Filter and method and apparatus for manufacture thereof

Details Filter and method and apparatus for manufacture thereof Filter and method and apparatus for manufacture thereof

1997-10-31

1999-03-23

Sells, James

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

156 731, 156463, 156552, 156553, 156554, B32B 3116

Patent

active

058854096

ABSTRACT:
A filter and method and apparatus for manufacturing the filter. The filter includes a first filter layer and a second filter layer. The first and second filter layers are joined by a ribbon. The ribbon is attached to the first filter layer and the second filter layer through ultrasonic welding. The apparatus includes fist and second ultrasonic welders for attaching the first filter layer to one end of the ribbon and the second filter layer to the other end of the ribbon.

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