Gas-burned glue gun

Dispensing – With illuminator or burner

Patent

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Details

2221462, 401 1, 401 2, 126401, 431254, B67D 562

Patent

active

059609966

ABSTRACT:
A gas-burned glue gun includes a gun body holding a heating unit and a melting unit, and a handle holding a fuel gas tank and a gas valve, the heating unit having a nozzle tube connected to the gas valve, an electronic igniter, a flame nozzle connected the nozzle tube, an ignition button, a wire electrode connected between the electronic igniter and the flame nozzle, a gas tube connected between the nozzle tube and the flame nozzle, a piston ring moved to close/open an air port on the gas tube, the melting unit having a heat conductive glue stick tube adapted to hold a glue stick, the heat conductive glue stick tube having a heat accumulating portion protected by a guard and disposed adjacent to the flame nozzle, and a catalyzer mounted in the heat accumulating portion, wherein when the ignition button is pressed on, the electronic igniter is triggered to produce sparks in igniting discharged fuel gas from the flame nozzle, and a flame is produced to heat the catalyzer, causing the catalyzer to produce a heating effect; when the ignition button is released, the piston ring is moved to close the air port of the gas tube, causing the flame to be extinguished.

REFERENCES:
patent: 4949881 (1990-08-01), Watanabe et al.
patent: 5479914 (1996-01-01), Tsai
patent: 5865614 (1999-02-01), Hsu

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