Patent ID: 7367474

Claim:
A glue gun comprising: a barrel receiving, heating and melting a glue stick producing molten glue; a mixture chamber producing a mixture of gas with air; a burner comprising an upper portion and a lower portion, with the lower portion exposed to and in communication with the upper portion, with the upper portion having a wall, with the lower portion having a sidewall, with the sidewall of the lower portion distinct and spaced from the barrel and defining a combustion chamber in the lower portion, with the combustion chamber exposed to and in communication with the barrel, with the mixture of gas with air receivable in the combustion chamber, with the combustion chamber burning the mixture of gas with air to generate heat, with the wall of the upper portion distinct and spaced from the barrel and defining a thermal chamber in the upper portion, with the thermal chamber intermediate the barrel and the upper portion, with the thermal chamber in thermal communication with the barrel and the combustion chamber, with the combustion chamber and the thermal chamber extending 360 degrees circumferentially around the barrel wall, with the heat flowing to the thermal chamber from the combustion chamber surrounding and transferring to the barrel, with the burner further comprising an exhaust port extending from the thermal chamber; and a dispenser dispensing the molten glue from the barrel, with the dispenser secured to the barrel.