Back to results
US 11,478,886 B2Granted
Attachment means for connecting plane material combinations in dry construction
AssigneeRaimund Beck Nageltechnik GmbH
InventorStefan Schachner
Life of this patent
Estimating the term…
Abstract
The present invention relates to attachment mean (1) for connecting plane components in dry construction, in particular for fixing two-dimensional construction material to a metallic substructure, having a shaft (2) on one end region of which a point (3) and on the other end region of which a head (4) are formed, a fine thread (5) being formed on the shaft (2) in order to increase extraction values of the attachment means (1), at least in regions, a number of grooves (6) being provided on the shaft (2) which extend substantially parallel to the central axis (X) of the shaft (2).
Claims21
A screw nail comprising
- a shaft having a first end forming a point and a second end forming a head;
- a fine thread formed on the shaft;
- and
- three linear grooves being provided on the shaft and each of the grooves extending linearly parallel to a central axis of the shaft,
- wherein the screw nail is heat treated, and wherein each of the three grooves has a depth which is the same as a depth of the fine thread.
2 more elements
Dependencies are inferred from the claim text.