Title:
ULTRASONIC WELDING METHOD AND DEVICE
Document Type and Number:
Japanese Patent JP2004106242
Kind Code:
A
Abstract:
To provide an ultrasonic welding method which securely ensures a sealed joining process and an ultrasonic welding device.
Both an upper case 21 and a lower case 22 are joined together by ultrasonic welding while pressing a member 25 with damping function from the side to the specified points P and Q of the lower case 22 to be welded by ultrasonic wave.
Inventors:
ARAI KAZUYA
Application Number:
JP2002269310A
Publication Date:
April 08, 2004
Filing Date:
September 13, 2002
Export Citation:
Assignee:
RICOH KK
International Classes:
B65B7/28; B29C65/08; B65B51/10; B65B51/22; B29L22/00; (IPC1-7): B29C65/08; B65B7/28; B65B51/10; B65B51/22