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US 2014/0154025 A1Published application
Expansion bushing dowel
OwnerAurelie Bergez, Alain Gauthier +1inventors
InventorsAurelie Bergez, Alain Gauthier, Jean-Paul Barthomeuf
Life of this patent
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Abstract
The dowel comprises: i) a stem with, at one end, fastening means and, at the other end, an expansion cone; and ii) an expansion bushing mounted around a portion of the stem adjacent to the expansion cone and through which the expansion cone is intended to be moved so as to anchor the dowel into an anchoring hole of a supporting material. According to the invention, the expansion bushing is free of slits and drilled with expansion holes along an opening area of the bushing.
Claims11
An expansion bushing dowel comprising:
- i) a stem with, at one end, fastening means and, at the other end, an expansion cone;
- and
- ii) an expansion bushing mounted around a portion of the stem adjacent to the expansion cone and through which the expansion cone is intended to be moved so as to anchor the dowel into an anchoring hole in a supporting material, the expansion bushing being free of slits,
- characterized by the fact that the expansion bushing is drilled with expansion holes along an opening area of the bushing.
1 more element
Dependencies are inferred from the claim text.