CHANGE ATTACHMENTS FOR ROAD PATCHING Russian patent published in 2003 - IPC

FIELD: road repairs and maintenance. SUBSTANCE: attachments for road patching includes vessels for crushed stone, mechanism for crushed stone supply, tanks for bitumen emulsion, compressor with hoses, air duct, crushed stone pipeline with nozzles and stick with control buttons. Attachments are mounted on base machine of PR-1 type for road maintenance in winter time, from which blade and sand sprayer are dismantled. Bin and conveyor available on base machine are used as vessel for crushed stone and mechanism for crushed stone supply, respectively. EFFECT: reduced complexity of attachments and reduced cost of work. 5 dwg