Nozzle assembly for hot air torch
CA 1309012 C · Owner: Brewer, David · Inventors: Sestrap, Arvo M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nozzle assembly for use in a hot air torch wherein the hot air torch utilizes a source of compressed air and a source of gaseous fuel. The hot air torch has a handle portion which holds a first pipe carrying pressurized air and a second pipe carrying propane under pressure. The first pipe containing pressurized air splits into two passageways, each passageway having a valve with which flow can be regulated. As propane travels through the second pipe to an exhaust outlet nozzle, pressurized air travels into a burner tube and an annular plenur surrounding the burner tube. The burner tube has circumferentially spaced openings. The compressed air from the plenum goes through the openings and …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.