Edge protection device for hole saw
US6746187B2 · kind B2 · utility
46Cited by
6References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 3, 2002 |
| Grant date | Jun 8, 2004 |
| Priority date | — |
| Expiry date | Oct 3, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/96
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A circular hole saw blade is provided with a removable edge protector. The edge protector is in the form of a cylindrical loop of stiff elastic polymer material inserted coaxially into the blade alongside an inner cylindrical surface thereof. The loop has an inner axial end situated inside of the blade and an outer axial end disposed axially outwardly of the cutting teeth of the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.