About 2 results
https://drivepatents.com/patents/1106845 · 6 Feb 2002
In the invention, an oscillating horn (4C) of an ultrasonic processing apparatus (4) is moved along a planned process line and along the side of a rear face (3b) of a resin skin (3) which is fixedly held so that the front face is closely in contact with a ...
https://drivepatents.com/patents/1107994 · 12 Dec 2001
In the invention, an ultrasonic processing apparatus (4) is moved along a planned groove process line and along the side of a rear face (3b) of a resin skin (3) which is fixedly held so that the front face is closely in contact with a flat face (1a) of a s...