RF welding device

Details RF welding device RF welding device

2006-03-14

2006-03-14

Leung, Philip H. (Department: 3742)

Electric heating

Capacitive dielectric heating

Bonding

C219S767000, C219S779000, C219S780000, C156S274400, C156S380400

Reexamination Certificate

active

07012232

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), Sutliff et al.
patent: 3783217 (1974-01-01), Brown
patent: 3947310 (1976-03-01), Parker
patent: 4055456 (1977-10-01), Carnegie, Jr.
patent: 4204468 (1980-05-01), Harrison
patent: 4221626 (1980-09-01), Clay
patent: 4323409 (1982-04-01), Alt
patent: 4574693 (1986-03-01), Fink et al.
patent: 5746122 (1998-05-01), Gietz et al.
patent: 5769999 (1998-06-01), Anderson et al.
patent: 5833915 (1998-11-01), Shah
patent: 5979308 (1999-11-01), Kagi et al.
patent: 6227106 (2001-05-01), Forehand
patent: 6245414 (2001-06-01), Biagiotti
patent: 6385997 (2002-05-01), Nelson et al.
patent: 6574946 (2003-06-01), Linner
patent: 2001/0008064 (2001-07-01), Todd et al.
patent: 2001/0013281 (2001-08-01), Dofel et al.
patent: 2002/0100257 (2002-08-01), Nakamura et al.
patent: 2002/0157242 (2002-10-01), Fukuda et al.
patent: 2002/0162464 (2002-11-01), Davis
patent: 2002/0197346 (2002-12-01), Papadopoulos
patent: 2003/0098128 (2003-05-01), Sawai
patent: 2003/0102591 (2003-06-01), Thielman et al.
patent: 2003/0110961 (2003-06-01), Bredahl et al.
patent: 1 180 480 (2002-02-01), None
patent: 2 077 193 (1981-12-01), None
patent: 2 104 442 (1983-03-01), None
patent: 2 255 311 (1992-04-01), None
patent: 9-49160 (1997-02-01), None

Affiliated with

Also associated with

Rating

RF welding device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with RF welding device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and RF welding device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3609994