Patent ID: 6228508
Filing Date: 2001-05-08
Classification: B22F,Y10T

Abstract:
A process for preparing a metal body, the process comprising the steps of:providing a first green component part, said first component part comprising a molded metal powder material, said first component part having an ultrasonic energy director surface;providing a second green component part, said second component part comprising a molded metal powder material;placing said first and second component parts together with the energy director surface of said first component part being in contact with a contact surface of said second component part;ultrasonically welding said first component part to said second component part to form an ultrasonic weld located at said contact surface of said second component part to thereby form a green assembly;debinding said green assembly; andsintering said green assembly to thereby form a metal body, said metal body being hermetically sealed at said ultrasonic weld.