Patent ID: 9676057
Date: 2017-06-13
CPC Classifications: B21C,B23K

Claim:
1. A device for solid state joining of light metals, utilizing continuous extrusion to add a string of filler metal into a groove separating light metal components to be joined, comprising a drive spindle ( 13 ) that rotates about an axis and terminates in a drive spindle head ( 14 ), the drive spindle head ( 14 ) having an outer surface ( 15 ) with a circular arc constituting an extrusion chamber ( 16 ) machined therein, a stationary annular metal shoe ( 17 ) radially limiting the extrusion chamber ( 16 ) outwards and surrounding the drive spindle head ( 14 ), and an integrated or replaceable abutment member ( 18 ) terminating the extrusion chamber ( 16 ) and diverting the string of filler metal ( 26 ) from its circular movement in the extrusion chamber out through a die orifice ( 19 ) substantially in the axial direction.