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US 9,770,766 B2Granted
Hard-material threaded connection
AssigneeCeratizit Austria Gesellschaft m.b.H.
InventorAlexander Singer-Schnoeller
Life of this patent
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Abstract
A hard-material threaded connection includes a structural part, which has a hard material and a first threaded portion formed in the hard material, and a component having higher elasticity that has a second threaded portion cooperating with the first threaded portion. The first threaded portion and the second threaded portion have a different thread pitch.
Claims8
A hard-material threaded connection, comprising:
- a structural part having a hard material selected from the group consisting of a cemented carbide, a cermet and a cutting ceramic and having a first threaded portion formed in said hard material;
- and
- a component having higher elasticity than said hard material and having a second threaded portion cooperating with said first threaded portion, said first threaded portion and said second threaded portion having different thread pitches, wherein a difference in said thread pitches amount to more than more than 1.5%.
Dependencies are inferred from the claim text.