Electric heating – Capacitive dielectric heating – Bonding
Reexamination Certificate
2007-05-22
2007-05-22
Leung, Philip H. (Department: 3742)
Electric heating
Capacitive dielectric heating
Bonding
C219S767000, C219S779000, C156S274400, C156S380400
Reexamination Certificate
active
11338026
ABSTRACT:
An RF welder is disclosed that has circuitry that automatically affects system impedance so that, throughout the welding or embossing cycle, a generator is capable of sending energy through die and fabric at a predetermined frequency and cabling is capable of dissipating a load that is less than a preselected amount.
REFERENCES:
patent: 3431380 (1969-03-01), Butler et al.
patent: 3721920 (1973-03-01), Mann
patent: 3783217 (1974-01-01), Brown
patent: 7012232 (2006-03-01), Gruenspecht et al.
Gruenspecht Mark
Hopper Timothy
Gruenspecht Mark
Jordan and Hamburg LLP
Leung Philip H.
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