Washers TRIZ Cases

Opposing-thread stud fastening compensates mounting tolerances to prevent IC and PCB bending while maintaining heat sink attachment and thermal contact.

A closed die assembly forms locking washer teeth and cams in one positioning step, reducing displacement defects, material use, and edge deformation.

A compressed elastic sleeve and bolt assembly seals concrete openings without torque tuning, while resisting twist during tightening.

A two-part spacer enables secure premounting in a round fastening hole while damping vibration, preventing slip, and keeping fixing pressure uniform.

A single end-mounted sealing element seals both the formwork panel and tie rod, reducing concrete leakage and simplifying replacement.

A biased, compressible ring thread mount self-centers optical elements in a barrel, cutting decentering, tilt, cost, and alignment time.

A screw-driven rivet sleeve uses spacer and deformation regions to create secure blind fastening in one mounting step.

Discrete shimmed bosses localize load transfer, cutting large-area gap measurement and shimming time while preserving joint load capability.

Magnetic strip holding and a fall prevention washer simplify worn rubber strip replacement and prevent bolt loss in road friction measurement.

Off-center openings and toothed edges help a plastic insert lock into fiber composites with accurate positioning and lower corrosion risk.

A centering fixing disc cuts or rubs away film around facade fasteners, speeding mounting while protecting the panel surface.

A sealed sleeve and end-cap enclosure isolates threaded fasteners from marine corrosion while enabling low-cost steel use and inspection.

Adjustable drift rods and lean sensing let fence posts be re-leveled without disturbing the foundation, reducing correction time.

A threaded float embeds anchor bolts flush in concrete, improving surface finishing and simplifying attachment after curing.

A two-part pivoting barrel nut self-aligns to fastener angle variances, enabling blind installation and proper load transfer in high-load structures.

Varying tooth lengths create a concave washer profile that grips curved surfaces, spreads pressure more evenly, and resists loosening.

Rotating eccentric pin sleeves compensate for hole play and misalignment, enabling quick, clean mechanical assembly without drilling or adjustment.

A threaded washer transfers bolt tension through a larger engagement area, reducing thread deformation and axial force detection error.

Stepped nut segments and a bias spring keep bolt contact consistent, improving fastening reliability and resisting loosening.

An inclined washer and orthogonal machine screw lock a nut against vibration while avoiding threaded rod damage during loosening and reuse.

A self-locking spacer and curved spring element secure lightweight add-on parts without damage while damping vibration and noise.

A radially expandable split collar and cam-lock secure honeycomb panels with higher strength, lower assembly effort, and easy removal.

A conductive coated fastener with a conforming copper seal lowers contact resistance at composite joints to reduce arcing during lightning strikes.

A thin-walled expanding bushing anchors retainers in composite holes without rivets, cutting hole size, labor, and installation risk.

A bonded sealing rim and wedge-lock cams keep bolts tight under vibration while hermetically sealing joints against contamination and bacteria.

A pivoting locking ring secures and releases a formwork anchor end for easy wall-thickness adjustment, sealing, and misalignment compensation.

A sealing ring and flexible retaining ring let a formwork anchor pivot slightly while keeping a tight, load-assisted seal inside the wall formwork.

An elastic buffer lining separates the centering member from the connecting body to cut stress concentration and fastener fatigue in wind turbines.

S-shaped flaps and thermal-break layers help this building fastener cut heat transfer while supporting cladding and speeding installation.

Elastic clamping catches lock a washer to a screw after thread rolling, preventing washer damage and lowering small-batch production cost.

An integral sleeve nutplate prevents rotation, enables exterior torqueing, and reduces aircraft assembly weight and sealant use.

An elastic self-adhesive sleeve seals wall fastener boreholes without hindering screwing, reducing wall damage and anchor loosening.

A two-piece insert and damping element secure composite engine components, absorb vibration, and enable single-tool installation in tight spaces.

Automated alert routing records transmission, receipt, and presentation to speed confirmation of urgent medical test results.

Multiple hanger bolts linked at fixed intervals enable one-step rail positioning and help prevent bolt rotation during nut coupling.

A conical bushing spreads fastener load in composite joints, reducing crushing and handling thermal expansion at high temperatures.

Weather-resistant indicating material and precise dispensing keep direct tension washer marks visible longer, reducing feeler gauge checks.

Coaxial action-reaction sockets, Z washers, and vibration-assisted torque multiplication cut side loads and thread galling in high-torque bolting.

A thermal isolation barrier around the attachment mechanism limits heat flow from a hot duct to the fan case while maintaining torque consistency.

Projections and recessed portions on the screw head expand the compressed washer outward to block air or liquid infiltration.

A curved washer and spherical nut self-align stacked piezoceramics and metal sheets to correct parallelism errors and stabilize transducer assembly.

Localized heat through a tube inside bonded hardware speeds adhesive curing on aircraft panels while limiting flammable-area risk.

An annular groove locks the washer to screw carrier tape, preventing screw drop-off during handling while preserving fastening and sealing.

Overmolded washers and a U-shaped carrier align banjo-style fluid fittings and connectors to improve sealing and resist assembly distortion.

A buffer lining between the centering member and bolt body absorbs misalignment stress, improving wind turbine fastener fatigue life.

By cutting a second arc-shaped washer from the first cutout boundary, this case reduces scrap, suppresses droop, and keeps stamping simple.

An extending tube with a cutting edge boosts shear resistance during fastener installation while protecting the upper member from deformation.

An elastomeric collar isolates turnlock fasteners from aircraft panels to cut vibration wear and maintain a watertight seal.

A dual-angle self-piercing thread cuts steel with less burr, protecting sealing washers, reducing leaks and corrosion, and limiting screw back-out.

A metal bushing and fixing sleeve reinforce the elastic outer body, preventing torsion, loosening, and axial displacement under load.