OFFENSIVE ODOR BACKFLOW PREVENTION DEVICE FOR A DRAIN, CAPABLE OF EFFECTIVELY BLOCKING AN OFFENSIVE ODOR

摘要

PURPOSE: An offensive odor backflow prevention device for a drain is provided to prevent an offensive odor from flowing backward by using water in a U-shaped trap part.;CONSTITUTION: An offensive odor backflow prevention device(100) for a drain comprises a guide part(110) and a U-shaped trap part(120). The guide part is formed in the top of the inner wall(102) of a pipe, and guides sewage flowing in a waterway(101) to the bottom of the pipe. The U-shaped trap part is formed in the bottom of the guide part. A U-shaped water standing groove(121) is formed in the U-shaped trap part. An offensive odor flowing from the bottom of the pipe is blocked using water in the U-shaped water standing groove of the U-shaped trap part.;COPYRIGHT KIPO 2010