In our country, the number of coffee shops has steadily increased, reaching approximately 15,000 in 2013 from 1,254 in 2006. Adding to increase of coffee shops, customers' preference of roasted beans and extraction to ready-made coffee or instant coffee has lead to rapid expansion of roasted coffee market. In this study, a prototype of the ultrasonic automatic packer that is consist of coffee beans input device, coffee beans filling device, filter paper input device, vertical & horizontal ultrasonic sealing device, conveyor input device, input sealing device of outer packaging, cutting device, and control system besides related devices has been designed and produced.

Abstract
 1. 서론
 2. 개발내용 및 방법
 3. 결과 및 고찰
 4. 결론
 References

• 이원섭(Gangneung-Wonju National University) | W. S. Lee
• 김봉석(Gangneung-Wonju National University) | B. S. Kim Corresponding Author