Patent · US Active

Method for laser fusion cutting without cutting gas

US8222565B2 · kind B2 · utility

1Cited by

2References

19Claims

0Family size

Assignee

TRUMPF Laser GmbH + Co. KG · DE

Inventors

Peter Schaefer · Pfungstadt, DE
Peter Olschowsky · Schramberg, DE
Hubertus Melbert · Gerlingen, DE

Key dates

Filing date	Mar 16, 2011
Grant date	Jul 17, 2012
Priority date	—
Expiry date	Mar 16, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23K26/082
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A method for laser fusion cutting of a metal workpiece including applying a laser beam to the workpiece, where a kerf is melted in the workpiece by the laser beam and a laser beam diameter in a working point is configured to expel molten material from the kerf without cutting gas.

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