F - Mech Eng,Light,Heat,Weapons – 24 – C
Patent
F - Mech Eng,Light,Heat,Weapons
24
C
327/2.23
F24C 7/02 (2006.01) H05B 6/76 (2006.01)
Patent
CA 1174288
ABSTRACT OF THE DISCLOSURE A microwave leakage-preventive device for use with a high frequency heating appliance for dielectric heating of an object by high frequency energy has a choke atten- uator installed in a door for attentuation of microwaves, the choke attentuator being of the type adapted to enter an oven cavity when the door is closed. A portion of the choke attentuator is received in a recess formed within the door body, so that the choke attentuator entering the oven cavity is made smaller by an amount corresponding to the dimension thereof received in the door body. The width of the recess formed within the door body is made larger than the width of the choke attentuator entering the oven cavity, thereby providing a small-thickness door which is superior in microwave leakage prevention. -9-
387173
Ikeda Nobuo
Yoshimura Hirofumi
Fetherstonhaugh & Co.
Matsushita Electric Industrial Co. Ltd.
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