Electric heating – Heating devices – Tool or instrument
Patent
1993-12-03
1997-06-24
Jeffery, John A.
Electric heating
Heating devices
Tool or instrument
219227, 219233, H05B 100, H05B 342
Patent
active
056414188
ABSTRACT:
A pen base electric heat sealer including a power supply unit attached with a taper socket at one end to hold dry battery cells and a electric heat seal unit, the electric heat seal unit being separated from the bottom wall of the battery chamber of the power supply unit, and a cap with a clip covered on the taper socket for fastening, whereby the electric heat seal unit is electrically connected to the power supply unit to produce heat for sealing as it is pressed on the workpiece to be sealed; the electric heat seal unit is electrically disconnectted from the power supply unit to stop from producing heat as it is released from the pressure.
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