| 发明名称 | Utility knife blade | ||
| 摘要 | A utility knife blade includes a portion made of a first material; and an elongated portion made of a second material, the second material being harder than the first material and coated on the first material by melting a powder of the second material on the first material, the elongated portion forming the tip of the blade, wherein the second material includes tungsten carbide particles embedded in a soft binder, and wherein the size of at least 90% of the tungsten carbide particles is lower than about 5 micrometers. | ||
| 申请公布号 | US8769833(B2) | 申请公布日期 | 2014.07.08 |
| 申请号 | US201012879115 | 申请日期 | 2010.09.10 |
| 申请人 | Stanley Black & Decker, Inc. | 发明人 | Culf Peter Geoffrey |
| 分类号 | B26B21/60 | 主分类号 | B26B21/60 |
| 代理机构 | Pillsbury Winthrop Shaw Pittman LLP | 代理人 | Pillsbury Winthrop Shaw Pittman LLP |
| 主权项 | 1. A utility knife blade comprising: a portion made of a first material; and an elongated portion made of a second material, the second material being harder than the first material and coated on the first material by melting a powder of the second material on the first material, the elongated portion forming the tip of the blade, wherein the second material includes tungsten carbide particles embedded in a soft binder, wherein the size of at least 90% of the tungsten carbide particles is lower than about 5 micrometers, and wherein said portion made of the first material includes a region, in contact with the second material, that has been hardened during deposition of the second material on the first material so that said hardened region has a hardness lower than a hardness of the second material and greater than a hardness of the first material. | ||
| 地址 | New Britain CT US | ||