Ultrasonic fusing (ultra-fuse) process

Details Ultrasonic fusing (ultra-fuse) process Ultrasonic fusing (ultra-fuse) process

1993-11-24

1995-02-14

Moses, R. L.

Photocopying

Contact printing

Light boxes

430 33, 432 59, G03G 1520

Patent

active

053900138

ABSTRACT:
An ultrasonic fuser for fixing toner images to substrates utilizes an acoustic transducer or resonator in the form of an ultrasonic welding horn and a viscoelastic member. As toner images carried on a substrate are moved between the resonator and the viscoelastic member heat energy is created both in the toner particles forming the images and the viscoelastic member. The heat energy created in the viscoelastic member is transferred to the toner images through intimate contact therewith and together with the heat generated in the toner serves to elevate the toner to its fusing temperature.

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