The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 2009
Filed:
Sep. 09, 2005
Ranajit Ghosh, Macungie, PA (US);
Zbigniew Zurecki, Macungie, PA (US);
Lance Michael Grimm, Bowmanstown, PA (US);
Ranajit Ghosh, Macungie, PA (US);
Zbigniew Zurecki, Macungie, PA (US);
Lance Michael Grimm, Bowmanstown, PA (US);
Air Products and Chemicals, Inc., Allentown, PA (US);
Abstract
This invention is a method and apparatus for cutting a workpiece which may have interruptions, with a cutting insert having a cutting edge, where the cutting insert is held in a tool holder and is optionally supported by a shim. Coolant, which may contain liquid nitrogen, is introduced through a passageway to a cooling passage located near the cutting edge. The cooling passage may be located either under, behind, or under and behind the cutting edge. Coolant impacts the wall surfaces of the cooling passage near the cutting edge where it is partly evaporated thereby cooling the cutting insert.