Electric heating – Heating devices – Combined with diverse-type art device
Reexamination Certificate
2004-09-24
2008-10-07
Fuqua, Shawntina (Department: 3742)
Electric heating
Heating devices
Combined with diverse-type art device
C363S078000, C363S079000, C363S150000
Reexamination Certificate
active
07432473
ABSTRACT:
A portable electrofusion machine includes: a power supply circuit having a triac configured to have a proper regulation for dropping a commercial voltage to a voltage adapted for a fitting; and a printer unit integrated with the electrofusion unit, for printing information regarding a work result of the fitting. According to the above construction, since the electrofusion machine does not use a transformer occupying 40% of a total weight of the machine, the mobility and portability are enhanced. Also, since the size of the machine is reduced, it is advantageous to deal with the machine on the spot.
REFERENCES:
patent: 4978837 (1990-12-01), Eggleston
patent: 5788789 (1998-08-01), Cooper
Deason Mike T.
Lee Nam-Hoon
Fuqua Shawntina
Tuchman & Park LLC
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