Back to results
US 11,426,811 B2Granted
Hollow gear hob
AssigneeHyperion Materials & Technologies (Sweden) AB
InventorJonathan Fair
Life of this patent
Estimating the term…
Abstract
A hob for a cutting apparatus including a hollow body of a sintered hard metal composition and a cavity located within the body, the cavity having a volume in the range of about 10% to about 90% of the volume of the body.
Claims9
A method of forming a hob of a cutting apparatus, comprising:
- providing a hollow body of a sintered hard metal composition, wherein at least one cavity is located within the body, the at least one cavity having a volume in the range of about 10% to about 90% of the volume of the body, and at least one sintered part is fused to the body, and wherein providing the hollow body includes providing a core having opposed sides and fusing a sintered element fused to each side of the core so as to seal the at least one cavity.
Dependencies are inferred from the claim text.