Plastic dowel for fastening of a rail and combination of such a plastic dowel and a rail screw
AssigneeVossloh-Werke GmbH
InventorsMichael Harraβ, Nikolaj Krieg, Martin Gnaczynski, Adrian Bednarczyk, Dietmar Becker
Life of this patent
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Abstract
The present invention relates to a plastic dowel for the fastening of a rail on a solid substrate. The plastic dowel includes an opening, an interior, a shank section, and a holding section, which provides at least one circumferential projection around its circumference. The at least one projection protrudes in a radial direction whereby the upper flank of the projection of the holding section assigned to the dowel opening is aligned at an angle of 90°±3° in relation to a longitudinal axis of the plastic dowel.
Claims18
A plastic dowel for fastening a rail on a solid substrate, with a dowel opening formed at an end face of the plastic dowel for insertion of a rail screw into the plastic dowel, with a dowel interior space enclosed by the plastic dowel, with a shank section which connects to the dowel opening of the plastic dowel, and with a holding section which connects to the shank section of the plastic dowel and which is provided on an outer side with at least one projection running around its circumference and protruding in a radial direction which, in a finished installed state, engages with a material of the solid substrate enclosing the plastic dowel, wherein the projection of the holding section is formed as an external thread and an upper flank of the projection of the holding section is orientated at an angle of 90°±3° in relation to a longitudinal axis of the plastic dowel,
- wherein the dowel has an internal thread on an inner side, and a flank of the internal thread is orientated at an angle of 90°±3° in relation to the longitudinal axis of the plastic dowel.
Dependencies are inferred from the claim text.