Grease packing and retaining rings, sealing rings, materials for repairing conveyor belts and belting including multilayer adhesive coated rubbers for renewal, repair and splicing of rubber conveyor belts, all included in Class 17;
scraper rubbers, rubber fixing channels, rubber linings and rubber screens including rubber friction linings for drive pulleys and idlers, all for hoppers, chutes, pulleys, conveyor belts and for the like;
materials included in Class 17 for the manufacture of linings and coatings, all adapted to resist friction, wear, corrosion, encrustation and for the suppression of noise;
rubber-steel gaskets, plastic rings and rubber rings, all for pipe joints;
plastic joint and rubber joints, all for pipes;
lagging for pipes and lagging for the suppression of noise