Abstract: The present invention provides a portable device for injecting repair material, the portable device comprising: a chassis frame; tanks storing source materials; pumping means pumping the source materials; an injection nozzle mixing the source materials and injecting repair material into cracks; source material supplying means including: operating blocks connected to the pumping means; supplying pipes connected to the operating blocks and supplied with the source materials; transferring pipes connected to the operating blocks and transferring the source materials into the injection nozzle, and a pressure controller connected to the transferring pipe and controlling the source materials, wherein check valves for preventing backflow are installed inside the transferring pipes, wherein by adjusting another check valve connected to the pressure controller, an amount of the repair material for injection is controlled.

Abstract: The present invention provides a portable device for injecting repair material, the portable device comprising: a chassis frame; tanks storing source materials; pumping means pumping the source materials; an injection nozzle mixing the source materials and injecting repair material into cracks; source material supplying means including: operating blocks connected to the pumping means; supplying pipes connected to the operating blocks and supplied with the source materials; transferring pipes connected to the operating blocks and transferring the source materials into the injection nozzle, and a pressure controller connected to the transferring pipe and controlling the source materials, wherein check valves for preventing backflow are installed inside the transferring pipes, wherein by adjusting another check valve connected to the pressure controller, an amount of the repair material for injection is controlled.