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US 2003/0143059 A1Published application
Fastening means and process for its manufacture
AssigneeJoh. Friedrich Behrens AG
InventorBurghardt Krohn
Life of this patent
Estimating the term…
Abstract
The present invention is directed to a fastener device that includes a base portion. At least one shank is coupled to the base portion. The at least one shank includes an end configured to be driven into a material. The at least one shank also includes a weakened shank region disposed between a first adjacent shank region and a second adjacent shank region. The weakened shank region includes a cross-section irregularly weakened with respect to the cross-sections of the first adjacent shank region and the second adjacent shank region.
Claims22
A fastener device comprising:
- a base portion;
- and
- at least one shank coupled to the base portion, the at least one shank including an end configured to be driven into a material, the at least one shank also including a weakened shank region disposed between a first adjacent shank region and a second adjacent shank region, the weakened shank region having a cross-section irregularly weakened with respect to the cross-sections of the first adjacent shank region and the second adjacent shank region.
Dependencies are inferred from the claim text.