Multilayer filter

Details Multilayer filter Multilayer filter

1997-10-31

1999-04-06

Smith, Duane S.

Gas separation

Two or more separators

55502, 55511, 55DIG5, B01D 4600

Patent

active

058912088

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 first 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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