Patent · US Expired

Shaft tool with detachable top

US5971670A · kind A · utility

57Cited by

15References

9Claims

0Family size

Assignee

SANDVIK AB · SE

Inventors

Goran Pantzar · Solna, SE
Bjorn Hakansson · Sandviken, SE
Stefan Roman · Sandviken, SE
Per-Anders Holmstrom · Ekerö, SE

Key dates

Filing date	May 20, 1997
Grant date	Oct 26, 1999
Priority date	—
Expiry date	May 20, 2017

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/78
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A shaft tool for metal cutting machining, includes a cutting portion and a shaft portion. The cutting portion includes a fist part formed with a cutting edge, and a second part formed with an external screw thread. The first and second parts are of one-piece integral construction. The shaft portion includes an internal screw thread to which the external screw thread is removably secured.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.