Self extinguishing torch canister
US10197268B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2016 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Oct 25, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23D3/26
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A self extinguishing torch mechanism has a stationary tube with an opening at an upper end thereof, and a wick tube concentrically rigidly affixed inside the stationary tube defining a space therebetween. A sliding tube is situated coaxially around wick tube the within the space defined between the wick tube and stationary tube. A biasing member extends the sliding member through the opening at the upper end of the stationary tube when the stationary tube is overturned.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.