Patent ID: 8277923
Filing Date: 2012-10-02
Classification: B21J,B23K,F16B,Y10T

Abstract:
1. A friction welding assembly comprising: a plurality of superposed plates which are held together by a connection body having a collar which rests on a upper most late of the plurality of plates, the connection body comprising: a driving element of the collar for attachment of a pressure and rotation tool, and a slender cone below the collar, and a tip at a lower end of the connection body, wherein when the slender cone extends through the plurality of plates, a friction welding region is formed between the connecting body and each of the plurality of plates, and at least the tip of the connection body protrudes from a lower most plate of the plurality of plates, wherein the friction welding region includes: a girder of the upper most plate which extends into the lower most plate, and a girder of the lower most plate, the girders of the upper and lower most plates having inner surfaces which form the friction welding region between the slender cone and each of the plurality of plates.