B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/106, 327/18,
B23K 9/10 (2006.01) B23K 13/00 (2006.01) H03K 17/08 (2006.01) H02M 7/5383 (2006.01) H02M 7/5387 (2006.01)
Patent
CA 1208305
ABSTRACT OF THE DISCLOSURE High frequency welding apparatus which includes a transformer and four transistor switches. The switches and the primary winding of the transformer are connected in a self oscillating or free running bridge configuration the operation of which is load dependent. Component damage due to overload conditions is thereby prevented and the voltage rating of the components may be equal to the voltage supplied to the bridge.
431001
Bredenkamp Gordon L.
Van Rhyn Pierre
Anglo American Corporation Of South Africa Limited
G. Ronald Bell & Associates
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