Patent ID: 8360504

Claim:
A drainage structure for double doors employing a weather strip for double doors, comprising: an installation base member installed on a door join part side of a prior closing door of a pair of right and left double doors including the prior closing door and a post closing door, which are arranged on a side part or a rear part of an automobile; a hollow seal member which is integrally molded with said installation base member and makes an elastic contact with, said post closing door when the door is dosed to seal an inside and an outside of the automobile; and a fin connected to a lower side of said hollow seal member, which includes a plane installation piece installed on a lower end on a door join part side of said prior closing door and a seal piece which is integrally molded with said installation piece and makes an elastic contact with said post closing door when the door is dosed, wherein: said prior closing door has a hole boring therein formed on a lower end on a door join part side thereof facing an installation surface of the installation piece of said fin while the installation piece of said fin has a concave ditch formed on an installation surface side thereof, continuously extending from a lower side of said hollow seal member to said hole for guiding water from said hole to an inside of said prior closing door, which enters and flows down inside said hollow seal member.