Patent 7189930 was granted and assigned to Yazaki on March, 2007 by the United States Patent and Trademark Office.
A grommet includes a cylindrical portion that operable to fit on an outer circumference of an electric wire which passes through a trough hole in a panel, a panel fitting portion on which an inner circumferential edge of the through hole in the panel is fitted, and a connecting portion that connects the cylindrical portion and the panel fitting portion. The panel fitting portion includes a seal projection that is brought into press contact with the panel, and a seal protection wall is provided on the panel fitting portion for reducing the influence to the panel fitting portion caused by a flow of injected water from external.