Rivets TRIZ Cases

A blind fastener sleeve forms a bulb that separates from its body to expand diameter and engage the blind side of workpieces.

Elongated rectangular rivet pin head with narrow grip sides accommodates finger access in recessed cavities, resolving installation bottlenecks.

Asymmetric mandrel head with elliptical cross-section prevents broken mandrel dropping while maintaining fastening strength.

A single-groove short-tail rivet uses a smooth cambered broached groove to enable automatic claw engagement.

Segmenting the base shaft with a partial threaded ring prevents radial deflection, securing pre-assembly position against high pull-out forces.

A lockbolt pin with a single large pull groove simplifies tool alignment and reduces debris accumulation during installation.

Scandium aluminum alloy fasteners replace steel to cut vehicle mass while maintaining corrosion resistance and mechanical integrity.

A lockbolt pin uses a single large pull groove to engage the installation collet, simplifying tool alignment and reducing debris accumulation.

Thermal expansion transforms a straight Z-pin into a locking shape, preventing fiber damage and enhancing structural integrity.

Welds a head part to a shaped shaft part, replacing milling operations that consume excessive material and time.

A battery sealing plate incorporates a recessed portion to house the enlarged diameter portion of the sealing member.

A fastening flange bends back against a wall part to create a direct sealing interface.

Resin door handle members join via engagement tabs and a stopper member to secure the assembly without metal nuts.

Flexible radial fingers enable secure attachment to non-threaded surfaces, eliminating adhesive requirements and preventing cable damage during installation.

Outer latching elements increase holding forces while an annular body simplifies injection molding by eliminating complex slides.

Float caps define radial regions allowing the collet and body to translate, preventing breakage under lateral loading on curved surfaces.

Heating the matrix allows a hollow fastener to displace material laterally, preventing fatigue cracks and preserving structural integrity.

A plastically deformable sleeve forms a bulge to create a contact surface for clamping sandwich structures.

A diffusion bonded fastener assembly joins a bolt and collar into an integral structure using amorphous metal bonding.

Grooved fastener threads plastically deform under tightening torque to expand the major diameter, resolving loosening resistance versus axial force trade-offs.

Pivoting legs transition from retracted to extended positions to prevent extraction forces.

Segmenting the sleeve and bolt resolves bearing area versus preload trade-offs by allowing controlled buckling without rotation.

Axial mandrel insertion forms a rivet hole and closure flange, eliminating rotary motions that increase cycle time.

Segmented fastener achieves flush finish without rivet protrusions or bonding agents.

A connecting element foot section features a circumferential elevated portion to optimize material flow during punching.

An offset through-opening in a locking unit bearing bolt enables stepless pitch adaptation, reducing device complexity and production costs.

A pre-assembled fastener assembly uses a captured cold expansion mandrel to radially expand a retainer into structural openings.

Cryomilling reduces grain size while phenolic resin pre-coating eliminates wet sealants, cutting processing time.

A self-tapping bolt creates its own mounting hole and internal thread in composite components through a single insertion and rotation motion.

Optimized head curvature eliminates shingling and jamming in rivet delivery channels while maintaining standard manufacturing compatibility.

A rivet assembly uses a non-circular pressure plate to clamp composite panels securely.

A self-piercing rivet joins composite parts by penetrating partially into a resin matrix layer without exposing filler material.

A rivet design uses a swaged lock ring to form an engaging bead within a pin member groove.

A joining component with a moldable outer body and rigid support shank secures overlapping apertures in vehicle components.

A setting control element moves with the expansion element to verify tab position, resolving inadequate clamping force from unverified expansion.

An automated robotic system presses aircraft wing skins against support structures to drill fastener holes and insert elongated shafts.

A floating stud assembly enables flexible tile attachment to spacecraft structures.

Integrating protruding fasteners into the carrier body eliminates separate attachment steps, reducing assembly complexity and boosting productivity.

Segmented pin and sleeve components eliminate structural gaps for electrical conductivity while preventing composite delamination during installation.

A self-locking cylindrical assembly uses an actuating rod and arresting sliders to secure a bore without protruding parts.

Segmented bearing stops constrain support arm degrees of freedom to eliminate rattling while maintaining high force absorption capability.

A lockbolt tool nose assembly uses a coaxially slidable puller with an expandable head to securely grasp pintails during swaging operations.

A closed rivet plug uses a truncated cone head to deform the housing and create a tight mechanical seal.

A clinch pin fastener forms an integrated undercut and interference band during a single cold-forging operation.

Arcuate tab geometry distributes stress to prevent breakage during swaging.

Asymmetric pin shoulders prevent accidental disengagement and over-insertion, resolving reliability trade-offs.

A spring actuable friction clutch uses threaded sleeves and a holding ring to secure the cup spring on the disk carrier.

A spacer defines axial play while a bushing deforms to lock the journal, compensating for manufacturing inaccuracies and thermal fluctuations.

A rivet element with an expandable mandrel joins fiber composite materials without pre-drilling.