Electric heating – Heating devices – Combined with pressure application means
Reexamination Certificate
2006-02-14
2006-02-14
Van, Quang (Department: 3742)
Electric heating
Heating devices
Combined with pressure application means
C219S227000, C219S233000, C156S229000
Reexamination Certificate
active
06998577
ABSTRACT:
An electric heat sealer including a casing having a first pair of extensions extending outwardly therefrom, a press bar pivotally connected to said casing, the press bar having a second pair of extensions extending outwardly therefrom, at least one sealing mechanism mounted in the press bar or the casing and a source of current for energizing the heating wire. The press bar is normally biased above the casing and the at least one sealing mechanism includes a heating wire.
REFERENCES:
patent: 3867226 (1975-02-01), Guido et al.
patent: 5857577 (1999-01-01), Thomas et al.
patent: 6058998 (2000-05-01), Kristen
Chang Richard
Chou Shu Hui
Jeffer Mangels Butler & Marmaro LLP
Van Quang
Welcome Co., Ltd.
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