PURPOSE:To prevent the wear of a governor valve shaft against a stopper pin even while the shaft is revolving, by fitting a stopper pin piercing through from the outside of a housing into a groove having U-shaped section formed toward the circumference of the shaft. CONSTITUTION:A stopper pin 16 pierces through into a circular groove 9a formed toward the circumference of a governor valve shaft fro...

The maintenance and blocking product for puncture holes in tyre casing is of the type made up of a plugging agent such as rubber particles, a reaction-activator, a coating agent, a thickener, an antifreeze, a rust preventer and water in sufficient quantity; the said product is characterised in that the plugging agent is made up of rubber particles preexpanded in an organic solvent, the said pluggi...