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US 2021/0154728 A1Published application
Manufacturing Process, Tool Stand, and Drill Bit
AssigneeHilti Aktiengesellschaft
InventorsGuenter DOMANI, Carsten PETERS, Florian SCHROEDER
Life of this patent
Estimating the term…
Abstract
A drill bit includes a drill bit head, a multi-strand helix made up of three or more helix ribs, and a shank end along a drill bit axis. The multi-strand helix is made up of a conveyance area, a helix gradient, and a pitch. The helix ribs extend parallel to the drill bit axis in a first area adjacent to the drill bit head and a second area adjacent to the shank end.
Claims4
A drill bit, comprising:
- a drill bit head, a multi-strand helix made up of three or more helix ribs, and a shank end along a drill bit axis;
- wherein the multi-strand helix is made up of a conveyance area, a helix gradient, and a pitch;
- wherein the helix ribs extend parallel to the drill bit axis in a first area adjacent to the drill bit head and a second area adjacent to the shank end.
Dependencies are inferred from the claim text.