Burner attachment for aerosol container

Details Burner attachment for aerosol container Burner attachment for aerosol container

F - Mech Eng,Light,Heat,Weapons

23

D

158/19

F23D 14/38 (2006.01) F17C 13/04 (2006.01) F23D 14/28 (2006.01)

Patent

CA 1206862

ABSTRACT OF THE DISCLOSURE This invention relates to an improved attach- ment for a propane/butane fuel container of the aerosol type to provide torches, burners, heaters, lanterns, and the like. In one embodiment the attachment itself includes a torch and control valve, while in other embodiments it is an adaptor to connect conventional or separate devices to the container. The attachment has a cylindrical boss with a central well which screws onto the threaded stem portion of the fuel container to an assembled position in which an actuator pin opens a self-sealing outlet valve in the container. The attachment has a first O-ring seal seated inside the well and a second O-ring seal seated around the inlet bass just below an outwardly extending-shoulder. As the assembly is tightened into position on the fuel container, these two O-ring seals are simultaneously compressed, the first against the upper surface of the stem portion and the second against the annular rim of the container. This has the advantage of automatically providing a double seal against leakage of the fuel, as well as transferring some of the structural stress from the stem portion of the container to the stronger annular rim.

447213

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