07449084 is referenced by 36 patents and cites 12 patents.

An object of the present invention is to provide a welding system wherein the positional accuracy of welding and the quality of welding are improved. The present welding system includes an ultrasonic welder for welding a plurality of webs W together while carrying the webs W. The ultrasonic welder includes: an anvil roller 10 including a pair of anvils 11, 12; a first ultrasonic horn 21 and a second ultrasonic horn 22 that apply vibration energy to the webs W in cooperation with the pair of anvils 11, 12. The pair of anvils 11, 12 are provided symmetrically with each other with respect to an axis line O of the anvils roller 10. The first and second ultrasonic horns 21, 22 apply the vibration energy to the webs W simultaneously while each of the anvils 11, 12 faces the first or second ultrasonic horn 21, 22.

Web welding system
Application Number
Publication Number
7449084 (B2)
Application Date
January 11, 2005
Publication Date
November 11, 2008
Masaki Nakakado
Renner Otto Boiselle & Sklar
ZUIKO Corporation
B32B 37/00
View Original Source