Jig saw blade with cooling channel
US4043311A · kind A · utility
Inventor
Key dates
| Filing date | Oct 20, 1975 |
| Grant date | Aug 23, 1977 |
| Priority date | — |
| Expiry date | Oct 20, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28D1/127
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present jig saw blade is constructed for heavy duty work, such as cutting through concrete or masonry. For this purpose, the blade is provided with a cooling channel extending longitudinally through the length of the blade and branch channels extend laterally through the body of the blade from a narrow side thereof and into the longitudinal channel. The lower end of the longitudinal channel is closed and the upper end is arranged for connection to a cooling fluid supply.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.