Cutting torch arrangement
US4050680A · kind A · utility
6Cited by
2References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 3, 1975 |
| Grant date | Sep 27, 1977 |
| Priority date | — |
| Expiry date | Nov 3, 1995 |
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 arrangement of thermal bars is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.