Rivets TRIZ Cases

A hollow shank rivet expands radially against a second structure using flat tools to create a secure mechanical coupling.

A fastener with a barbed pin and nylon sleeve maintains tensile strength in thin workpieces.

A rivet core member features a hook portion that interacts with pivoting sleeve pieces to verify outward fixation.

Localized melting fills a pocket to create a removable joint, eliminating rivet head liberation risks in gas turbine engines.

A separable installation head and reversible anvil assembly enable flexible riveting in various orientations.

Expanding device fixes socket central disc, preventing theft and simplifying assembly.

Segmented collar engages a single pull groove to reduce positioning precision requirements while enabling bolt reuse through non-destructive extraction.

Threaded locking pins adjust retention rings axially, accommodating varying vehicle body thicknesses without bulky structures.

An axial actuator pin extends a radial locking mechanism inside the shaft bore, enabling secure fastening and damage-free removal.

Elastic holding plates in double rivets allow disassembly without damaging high-value components, preserving attachment strength.

Floating spring-mounted tools apply force-controlled movements to secure joint bolts, preventing bushing damage during plastic deformation.

Bulbing sleeve creates enlarged blind head prior to workpiece contact, preventing localized crushing and delamination in laminated composite materials.

Optimized chamfer angles and radii distribute stress homogeneously, preventing cracking in high-strength steel sheets.

A rivet pin features a beveled centering head and radially protruding contact edge to engage a blocking pin.

A self-piercing metallic fastening sleeve forms an opening reinforcement in high-strength components via a hollow shaft and stamping ring.

A latch assembly uses a movable bolt to expand an engaging portion within a hollow pillar, creating a rigid mechanical lock between components.

Frictional heating reduces material resistance during penetration, allowing a rotating fastener to join dissimilar materials without complex external equipment.

Proximal apertures and a compliant hand grip reduce operator fatigue by minimizing weight and vibration transmission during riveting operations.

Rigid plunger with scraping edge removes viscous adhesives from bore, preventing contamination of fastener mechanism.

A rivet fastening system uses a fixed spacer to maintain a defined gap between the workpiece and die for precise section engagement.

A stepped fastening element with a flange and shaft unit attaches to sheet metal parts.

A one-piece titanium fastener uses cold-working to strengthen the shank while maintaining ductility in the tail section.

Replacing welded joints with press-fitted stainless steel connections eliminates corrosion in marine compactors.

A fastener uses a stepped pin to expand inclined leg pieces for secure attachment across varying thickness ranges.

Single-piece molded fastener eliminates separate metal hardware and torque limiters, reducing device complexity while securing plastic parts.

An axial constriction allows a centering pin to expand radially, resolving jamming risks and simplifying removal in pressurized water reactors.

Segmented shank slits prevent rotation and boost joining strength without complete material cutoff.

A fastening device with a guide column and abutment part releases an attachment via a breaking point under extreme load, reducing injury risk in vehicles.

Clips engage fixture slots on adjacent display modules, eliminating tedious screw locking and reducing assembly time.

A split sleeve tool expands radially to cold work metal layers within a composite stack.

Aluminum alloy spring resolves strength-elongation trade-off by refining crystal grains below 500 nm via shearing work.

Segmented fastener retaining portions enhance retention and durability for lightweight polymeric composite vehicle components.

Telescoping tubular elements expand resilient arms to provide adjustable clamping pressure, eliminating bulky springs that obstruct automated assembly.

A rivet module integrates friction drilling with threaded fastening to join base materials in a single operation.

Alignment bumps and recesses on the rivet engage the die to prevent unwanted welding, while ultrasonic vibrations reduce process forces.

A plastically deformable welding stud creates an enlarged head during setting to join components.

Segmented components and a mediator prevent cone rotation, enabling single-side anchoring in restricted access areas.

Radial foot webs on the rivet pin cover spreading arm tips, preventing deformation when inserting into carrier parts.

A shape memory polymer fastener expands laterally and shrinks axially when heated to join workpieces securely.

A one-sided plastic rivet fuses to metal components via ultrasonic welding, creating secure interfaces without adhesives.

Integrating a flange into a spacer counterbore eliminates alignment time and material waste during assembly.

Asymmetric pull grooves and angled teeth on a swage lock bolt puller enable precise axial force application during fastener installation.

Radially arranged webs divide cooling channels into multiple flow paths to increase surface area and improve heat dissipation in brake disks.

Asymmetric rectangular cross sections orient miniature fasteners during automated feeding while broaching sections deform panels for strong clinching.

Reducing the shank bore depth relative to total length prevents excessive spreading in thin sheet metal joints.

Controlled deformable sleeve length creates uniform bulb preventing composite delamination across varying structural thicknesses.

A two-piece pallet fastener uses a rivet with external female threads and a sleeve with internal male protrusions to create a secure mechanical lock.

Segmented rivets use localized heat treatment to harden shoulders against shear stress, preventing premature failure in mechanical harvesters.