Multi-material ripper tip
US3932952A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1973 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Dec 17, 1993 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2005/001
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A multi-material earthworking ripper tip having a leading nose portion comprised of a material having greater wear resistance and strength at elevated temperatures than the material which comprises the rearward shank supporting portion of the tip. In one embodiment, a bi-metallic nose portion is inertial welded to the shank support portion of the tip. In another embodiment powdered tungsten carbide is sintered in situ within a hollow bore of a steel nose portion. Alternately, a solid core of tungsten carbide could be soldered, brazed or press fitted within said hollow bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.