Combustion – Fibrous wick type flame holder – Liquid fuel container carries wick guide or support
Patent
1998-03-19
1998-11-03
Dority, Carroll B.
Combustion
Fibrous wick type flame holder
Liquid fuel container carries wick guide or support
431321, F23D 324
Patent
active
058299661
ABSTRACT:
A heating fuel cartridge for use in heating food placed in a chafing dish mounted in a metal frame enclosure typically employed in a buffet line is disclosed. A preferred embodiment of the invention includes a container comprised of a base and a continuous cylindrical sidewall for containing a liquid fuel. A one-piece, disk-shaped top surface is mounted upon the sidewall and includes an upward extending annular ridge integrally formed in the top surface for defining an inner circular portion and an outer circular portion. The top surface is fabricated by a single stamping motion. Thus, the disk-shaped top surface including the annular ridge comprises a one-piece unitary construction. A wick used to burn the liquid fuel projects upward from the inner circular portion. A removable cap which is press fitted into the upward extending annular ridge serves to snuff the flame and seal the inner circular portion of the one-piece top surface. In a preferred embodiment, the heating fuel cartridge is fashioned from tin plate having an inner anti-rust coating. In addition to a small serrated penetration to enable a wick to project through, the inner circular portion also includes a breather hole. The removable cap which seals the wick cooperates with the annular ridge in a press fit manner. The cap and/or the annular ridge may include a soft coating to assist in the insertion or removable thereof.
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Christopher John S.
Dority Carroll B.
STO Corporation
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