Double-coated sintered hard-faced harrow disk blades
US7631702B2 · kind B2 · utility
12Cited by
13References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 19, 2006 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Nov 22, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B35/28
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The instant invention relates to a double-coated sintered composition on a hard-faced disk blade for agricultural use as a rotary knife blade of a farm implement termed a harrow wherein the sintered hard-faced composition is applied to both the concave and convex sides of the rotary harrow disk blade to provide protection against soil abrasion and wear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.