| Patent application number | Description | Published |
|---|
| 20090078094 | Apparatus for aligning fasteners having radially symmetrical polygonal heads in a feed device - The invention relates to an apparatus for aligning fasteners having radially symmetrical polygonal heads in a device for feeding these fasteners to a processing station. A tubular piece having axially running grooves in its interior is provided in a feed channel for the fasteners, the number of these grooves corresponding to the number of edges on the heads of the fasteners, and the diameter of the groove corners on the inlet side of the tubular piece being greater than the width across the corners of the polygonal heads, the grooves tapering from a large width to a narrow width in the transport direction in such a way that fasteners entering the tubular piece are captured with a great clearance in relation to the grooves and leave the tubular piece with narrow clearance and therefore in the aligned position. | 03-26-2009 |
| 20090317179 | FRICTION WELDING JOINT OF A PLURALITY OF TWO-DIMENSIONAL COMPONENTS POSITIONED ON TOP OF EACH OTHER - The invention relates to a friction welding joint of a plurality of two-dimensional components positioned on top of each other, which are held together by a connecting body which rests on the upper component by means of a collar and which, after penetrating the upper component by means of its end face as a friction welding surface, forms a friction welding zone on the lower component by means of the rotation and pressure of the connecting body. This combination includes the following features:
| 12-24-2009 |
| 20100119772 | METHOD FOR PRODUCING A FRICTION -WELDED CONNECTION AND DESIGN OF THE FRICTION-WELDED CONNECTION - The invention relates to a method for producing a friction-welded connection between a plurality of superimposed flat components held together by a connecting member, wherein a collar of said connecting member rests on an upper component and the front end of said connecting member forms a friction-welding zone with a lower component, said friction-welding zone being produced by rotation and pressure of the connecting member. After formation of the friction-welding zone, the rotation of the connecting member ceases at the end of a first step and, in a second step, upon cessation of the rotation of the connecting member prior to contact of the collar with the upper component, a pressure is exerted on the connecting member by a pressure-applying tool, said pressure pressing the collar against the upper component because of a deformation. | 05-13-2010 |
