Patent attributes
An audio plug and the method of making thereof are disclosed. The audio plug includes a terminal connected to a cord, a first molding formed between the terminal and the cord, a second molding formed on the first molding, a ring disposed on the second molding, and a strain relief collar mounted on the second molding. The method of making the audio plug includes providing a cord to insert through a ring and a strain relief collar, so as to connect a terminal; forming a first molding between the terminal and the cord using an injection molding process; forming a second molding on an external peripheral surface of the first molding using an injection molding process; and fixing the ring and the strain relief collar onto the external peripheral surface of the second molding.
