Sheet Joining TRIZ Cases

Identical corner interlocks let modular panels self-engage without tools, cutting installation time while preserving flexible layouts.

An angled wedge under the furring strip enables continuous wall offset adjustment, speeding alignment to a vertical reference plane.

Trimmed friction inserts create a concealed, strong sandwich panel corner joint that cuts weight and assembly effort in aircraft interiors.

A zipper-key locking clamp lets the trough plate hanger lock at any position for faster installation, secure fixing, and less shaking.

A movable connector with chucks controls treadmill upright folding, preventing sudden collapse and holding preset angles for safer storage.

A protective agent between protrusion and recess surfaces enables coaxial fitting, then is discharged to form a gap that reduces stress and damage.

A movable retaining portion replaces screws to secure or release a radiator quickly while maintaining stable coupling and heat dissipation.

An eccentric actuation interface lets a flat plate connector lock undercut grooves in tight corner joints with low stress and reliable access.

An eccentric actuation interface lets a flat bar connector lock undercuts in tight, asymmetrical joints while keeping assembly easy and stress low.

Color-marked one-way stop ribs and guide paths make board-to-board locking tool-free, visible, and less prone to incorrect rotation.

A rotatable canvas-to-rail connector uses resilient and damping elements to enable automatic, symmetrical folding for easier storage.

Oblique laser-cut recesses at different angles let a lower-melting member lock in place, suppressing weak separation directions.

Friction stir welding plasticizes a lower-melting metal into a preformed dovetail groove to create stronger, more ductile dissimilar joints.

Controlled Cr-Ni-Mo-Nb-B weld metal chemistry improves hot cracking, polythionic acid SCC, and naphthenic acid corrosion resistance.

A wedge-locked clamp pre-aligns formwork panels before the tie rod is inserted, reducing connection errors, assembly time, and structural risk.

An elliptical sleeve aligns misaligned holes, enables one-sided assembly and dismantling, and transfers structural loads gradually.

A tapered sleeve that shifts from elliptical to circular absorbs hole misalignment, enables single-sided assembly, and supports gradual load transfer.

A nickel flash plus resin coating with nickel fibers creates 3D conductive paths for grounding, CFRP compatibility, paint adhesion, and corrosion protection.

Angled contact faces and elastic locking elements let floor panels install by downward movement while maintaining strong interlock and lower cost.

Spring-loaded retention draws a cooling mass and planar element toward the PCB, improving thermal contact in dense server sleds.

A rotating sleeve and positioning element replace loose screws to lock panels securely and speed assembly in narrow machine-tool spaces.

A hinged latch separates locking from pressing force, keeping web clamping stable across metal or plastic parts of varying shapes.

Orthogonal detachable connection pairs let inner and outer container parts self-align, absorb manufacturing tolerances, and simplify assembly.

A matching wedge and angled z-clip replace multiple shims, enabling fast panel alignment to a vertical reference plane on uneven walls.

Alternating sine-wave laser loci reinforce weak weld sections in dissimilar metal plate joints, improving strength and limiting heat distortion.

Elastic frame-connected supports absorb camera dimensional variation, cutting mounting cost and assembly complexity without extra fasteners.

A cam handle, locking plate, and threaded bolt let conveyor rollers be installed and aligned from one side while maintaining secure frame attachment.

Spaced subsidiary elastic portions with side grooves balance connecting-piece strength, elasticity, and lower manufacturing cost.

A drag element and opposite-hand threads let the bolt self-rotate to bridge component gaps while maintaining reliable screw fastening.

A rotating sleeve and positioning element lock two panels without screws, cutting assembly time and preventing loose or lost fasteners.

High-power laser welding with controlled angle, defocus, and protective gas stabilizes deep weld holes in 20-50 mm steel plates.

Selective coating removal and filler-wire control keep aluminum low in the weld joint, preserving martensitic strength and crash performance.

Rivet fastening set away from the weld lets galvanized sheets deform and vent plating vapor, preventing blowholes without complex jigs.

A spring-driven toggle anchor secures layered substrates from one side, improving pull-out resistance and preventing rotation in the aperture.

A backer plate and thermal spacers let CMC liners attach to metal ducts without fastener pull-through under high-temperature expansion.

A barrel-shaped member and annular rib create outward expansion for strong, productive joining of dissimilar metals across varied structures.

Nanosecond pulsed 1 μm laser microwelds improve control on reflective dissimilar metals while limiting intermetallic brittleness and resistance.

A displaceable tongue and elongated unlocking element keep panel edges securely locked while enabling easier vertical disassembly with lower friction.

Offset ribs aligned to opening tangents help a screw boss absorb torsion during high-speed screwing, cutting cycle time and material use.

A domed recess and dimpled bayonet lock reactor or column internals securely while allowing tool-free removal and thermal movement.

A movable clasp and elastic reset mechanism replace screws to enable fast, repeatable coupling and easy separation without losing secure attachment.

Adjustable bars, hooks, and locking components align and secure formwork panels without custom sizing, improving fit and structural stability.

Axial body fibers and spiral head fibers let a lightweight sandwich panel insert resist fastener compression and hoop stress without metal weight.

An edge inside the screw channel forms its own internal thread during insertion, enabling strong, repeatable fixation with standard screws.

A film hinge and asymmetrical screw channel cut fitting cost while improving clamping stability and resisting screw migration.

Mechanical locks and stitching pins repair cracked castings without heat, stopping crack growth while restoring a fluid-tight seal.

A shape-changing weight mount secures golf club head weights by applying rotational force, then blocking unintended rotation during play.

A breakable inner ridge captures a standard screw, then releases radial play for self-alignment and lower assembly cost.

Offset ribs shift load paths in a screwboss to resist torsion during high-speed screwing, cutting cycle time and material use.

Living-hinge locking arms and an integrated seal let this vehicle panel fastener handle tolerance variation while blocking water and debris ingress.