Patent ID: 6302981
Filing Date: 2001-10-16
Classification: H01R,H02G

Abstract:
A method of manufacturing a waterproof structure for an electric wire drawout portion adapted to cover an electric wire extending from a housing of an electric wire accessory by rubber-like elastic members to thereby waterproof the electric wire, the manufacturing method comprising the steps of:causing the electric wire to be drawn out from the housing and thereafter setting this electric wire in an accommodation groove of a lower rubber-like elastic member provided on a cover portion on a front portion of the housing;setting an upper cover portion on the cover portion, thereby setting an upper rubber-like elastic member provided on the upper cover portion on the lower rubber-like elastic member; andsetting an ultrasonic horn on the upper cover and applying a load on the upper cover portion while causing the ultrasonic horn to oscillate ultrasonic waves, thereby welding the cover portion and the upper cover portion to each other and welding to each other a lower and an upper welding member respectively integrally formed on the cover portion and the upper cover portion.