| 发明名称 |
ANNULAR CUTTER |
| 摘要 |
An annular cutter comprising: a body including a peripheral annular wall having a leading end defining a cutting surface, the cutting surface being configured to rotate about a central longitudinal axis of the body as the annular cutter is advanced along the longitudinal axis in a cutter advancement direction; wherein the cutting surface includes: a plurality of circumferentially spaced scalloped blade portions and a plurality of recessed regions, each of the plurality of recessed regions being provided circumferentially between a respective pair of the plurality of circumferentially spaced scalloped blade portions and aligned along the longitudinal axis with at least a part of at least one scalloped blade portion of the plurality of circumferentially spaced scalloped blade portions. |
| 申请公布号 |
US2016354846(A1) |
申请公布日期 |
2016.12.08 |
| 申请号 |
US201615171219 |
申请日期 |
2016.06.02 |
| 申请人 |
NLB Engineering Limited |
发明人 |
Heffernan John Francis Steeple |
| 分类号 |
B23B51/04 |
主分类号 |
B23B51/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An annular cutter, comprising:
a body including a peripheral annular wall having a leading end defining a cutting surface, the cutting surface being configured to rotate about a central longitudinal axis of the body as the annular cutter is advanced along the longitudinal axis in a cutter advancement direction; wherein the cutting surface includes: a plurality of circumferentially spaced scalloped blade portions; and a plurality of recessed regions, each of the plurality of recessed regions being provided circumferentially between a respective pair of the plurality of circumferentially spaced scalloped blade portions and aligned along the longitudinal axis with at least a part of at least one scalloped blade portion of the plurality of circumferentially spaced scalloped blade portions. |
| 地址 |
Harlow GB |
