Patent · US Expired

Cutting torch arrangement

US4055332A · kind A · utility

4Cited by
5References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 30, 1976
Grant dateOct 25, 1977
Priority date
Expiry dateAug 30, 1996

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B7/146
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A cutting torch arrangement is disclosed, including a thermal bar having a metal burner pipe with rod-like metal elements therein and gas passageways formed between these elements. A shroud/ shield is disposed around the thermal bar, with an open shroud/shield end laterally spaced from the thermal bar. A spring-biased feeder assembly and shroud/shield biasing assembly is provided for yieldably urging the thermal bar forward within the shroud/shield and for retaining the shroud/shield against a target. A cluster arrangment of thermal bars is also provided.

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