Chalks TRIZ Cases

Pigments, boron nitride, and low-melting wax create soft, lightfast colored leads that erase cleanly without sintering.

Foot-actuated marking device with elastic member generates consistent surface markings on scooters without compromising vehicle control.

Pantograph armature synchronizes drill tip with template features to resolve precision versus complexity trade-offs in custom crayon design replication.

A multi-purpose sewing marker integrates smooth and toothed tracing wheels with a chalk holder in one compact device.

A roller-ball marking instrument uses a compressible plastic body to pressurize and transfer paint through a fibrous sphere.