Patent · US Expired

Welding and/or cutting torch

US4533078A · kind A · utility

5Cited by

5References

2Claims

0Family size

Assignee

Messer Griesheim GmbH · DE

Inventors

Werner Klein · Schmallenberg, DE
Heinz Leo · Friedrichsdorf, DE

Key dates

Filing date	Mar 16, 1983
Grant date	Aug 6, 1985
Priority date	—
Expiry date	Mar 16, 2003

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19614
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A vertically movable welding and/or cutting torch is automatically disconnected from its drive when the torch bumps into a work piece.

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