METHOD OF PROCESSING BITUMEN ROLL MATERIALS Russian patent published in 2000 - IPC

FIELD: utilization of building materials, particularly, methods of processing aged or rejected bitumen roll materials. SUBSTANCE: method includes loading into vessel of bitumen roll materials and keeping them in presence of hot bitumen up to separation of cover mass from base. The method is distinguished by the fact that prior to loading, bitumen roll materials are cut into parts equal in size and these parts are assembled in packs. Made in packs are through holes perpendicular to base of roll material, and rods are installed in the holes and packs are lowered into vessel and fixed in suspended position. EFFECT: extended field of method application and increased mass of cover bitumen. 3 cl, 2 dwg