Patent · US Expired

Jig saw blade with cooling channel

US4043311A · kind A · utility

10Cited by
2References
11Claims
0Family size

Inventor

Key dates

Filing dateOct 20, 1975
Grant dateAug 23, 1977
Priority date
Expiry dateOct 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.