Patent ID: 9498824
Filing Date: 2016-11-22
CPC Classification: B22F,B23B,B23P,C22C,Y10T

Claim Text:
1. A method of joining a plurality of parts to form a unitary body comprising: providing at least two sintered parts, each of the sinter parts being formed of a hard metal composition of material, at least one of the sintered parts having at least one internal cavity; assembling the at least two sintered parts into a shape of a unitary body, wherein each of the at least two parts has a joining surface and when each joining surface is brought into contact the joined surfaces form a bonding interface therebetween; and subjecting the assembled parts to a vacuum or gas atmosphere, without the application of external pressure, and to a temperature sufficient to fuse the at least two sintered parts together at the bonding interface to form the unitary body.