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| Number | Title | Issue Date |
| 7320179 | Methods for the assembly of insulating panels A method in which a bore-hole is drilled through an insulating panel into a substructure, a dowel having cutting devices at the circumference of the lower side of the pressing plate and an expansion element are inserted into the bore-hole, and the expansion element ... | 01/22/2008 |
| 7247099 | Screw with a partially hardened functional tip and process for the production thereof In a process for the production of a screw comprising a low-alloy carbon steel, having a head, an adjoining holding portion and a functional tip which, in the outer region of limited radial depth, is of a greater hardness than the holding portion, in which the screw... | 07/24/2007 |
| 7210885 | Supporting bushing A supporting sleeve configured for introduction into a penetration in a component. The hole of the supporting sleeve is penetrated by a fixing pin that is insertable into a carrier so as to fix the component on a carrier. The supporting sleeve includes a closed ring... | 05/01/2007 |
| 7021877 | Self-tapping screw The invention relates to a self-tapping screw, whose threads, in a rear area (facing the head), have a substantially cylindrical external diameter and, in a front area (facing away from the head), extend with an external diameter which decreases towards the end of t... | 04/04/2006 |
| 7018153 | Plastic nut to be fitted to a component The invention relates to a plastic nut to be fitted to a component having an aperture, which, with a nut piece serving to hold a screw, can be plugged into the aperture and which, in order to bear on one side of the component, is provided with a flange which has a t... | 03/28/2006 |
| 7014405 | Plastic nut for mounting on a component having a penetration The invention relates to a plastic nut for mounting on a component having a penetration, said plastic nut being insertable into the penetration with a nut piece having a receiving hole for a screw and being provided with a flange for contact with one side of the com... | 03/21/2006 |
