With these machines, fishermen can put gathered laver, seaweeds and tangleweeds into netted sacks mechanically, a job that used to be done manually, to move them to transport vehicles. Those machines improve productivity and quality and collect foods in an environmentally friendly manner and enhance working convenience. With these machines, fishermen also can prevent damages to ships or storage tanks, minimize tears in sacks containing algae, smoothly transport them to appointed locations and unload them. As they have a simple structure and can be easily maintained and repaired, their use efficiency and range have been improved.