through an axial filter spreads residue more evenly, enabling a smaller gas generator without losing filtration performance.

VOX thermistors beside a polysilicon bridge divert current as temperature rises, preventing heat buildup and unintended detonator initiation.

Different diffuser port areas and a cooling filter balance gas flow paths to keep combustion gas discharge temperatures more uniform.

A thicker outer lid region limits rupture deformation and load on the resin tubular wall, preserving igniter holding and sealability.

A resin case uses a fragile part and annular inclination to direct rupture, limit fragment scattering, and keep gas discharge efficient.

A metal cover reinforces the resin case at the closing end to suppress fragment scattering and keep gas discharge controlled during rupture.

A restraining geometry holds the airbag tensioning locking member after pyrotechnic release, preventing uncontrolled movement and test-rig hazards.

A regulation portion in the elastic member directs igniter combustion products toward the gas generating agent to improve ignition efficiency.

Tunable microstrip antennas deliver precise microwave ignition while rejecting off-frequency high-power fields that could cause accidental ignition.

An endothermic outer layer absorbs housing heat after ignition, limiting airbag melting risk while maintaining stable contact on the gas generator.

Sealed variable-space actuation contains micro gas generator emissions and prevents pretensioner parts from dislodging during impact.

Injected sealing material flows through connector housing channels to seal terminal interfaces, blocking dust and humidity without extra seals.

Separating igniter insertion from molding cuts pyrotechnic handling complexity while a metal insert keeps the micro gas generator stable and sealed.

A weak portion in an integrated cup-holder structure breaks on igniter activation, cutting parts count and enabling smooth locked-object release.

A hermetic separator isolates primary and secondary pyrotechnic materials to prevent incompatibility-driven performance shifts in vehicle safety initiators.

A molded conductive member links the mounting ring and power pocket to create a stable chassis ground for airbag and seatbelt gas generator initiators.

An L-shaped groove and fixing ring replace screw threads to speed gas generator replacement while preventing loosening and disengagement.

Reverse-parallel laser diodes let an optical ammunition primer ignite under either voltage polarity while resisting ESD and electromagnetic interference.

An axially movable reinforcing element lets an airbag tensioning holder absorb high transverse loads while still releasing reliably on pyrotechnic actuation.

A metal-resin holder assembly cuts gas generator parts and weight while compressed resin sealing maintains igniter support and gas output.

Selective gold electrodeposition on the igniter pin preserves low-resistance contact while cutting coating waste and production cost.

A segmented closing member and breakage assisting portion keep large and small discharge ports opening at their intended rupture pressures.

A pyrotechnically released airbag traction retainer uses integrated retaining geometry to stop blocking-part ejection and simplify test safety.

A metal-resin holder assembly seals the housing by compression, cutting gas generator parts, weight, and assembly cost.

A deformed metal retaining ring locks a plastic insulating ring and pin in place, delivering airtight sealing and stable igniter assembly.

A jacketed pyrotechnic tablet exposes a core edge to improve ignitability while the surrounding layer controls burn rate and prevents degressive burning.

A welded metal membrane seals the holding element internally, cutting external sealing steps in a compact gas generator ignition unit.

Shot detection and capacitor discharge control improve deep well detonator switching accuracy and ignition reliability over long wirelines.

Conductive plastic actuator housings drain triboelectric charge and maintain a spark gap to reduce ESD-triggered premature ignition.

A resin protrusion press-attached to a metal collar improves igniter sealing, blocks moisture ingress, and supports re-attachment without extra parts.

Separating igniter-holding resin from the connector insertion resin preserves thickness, blocks moisture ingress, and stabilizes gas generator performance.

An offset trigger circuit and short-pin IGBT switch shrink CDU axial length, improving high-G survivability while preserving EFI detonation speed.

Injection-molding the igniter into a cylinder-mounted projectile assembly simplifies breaker assembly and improves energy transfer for cutting or deformation.

A core-coating pellet with a projecting edge controls core exposure during ignition to improve burning uniformity and airbag gas generation.

Hermetic separation of primary and secondary pyrotechnic materials prevents incompatibility-driven performance shifts in vehicle safety initiators.

A trapezoidal thread and bayonet locking body secure pressure or discharge pipes against high axial forces and prevent process downtime.

Pressure sensing triggers an onboard cutter to sever mooring lines, enabling faster whale detangling in rough and remote sea conditions.

An addressable thyristor-resistor ignition stage replaces fragile nichrome assemblies to improve detonator reliability, inspection, and production scale.

A PCB-integrated heater, thyristor, and thermally conductive substrate replace fragile nichrome assemblies for reliable high-volume detonator ignition.

A high-impedance trickle-charge path enables safe SLFS circuit testing without exposing input power circuitry to ignition-level voltage.

Separate initiator and detonating assembly paths automate explosive priming while reducing accidental detonation risk and personnel exposure.

A Powell lens reshapes the laser into a line, speeding uniform ignition of hollow-center artillery propellant with lower energy use.

Anchored tube charging isolates explosive material from water in wet boreholes, preventing flow-out and enabling precise loading.

Rotational bearing tandem subs let perforating charge tubes self-orient in horizontal wells while preserving electrical continuity and pressure seal.

Adjacent detonators relay and synchronize weakened response signals to improve blasting communication reliability and reduce re-tries.

Detection means verify inflator insertion before activation, preventing accidental triggering during cartridge replacement and improving user safety.

An integrated detonation module enables selective gun firing while simplifying downhole tool assembly, transport, and sealed signal transfer.

A booster-explosive EFI output charge larger than the barrel removes extra transfer gaps and directly detonates the main charge more reliably.