Carbide tip hole saw
US11986890B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2022 |
| Grant date | May 21, 2024 |
| Priority date | — |
| Expiry date | Jun 13, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B2251/287
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hole saw is disclosed herein. The hole saw can include a cylindrical body having inner and outer cylindrical surfaces concentric to each other about a first axis. The body can also extend along the first axis between first and second opposite ends. The hole saw can also include a plurality of teeth each including a tooth body and a carbide tip positioned on the tooth body and forming a tooth face. Each of the tooth faces can define one or more cutting edges. The teeth can be arranged in an alternating pattern including a first tooth in the form of a chisel tooth, a second tooth immediately behind the first tooth and in the form of an offset grind tooth, and a third tooth immediately behind the second tooth and in the form of a triple chip grind tooth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.