Patent · US Expired

Self-igniting portable torch assembly

US4881894A · kind A · utility

15Cited by
9References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 16, 1988
Grant dateNov 21, 1989
Priority date
Expiry dateFeb 16, 2008

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF23Q3/002
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A self-igniting portable torch includes source of electrical potential mounted on the outside of the torch tip downstream of the orifice in a heat resistant housing and an electrode which extends into the mixing chamber. The source of electrical potential and the electrode are electrically coupled by a connector contained entirely within the torch tip.

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